What Percentage of Income Should Go to Rent?

Where the 30% Rule Comes From

The idea that households should spend no more than 30% of gross income on housing traces back to a 1969 amendment to the US Housing Act. The original rule was 25%, set in the 1930s for public housing programs, and was raised to 30% as Congress updated affordability thresholds. By the 1980s, the 30% benchmark had become embedded across federal housing policy.

HUD uses this threshold in two key ways. First, it defines "cost burden" in federal reporting, a household paying more than 30% of income toward housing costs is officially burdened. Second, it informs Fair Market Rent calculations: FMRs are set so that a household at the local median income theoretically pays no more than 30% on a unit priced at FMR.

The rule is simple and communicable, which is why it has endured. But its simplicity is also its weakness. A household earning $20,000 and spending 30% on rent has $14,000 left, roughly $1,167 per month for food, healthcare, transportation, childcare, and everything else. A household earning $150,000 and spending the same 30% on rent still has $105,000 remaining, about $8,750 per month for other expenses. The flat 30% threshold treats these two situations identically, even though the real-world consequences are radically different.

Browse our county-level FMR data to see what 30% of median income would actually afford in your area, the gap between FMR and what households can realistically pay is often stark.

Two Levels of Rent Burden

HUD and the Census Bureau distinguish between two tiers of rent burden:

• Rent burdened (30–50% of income): The household is spending more on housing than the 30% policy threshold. They likely face tradeoffs, less savings, reduced spending on non-essentials, limited cushion for emergencies, but may be managing. Roughly 46% of US renters fall in this category or the next one.
• Severely rent burdened (50%+ of income): This is where real hardship begins. With more than half of income consumed by rent, a household has very little left for basic necessities. Approximately 10–12 million US renter households, or about 24% of renters, are in this category. At these levels, housing instability, food insecurity, and chronic stress become common.

54%

22%

24%

Not burdenedSpends ≤30% on rent

Rent burdened30–50% of income

Severely burdenedMore than 50%

About 46% of US renters are rent burdened (the amber + rose bands); roughly 24% are severely burdened. Source: U.S. Census Bureau, American Community Survey.

The divide between these tiers matters for policy. Households between 30% and 50% may benefit from modest assistance or moving to a more affordable area. Households above 50% often need more intensive intervention, rental subsidies, income support, or emergency assistance programs, to stabilize their situation.

Why the 30% Rule Fails in High-Cost Cities

In many major US metros, following the 30% rule literally is impossible for moderate-income renters. Consider San Francisco: the HUD Area Median Income (AMI) for a single person there is roughly $140,000 (FY2026). At 30% of that, a household could afford about $3,500 per month, right at the top of what market-rate studio apartments in San Francisco typically rent for ($2,500–$3,500). A single person earning $70,000, still a solidly middle-class income in most of the country but well below the local AMI, would need to spend roughly 43–60% of gross income to rent a typical studio.

The same dynamic plays out in New York City, Boston, Seattle, Los Angeles, Miami, and a growing list of secondary markets. In these places, the 30% rule doesn't describe reality, it describes an aspirational benchmark that most renters can't achieve without earning well above the local median income.

In the priciest metros, the 30% rule no longer describes reality, it describes an aspiration most renters can't reach without earning well above the local median.

This is one reason why comparing FMR data across metros is so revealing. Our metro pages show how the FMR ceiling varies across markets, and the most-expensive rankings make plain just how far the priciest metros sit above the national floor, helping you identify markets where a given income stretches further.

The Income Distribution Problem

Rent burden is not distributed evenly across the income spectrum. It falls most heavily on the lowest-income renters, and the data on this is striking.

According to Census Bureau American Community Survey data, the rent-burden rate falls sharply as income rises:

Under $15,000

82%

$15,000–$30,000

73%

$30,000–$45,000

58%

Above $75,000

13%

Source: U.S. Census Bureau, American Community Survey (rent ≥30% of household income). Tiers approximate published ACS bands.

