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Crunching costs, sorting signals, rendering insights.
Crunching costs, sorting signals, rendering insights.
The 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $100K salary, 5 cities (100%) meet this threshold. You've got plenty of choices. We ran the numbers on 5 cities in Alabama using 2026 census, rent, and salary data. Mobile…
#1 Ranked: Mobile — cost index 74, rent $1,264/mo, income $51,090
5 of 5 cities keep rent under 30% of $100K
5 of 5 cities keep rent under 30% of $100K gross income
Data sourced from Census Bureau, Zillow, BLS, and Tax Foundation — current as of 2026
| Rank | City | Median Rent | Rent % of Gross | Cost Index | |
|---|---|---|---|---|---|
| 1 | Mobile | $1,264 | 15% | 74 | Details |
| 2 | Birmingham | $1,309 | 16% | 76 | Details |
| 3 | Montgomery | $1,317 | 16% | 77 | Details |
| 4 | Huntsville | $1,320 | 16% | 77 | Details |
| 5 | Tuscaloosa | $1,490 | 18% | 87 | Details |
The 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $100K salary, 5 cities (100%) meet this threshold. You've got plenty of choices. We ran the numbers on 5 cities in Alabama using 2026 census, rent, and salary data. Mobile comes out on top — here's the full ranking and analysis.
Dive into Mobile's numbers: cost index 74 (37 points below national average), rent $1,264/month, income $51,090, and a home price of $191,840. The city's cost profile isn't flat — Housing is the cheapest category at 74, while Healthcare runs 95. With 182,595 residents, it balances mid-size city convenience with manageable costs.
Bottom line: Mobile leads this ranking for clear, data-backed reasons — but the "best" city depends on your priorities. Click into any city below to see the full detail page with 12-month trend charts, profession-specific salary data, and a breakdown of all five cost categories. If you're seriously considering a move, use our salary calculator to model your specific income against these numbers (that's pre-tax, of course).
The 30% rule — spending no more than 30% of gross income on housing — is the most widely cited benchmark for affordability. On a $100K salary, 5 cities (100%) meet this threshold. You've got plenty of choices.
Rent in #1-ranked Mobile has increased from $1,227 to $1,264/mo over the past 12 months — a 3% increase. Rising costs may erode its top ranking over time.
182,595 residents · Alabama
Dive into Mobile's numbers: cost index 74 — which, honestly, is lower than you'd expect here — (37 points below national average), rent $1,264/month, income $51,090, and a home price of $191,840. The city's cost profile isn't flat — Housing is the cheapest category at 74, while Healthcare runs 95. With 182,595 residents, it balances mid-size city convenience with manageable costs.
196,644 residents · Alabama
A closer look at Birmingham: the cost index of 76 breaks down to a Housing index of 76 (strongest category) and a Healthcare index of 95 (weakest). And most of the time, median rent is $1,309/month — 31% below the national median — while household income sits at $44,376, meaning locals spend about 35% of income on rent. That exceeds the recommended 30% threshold — affordability here depends on earning above the median.
195,287 residents · Alabama
A closer look at Montgomery: the cost index of 77 breaks down to a Housing index of 77 (strongest category) and a Healthcare index of 95 (weakest). Median rent is $1,317/month — 31% below the national median — while household income sits at $55,687, meaning locals spend about 28% of income on rent. That's within the recommended 30% threshold, though it doesn't leave much room (and that gap widens if you factor in state taxes).
225,564 residents · Alabama
The #4 spot goes to Huntsville, and the breakdown explains why. Renters here pay $1,320/month — saving renters $6,900 per year compared to the national average. Meanwhile, Housing is the standout at index 77, making it one of the cheapest in the country for that category. The weak spot? Healthcare at 95. At a 22% rent-to-income ratio, there's genuine breathing room in the average household budget.
111,338 residents · Alabama
Why Tuscaloosa ranks #5: the numbers tell a clear story. At 87 on the cost index, residents save roughly 24% less than the typical American. Rent sits at $1,490/month while the median household pulls in $48,536/year. The Housing category is particularly strong at 87, though Healthcare (97) lags behind. Home prices average $227,726 — $239,644 below the national median.
| City | State Tax | Sales Tax | Property Tax | Est. Take-Home |
|---|---|---|---|---|
1Mobile | 5% | 9.28% | 0.37% | $70,297 |
2Birmingham | 5% | 9.28% | 0.37% | $70,297 |
3Montgomery | 5% | 9.28% | 0.37% | $70,297 |
4Huntsville | 5% | 9.28% | 0.37% | $70,297 |
5Tuscaloosa | 5% | 9.28% | 0.37% | $70,297 |
We model what a $100K salary looks like after taxes in each city: federal income tax (marginal brackets), FICA (7.65%), and state income tax. Then we compare take-home against local rent and costs to determine where the salary stretches furthest. All data is sourced from federal agencies and verified research institutions. Cost of living indices are normalized to 100 (national median) using Zillow rent as the primary signal, with sub-category adjustments derived from regional BLS price data. Rankings are updated monthly as new data is released.
Mobile ranks #1 in Alabama for this analysis with a cost index of 74 and median income of $51,090.
Yes. On a $100K salary in Mobile, rent would consume about 15% of your gross monthly income. Financial experts recommend keeping rent under 30%. You're well within that guideline.
Our cost of living index uses real Zillow rent data as the foundation, indexed to 100 (national median). Sub-categories (housing, food, transport, utilities, healthcare) are derived from the overall index with regional adjustments. Data is updated monthly.
Mobile (ranked #1) has a cost index of 74 and rent of $1,264/mo, while Tuscaloosa (ranked #5) has a cost index of 87 and rent of $1,490/mo — a 13-point difference in cost of living.
City data is refreshed monthly from Census Bureau population estimates, Zillow rent and home price indices, BLS salary data, and Tax Foundation tax rates. Last updated: 2026.
The median 1-bedroom rent in Mobile is $1,264/month as of 2026, based on Zillow's Observed Rent Index. This is $631 below the national median of $1,895/month.
After federal taxes, FICA (7.65%), and 5% state income tax, estimated take-home on $100K in Mobile is approximately $70,297/year ($5,858/month). After median rent of $1,264/month, you'd have roughly $55,129/year for all other expenses.
The median home price in Mobile is $191,840, which is 3.8× the local median income. It's on the edge of affordability for median-income households. The national median home price is $467,370.
Alabama has a 5% state income tax rate. Combined state and local sales tax averages 9.28%, and the effective property tax rate is 0.37%.
This ranking was generated using data current as of early 2026. Population and income data comes from the Census Bureau's American Community Survey (5-year estimates). Rent and home price data is from Zillow's monthly releases. Tax rates are from the Tax Foundation's 2025 edition. Rankings are refreshed monthly.