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Crunching costs, sorting signals, rendering insights.
Crunching costs, sorting signals, rendering insights.
Rockford is a clear outlier at index 86. #1-ranked Rockford has a cost index 18 points lower than the top-5 average of 104. That's not a marginal lead — it's a category of its own (not adjusted for inflation, but still telling).
146,120 residents · Illinois
What does daily life actually cost in Rockford? Start with the 26% rent-to-income ratio — tight but manageable for most households. On the category level, Housing (index 66) is where the real savings show up, while Healthcare (index 89) is the line item most likely to surprise newcomers. Income at $53,328 and homes at $172,610 round out a profile that ranks #1 for clear reasons.
150,489 residents · Illinois
Dive into Joliet's numbers: cost index 97 (15 points below national average), rent $1,559/month, income $88,026, and a home price of $255,981. And broadly, the city's cost profile isn't flat — Utilities is the cheapest category at 89, while Healthcare runs 100. With 150,489 residents, it balances mid-size city convenience with manageable costs.
2,664,452 residents · Illinois
Chicago earns its position at #3 through a combination that's hard to replicate. The 111 cost index sits 1 points below the national baseline, and the $75,134 median income means purchasing power here is amplified by the low cost base. Homes list at $312,457 — $154,913 below the national median — a genuine ownership opportunity. On the cost side, Utilities leads the way at 102, while Housing trails at 127.
150,245 residents · Illinois
So, Naperville. Cost index of 122, rent at $2,157/month. It's higher than the national average. Median income is $150,937, which is above average. Not the most exciting stat, but it matters.
113,310 residents · Illinois
Look, Elgin earns its position at #5 through a combination that's hard to replicate. And more often than not, the 103 cost index sits 9 points below the national baseline, and the $88,316 median income means purchasing power here is genuinely above average. Homes list at $323,259 — $144,111 below the national median — a genuine ownership opportunity. On the cost side, Utilities leads the way at 94, while Healthcare trails at 106.
#1 Ranked: Rockford — cost index 86, rent $1,151/mo, income $53,328
Rockford is a clear outlier at index 86
Retiree-weighted scoring: healthcare index 89, state tax 4.95%, cost index 86 — protecting fixed retirement income
Data sourced from Census Bureau, Zillow, BLS, and Tax Foundation — current as of 2026
Rockford is a clear outlier at index 86. #1-ranked Rockford has a cost index 18 points lower than the top-5 average of 104. That's not a marginal lead — it's a category of its own (not adjusted for inflation, but still telling).
Frankly, the difference between a comfortable retirement and a tight one often comes down to location. In Illinois — known for Chicago's premium versus downstate bargains, we evaluated 5 cities on healthcare costs, tax burden, and cost of living. Rockford is the top pick for 2026.
Dive into Rockford's numbers: cost index 86 (26 points below national average), rent $1,151/month, income $53,328, and a home price of $172,610. The city's cost profile isn't flat — Housing is the cheapest category at 66, while Healthcare runs 89. With 146,120 residents, it balances mid-size city convenience with manageable costs.
But the numbers also reveal: State context matters: Illinois's 5 cities average a 104 cost index with $1,779/month median rent and $91,148 household income. Chicago's premium versus downstate bargains. We spotlight the top cities individually below, and #3 is the real story.
What to do with this data: use the ranking as a shortlist, then dig into the city profiles for trend lines and category breakdowns. And most of the time, the difference between #1 and #5 is often smaller than the difference between "good on paper" and "actually fits my life." Compare your top picks with our calculator to see real take-home numbers.
Our persona scoring model weights cost of living, income, rent, healthcare costs, tax burden, and population size differently based on what matters most to retirees. Each factor contributes 10-25 points to a 0-100 composite score. Cities with the highest composite rank first. 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.
Rockford ranks #1 in Illinois for this analysis with a cost index of 86 and median income of $53,328.
Rockford scores highest for retirees due to its below-average cost of living, median rent of $1,151/mo, and competitive median income of $53,328.
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.
Rockford (ranked #1) has a cost index of 86 and rent of $1,151/mo, while Elgin (ranked #5) has a cost index of 103 and rent of $1,736/mo — a 17-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 Rockford is $1,151/month as of 2026, based on Zillow's Observed Rent Index. This is $744 below the national median of $1,895/month.
The median home price in Rockford is $172,610, which is 3.2× the local median income. That's within the standard 3.5× affordability rule for most local earners. The national median home price is $467,370.
Illinois has a 4.95% state income tax rate. Combined state and local sales tax averages 8.83%, and the effective property tax rate is 1.73%.
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.