This gradient explains why federal rental assistance programs, Section 8 vouchers, LIHTC-subsidized housing, emergency rental assistance, target households below 50% or 80% of AMI. The burden is concentrated at the bottom of the income distribution, where the consequences are most severe.

For deeper context on what typical households earn in different parts of the country, see the how FMR works guide for more on how AMI benchmarks are set at the county and metro level.

Rent Burden and the Rest of the Budget

Housing affordability doesn't exist in isolation. Rent is the largest line item in most household budgets, so when it crosses 30% - and especially 50% - it crowds out everything else: food, healthcare, transportation, childcare, and any cushion for emergencies. This is the most consequential downstream effect of rent burden.

The math is unforgiving at the bottom. A household that spends 50%+ of income on rent has, by definition, less than half left for all other needs. When an unexpected expense hits, a car repair, a medical bill, a missed shift, there is no slack to absorb it, which is why severe rent burden is so tightly correlated with eviction risk, doubling-up, and housing instability.

Because HUD's Fair Market Rent is set at the 40th percentile of local rents, comparing the FMR for your county against your own income is a quick way to gauge where you'd land on this spectrum. Use our county FMR pages to pull the local ceiling, and the rent affordability calculator to translate it into the income a household needs to stay under the 30% line.

Geographic Patterns: Where Burden Is Highest

Rent burden varies enormously by geography, and the patterns reveal something important: high rent burden doesn't perfectly track with high rents. It's the relationship between rents and local incomes that determines burden.

Some high-rent cities (like San Francisco and Boston) also have very high median incomes, which partially offsets the rent burden effect for higher-earning workers. The most rent-burdened places tend to be areas where rents are moderately high but incomes are low, coastal resort towns, low-wage Sun Belt metros, and areas with significant service-economy workforces but little high-wage industry.

State-level patterns from Census ACS data show:

• Highest burden: Florida, California, New York, Hawaii, and New Jersey consistently rank near the top, with 45–55% of renters spending over 30% of income. Florida's high burden despite its absence of an income tax reflects a mismatch between resort-driven rents and service-economy wages.
• Moderate burden: Most Southern and Great Lakes states fall in the middle, Texas, Georgia, Ohio, Pennsylvania, with 40–45% of renters burdened. These states have lower rents but also lower wages.
• Lowest burden: Northern Plains and Mountain West states, North Dakota, South Dakota, Wyoming, Montana, Utah, tend to have lower rent burden rates, reflecting both relatively affordable rents and strong energy-sector or tech-sector wages in some cases.

Browse our state pages to see median FMRs by state, and combine that with your income to estimate where you'd be on the affordability spectrum.

Practical Budgeting: Beyond the 30% Rule

Financial advisors have increasingly moved away from the 30% rule as a universal standard. More nuanced alternatives have emerged:

The 50/30/20 rule (popularized by Senator Elizabeth Warren's book "All Your Worth") allocates 50% of after-tax income to needs (including housing), 30% to wants, and 20% to savings and debt repayment. Under this framework, housing is one component of the 50% "needs" category, shared with food, transportation, insurance, and minimum debt payments. In practice, this means housing should consume well under 50% and probably closer to 25–30% of after-tax (not gross) income, depending on other obligations.

The post-housing budget test is a more practical alternative for high-cost cities: calculate how much money remains after paying rent, and ask whether that amount is enough to live on given your other obligations. If your take-home pay is $4,500/month and rent is $2,000 (44%), but your remaining $2,500 is enough for all other expenses and some savings, you may be in a sustainable position even though you're "rent burdened" by the 30% rule.

Income-adjusted thresholds are used by some housing counselors. Lower-income households should aim to spend less than 30% because every additional dollar of housing cost comes at a higher real cost to wellbeing. Higher-income households may be able to sustain 35–40% on housing if their remaining income is still ample for savings and other goals.

