Wondering how far your dollar stretches in Naperville compared to Rockford? Below we break down housing costs, rent, taxes, income, and quality of life using 2026 data so you can make an informed relocation or remote-work decision. Every number is computed from Census, BLS, and Zillow data specific to these two metro areas.
| Naperville | Metric | Rockford | Difference |
|---|---|---|---|
| 108 | Cost of Living Index | 83 | -23.1% |
| $485,000 | Median Home Price | $145,000 | -70.1% |
| $1,800 | Median Monthly Rent | $780 | -56.7% |
| $125,800 | Median Household Income | $51,000 | -59.5% |
| 2.2% | Property Tax Rate | 2.2% | +0.0% |
| 3.0% | Unemployment Rate | 5.6% | +86.7% |
| 32 min | Average Commute | 20 min | -37.5% |
| 39.8 | Median Age | 36.1 | -9.3% |
| 150,000 | Metro Population | 345,000 | +130.0% |
Data sourced from Census Bureau, BLS, Zillow, and ApartmentAdvisor (2024-2025). COL Index: 100 = national average.
Monthly mortgage assumes 6.5% interest, 30-year fixed, 20.0%down payment. PITI includes principal, interest, property tax, and homeowner's insurance.
Buying a home in Naperville costs $3,483/month (PITI) compared to $1,041/month in Rockford — a difference of $2,442/month or $29,304/year. The price-to-income ratio is 3.9x in Naperville versus 2.8x in Rockford, suggesting Rockford is relatively more affordable for homebuyers relative to local incomes. At a 15% savings rate, it takes 5.1 years to save a down payment in Naperville compared to 3.8 years in Rockford.
Estimated on each city's median household income, single filer, standard deduction, 2025 rates.
| Tax Category | Naperville | Rockford |
|---|---|---|
| Gross Income | $125,800 | $51,000 |
| State Income Tax | $6,086 | $2,383 |
| Federal Income Tax | $19,258 | $3,991 |
| FICA (SS + Medicare) | $9,624 | $3,902 |
| Property Tax (on median home) | $10,670/yr | $3,190/yr |
| State Sales Tax Rate | 6.3% | 6.3% |
| Total Tax Burden | $34,968 (27.8%) | $10,276 (20.1%) |
| Take-Home Pay | $90,832 | $40,724 |
On median household income, total taxes (federal + state + FICA) come to $34,968 in Naperville (27.8% effective) versus $10,276 in Rockford (20.1% effective). After taxes, take-home pay is $90,832 in Naperville and $40,724 in Rockford. Property taxes add $10,670/year on the median Naperville home versus $3,190/year in Rockford.
These figures adjust for cost of living using the formula: adjusted = salary × (COL_destination / COL_origin). If you earn $125,800 in Naperville (COL 108) and relocate to Rockford (COL 83), you would need $96,680 to maintain the same purchasing power. This means you can take a pay cut of $29,120 and still maintain your lifestyle in Rockford.
Beyond costs, quality of life matters. The average commute in Naperville is 32 minutes versus 20 minutes in Rockford, a difference of 12 minutes each way. Naperville's lower unemployment rate of 3.0% versus 5.6% suggests a stronger job market. Naperville skews slightly older with a median age of 39.8 vs 36.1 in Rockford.
Naperville is 23.1% more expensive than Rockford overall. Naperville has a cost of living index of 108 compared to 83 for Rockford (national average = 100). The biggest difference is housing: the median home costs $485,000 in Naperville vs $145,000 in Rockford.
The median home price in Naperville is $485,000, which is $340,000 more than Rockford's median of $145,000. Monthly rent follows a similar pattern: $1,800/month in Naperville vs $780/month in Rockford, a difference of $1,020/month or $12,240/year.
To maintain the same standard of living, a $125,800 salary in Naperville is equivalent to $96,680 in Rockford. This is based on the cost of living index ratio: Naperville's COL index of 108 vs Rockford's 83. Conversely, $51,000 in Rockford equals $66,361 in Naperville.
On a median household income, the combined federal, state, and FICA tax burden is $34,968 (27.8% effective rate) in Naperville vs $10,276 (20.1% effective rate) in Rockford. Property taxes on the median home are $10,670/year in Naperville (2.2% rate) vs $3,190/year in Rockford (2.2% rate). Sales tax rates are 6.3% in Illinois and 6.3% in Illinois.
Naperville median household income: $125,800/yr. Rockford median household income: $51,000/yr (Census ACS).
Median monthly rent: $1,800 in Naperville vs $780 in Rockford. Annualized that is $21,600 vs $9,360.
Rockford offers a lower cost of living (index 83 vs 108), which lets remote-workers keeping a coastal salary stretch further. Naperville typically wins on amenities and labor-market depth.
Naperville and Rockford numbers are pulled from Zillow ZHVI/ZORI (home values, rent), the U.S. Census Bureau ACS (income, demographics), and BEA RPP (cost-of-living index). Each value is timestamped on the page.
Source feeds (Zillow, Freddie Mac PMMS, Census ACS, BEA RPP) are refreshed on their native cadence. Page caches revalidate every 24 hours via Next.js ISR.
No. The Naperville vs Rockford cost-of-living page is educational reference using public data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for material decisions.
Home prices use Zillow Home Value Index (ZHVI)[1]; rents use Zillow Observed Rent Index (ZORI)[1]. Median household income comes from the Census ACS 5-year estimates[2].
COL indices use the BEA Regional Price Parity methodology[3], normalized so 100 = national average.
Property tax rates are effective rates from the Tax Foundation[4], expressed as % of owner-occupied home value. Mortgage estimates assume 6.5% fixed rate[5], 30-year term, 20.0% down, $1,800/yr homeowners insurance.
Federal tax calculations[6] assume single filer, standard deduction. State tax uses the top marginal rate times taxable income after the state standard deduction. FICA = 6.2% Social Security (up to wage base) + 1.45% Medicare.
Salary equivalence uses adjusted = salary × (COL_destination / COL_origin). This captures cost-of-living shift but not state income tax differences.
Unemployment figures are the most recent monthly MSA-level readings from the BLS LAUS series[7].
Last reviewed is computed from the maximum retrievedAt across every source this page consumes.
City data from Census Bureau[2], BLS[7], and Zillow[1] (2024-2025). Tax calculations use 2025 IRS rates[6], single filer, standard deduction. Mortgage estimates assume 6.5% PMMS rate[5], 30-year term, 20.0% down. COL Index: 100 = national average[3]. Last reviewed .