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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, 2 cities (100%) meet this threshold. You've got plenty of choices. We ran the numbers on 2 cities in Kentucky using 2026 census, rent, and salary data. Louis…
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, 2 cities (100%) meet this threshold. You've got plenty of choices. We ran the numbers on 2 cities in Kentucky using 2026 census, rent, and salary data. Louisville comes out on top — here's the full ranking and analysis.
Louisville earns its position at #1 through a combination that's hard to replicate. The 94 cost index sits 18 points below the national baseline, and the $64,731 median income means purchasing power here is amplified by the low cost base. Homes list at $259,139 — $208,231 below the national median — a genuine ownership opportunity. On the cost side, Housing leads the way at 84, while Healthcare trails at 96.
Bottom line: Louisville 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. An outlier in the best sense.
#1 Ranked: Louisville — cost index 94, rent $1,352/mo, income $64,731
2 of 2 cities keep rent under 30% of $100K
2 of 2 cities keep rent under 30% of $100K gross income
Data sourced from Census Bureau, Zillow, BLS, and Tax Foundation — current as of 2026
622,981 residents · Kentucky
Louisville earns its position at #1 through a combination that's hard to replicate. The 94 cost index sits 18 points below the national baseline, and the $64,731 median income means purchasing power here is amplified by the low cost base. Homes list at $259,139 — $208,231 below the national median — a genuine ownership opportunity. On the cost side, Housing leads the way at 84, while Healthcare trails at 96. Hard to argue with that.
320,154 residents · Kentucky
A closer look at Lexington: the cost index of 98 breaks down to a Utilities index of 91 (strongest category) and a Healthcare index of 102 (weakest). Median rent is $1,487/month — 22% below the national median — while household income sits at $67,631, meaning locals spend about 26% of income on rent. That's within the recommended 30% threshold, though it doesn't leave much room.
| Rank | City | Median Rent | Rent % of Gross | Cost Index | |
|---|---|---|---|---|---|
| 1 | Louisville | $1,352 | 16% | 94 | Details |
| 2 | Lexington | $1,487 | 18% | 98 | Details |
| City | State Tax | Sales Tax | Property Tax | Est. Take-Home |
|---|---|---|---|---|
1Louisville | 4% | 6% | 0.78% | $71,297 |
2Lexington | 4% | 6% | 0.78% | $71,297 |
We calculate what percentage of a $100K gross salary goes to median rent. Cities where rent consumes less of your paycheck rank higher. We also factor in estimated take-home pay after federal taxes, FICA (7.65%), and state income tax. 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.
Louisville ranks #1 in Kentucky for this analysis with a cost index of 94 and median income of $64,731.
Yes. On a $100K salary in Louisville, rent would consume about 16% 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.
Louisville (ranked #1) has a cost index of 94 and rent of $1,352/mo, while Lexington (ranked #2) has a cost index of 98 and rent of $1,487/mo — a 4-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 Louisville is $1,352/month as of 2026, based on Zillow's Observed Rent Index. This is $543 below the national median of $1,895/month.
After federal taxes, FICA (7.65%), and 4% state income tax, estimated take-home on $100K in Louisville is approximately $71,297/year ($5,941/month). After median rent of $1,352/month, you'd have roughly $55,073/year for all other expenses.
The median home price in Louisville is $259,139, which is 4.0× the local median income. It's on the edge of affordability for median-income households. The national median home price is $467,370.
Kentucky has a 4% state income tax rate. Combined state and local sales tax averages 6%, and the effective property tax rate is 0.78%.
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.