Whatever framework you use, the underlying principle is the same: housing costs should leave enough room for a financially stable life. The 30% rule is a useful starting point but not a hard ceiling, context always matters.

Tools and Data for Benchmarking Your Costs

If you want to assess your own rent burden or evaluate a potential move, several tools on this site can help:

• County and metro FMR pages - Look up the HUD Fair Market Rent for any US county or metro area. These are the government benchmarks for what "fair" rent looks like in each market. Find your area on our county or metro pages.
• State-level rankings - See how states compare on median two-bedroom FMR and year-over-year changes. Available on our state rankings page.
• Rent affordability calculator - Enter your income to see the rent you can afford under the 30% rule, and how it compares to the FMR where you live. Try the affordability calculator.
• Rent-burden rankings - See which counties carry the heaviest rent burden, where FMR is highest relative to local median income, on our rent-burden rankings.
• Cheapest and most expensive areas - Compare the most affordable and most expensive counties and metros nationwide to find markets where your income goes further.

Rent Burden Across Life Stages

Rent burden doesn't affect all age groups equally. Its distribution across the life course reveals important patterns about who is most vulnerable and when.

Young adults (18-34): This is the age group most likely to be renters, and many enter the rental market with entry-level wages that make the 30% affordability threshold impossible in expensive cities. Young renters often manage high burden by taking on roommates, living in smaller units, or accepting longer commutes. Burden at this stage, while stressful, is often transitional as incomes rise.

Working-age families (35-54): Rent burden for this group is particularly consequential because it affects not just the adults but their children. Families who can't afford adequate housing face tradeoffs that impact child wellbeing, educational access, and long-term outcomes. This is also the age group most likely to be on Section 8 waiting lists, which often stretch to 5-10 years.

Older renters (55+): Seniors and near-seniors on fixed incomes face some of the most acute rent burden. Unlike younger renters who can expect wage growth, a retiree living on Social Security has no mechanism to increase income when rents rise. Older renters who did not purchase homes, whether by choice, circumstance, or lack of opportunity, are particularly exposed to the interaction of rent inflation and fixed incomes. This group is growing rapidly as baby boomers who rented throughout their lives reach retirement age.

The age dimension also matters for housing policy. Programs designed for families with children (like many local affordable housing developments) may not serve single older adults. And while Social Security's COLA adjustments track inflation broadly, they may lag behind rent increases in high-demand markets. Understanding who is burdened, not just how many, helps target interventions more effectively.

Rent Burden and Housing Policy

Rent burden data is central to US housing policy debates. Every few years, HUD publishes a "Worst Case Housing Needs" report that tracks the number of very low-income renters who lack affordable housing, those in the worst-burden situations. As of the most recent report to Congress (covering 2023 data), roughly 8.5 million renter households with very low incomes (below 50% of AMI) had critical housing needs, meaning they either paid more than 50% of income on housing or lived in severely inadequate conditions, or both, essentially unchanged from the record 8.5 million reported for 2021.

The gap between the number of affordable units needed and the number available is often called the "affordable housing gap." According to the National Low Income Housing Coalition's 2026 Gap report, there are only 35 affordable and available rental homes for every 100 extremely low-income renter households, a nationwide shortage of 7.2 million rental homes. The shortfall is most severe in coastal states and has been growing for decades.

Policy responses fall into a few categories:

• Demand-side subsidies (Section 8/Housing Choice Vouchers): Give eligible households vouchers that cap their rent contribution at 30% of income. Effective but massively undersubscribed, most voucher waiting lists are measured in years. Read our Section 8 guide for details on how vouchers work.
• Supply-side incentives (Low Income Housing Tax Credit/LIHTC): Federal tax credits that incentivize developers to build affordable units. Since its creation in 1986, LIHTC has financed 3+ million affordable rental units, but demand still far outstrips supply.
• Zoning reform: Allowing denser development in more places is increasingly seen as the most scalable long-term response to housing unaffordability, because it doesn't require ongoing federal subsidy. States like Oregon, California, and Montana have passed significant upzoning legislation.
• Rent stabilization: Local rent control laws protect existing tenants from rapid increases but are controversial among economists for potentially reducing housing supply over time. The evidence on their net effects is mixed.

None of these approaches alone solves the rent burden problem, and the political challenges of housing policy are significant. But understanding the data, including FMR levels, income distributions, and burden rates, is a prerequisite for having productive policy conversations.

How to Use PlainRent Data to Assess Affordability

PlainRent publishes HUD Fair Market Rents for every US county, metro area, and state, updated annually when HUD releases new FMR schedules. You can use this data directly to benchmark your current rent or evaluate a potential relocation.

Step 1: Find your county or metro FMR. Use the county search or metro search to pull up the current FMR for your area. FMRs are published by bedroom size (efficiency through 4-bedroom), so find the row that matches your unit.

Step 2: Calculate the income needed to avoid burden. Multiply the FMR by 12 to get the annual cost, then divide by 0.30. That's the gross annual income needed to pay FMR without being rent burdened. For example: a two-bedroom FMR of $1,800/month × 12 = $21,600/year. $21,600 ÷ 0.30 = $72,000/year income needed to stay below the 30% threshold.

Step 3: Compare to local median income. If the income required to avoid burden significantly exceeds the local Area Median Income, that area has a structural affordability problem, rents are simply too high for what typical local workers earn. This is a more useful way to read FMR data than looking at the dollar figure alone.

Step 4: Consider the full cost picture. FMR covers rent but not utilities, transportation, childcare, healthcare, or other necessities. A city with a lower FMR but higher transportation or utility costs may not actually be cheaper to live in, so weigh the rent figure against the broader cost of living before deciding where to move.

For renters actively looking to relocate to a more affordable market, our cheapest states to rent guide highlights the states with the lowest median FMRs along with context on wages, job markets, and quality of life tradeoffs.

Frequently Asked Questions

What percentage of income should go to rent?

The traditional benchmark is 30% of gross income, a household is considered 'rent burdened' if it spends more than 30% and 'severely rent burdened' at more than 50%. However, this rule was established decades ago and doesn't account for wide variation in income levels, household sizes, or city costs. In high-cost cities like San Francisco or New York, many moderate-income households routinely spend 40–50% on rent.

What is severe rent burden?

Severe rent burden means spending more than 50% of gross household income on rent. At this level, a household has little remaining income for food, healthcare, transportation, or savings. According to the Census Bureau's American Community Survey, approximately 10–12 million US households are severely rent burdened. Severe burden is most common in coastal metros, among renters with incomes below $35,000/year, and in areas with low vacancy rates.

How does HUD define rent burden in Fair Market Rent calculations?

HUD uses the 30% affordability threshold as a core design principle for Fair Market Rents. FMRs are set so that a household paying FMR for a unit should spend no more than 30% of income on housing, provided their income is at or near the Area Median Income (AMI). In practice, many low-income households use FMR as a benchmark but still spend far more than 30% because their incomes fall well below AMI.

Which states have the highest rent burden rates?

States with the highest share of rent-burdened households typically include California, Florida, New York, New Jersey, and Hawaii, all high-cost states where rents are elevated relative to median incomes. According to Census ACS data, roughly 45–55% of renters in these states are rent burdened (spending over 30% of income). In contrast, Midwestern and Plains states like North Dakota, South Dakota, Kansas, and Iowa tend to have the lowest rent burden rates, with only 35–40% of renters overburdened.

Does rent burden affect children's school performance?

Research consistently links severe rent burden to worse educational outcomes for children. Families spending 50%+ of income on housing have less money for school supplies, extracurricular activities, nutritious food, and healthcare, all of which affect learning. Severe rent burden also increases the risk of frequent moves and school changes, which disrupts academic progress. Children in severely rent-burdened households are more likely to experience housing instability, homelessness, and school absenteeism.