County profile · IL
Cost of living in Grundy County, Illinois
Estimated housing, health insurance, state and local taxes, and groceries for a household of 2 earning $100,000 per year (married filing jointly), modeled as renters, ACA marketplace subsidies included.
$42,540/yr
Estimated annual cost
#2,707 of 3,222
National cost rank
$0/yr
ACA subsidy
Where the money goes
- Housing (2 BR rent): $16,608
- Healthcare (ACA Silver, after subsidy): $12,960
- State + local taxes: $4,956
- Groceries · family of 2: $8,016
| Housing (2 BR rent) | $16,608 |
| Healthcare (ACA Silver, after subsidy) | $12,960 |
| State + local taxes | $4,956 |
| Groceries · family of 2 | $8,016 |
| Total | $42,540 |
Grundy County, Illinois lands at #2707 of 3222 on modeled annual cost in our default household scenario (about $42,540 per year).
Estimated housing, health insurance, state and local taxes, and groceries for a household of 2 earning $100,000 per year (married filing jointly), modeled as renters, ACA marketplace subsidies included.
Housing starts from Census ACS 2023 county medians (Chicago-Naperville-Elgin, IL-IN); metro counties may be calibrated to recent market rent indexes. Health insurance uses the second-lowest Silver plan in ACA rating area 17-STATE, net of advance premium tax credits when enabled.
What’s specific to Illinois
State and local income tax on this page reflects IL brackets and any modeled local wage overlays from our committed tax tables—not federal income tax. Qualified retirement plan/IRA distributions generally taxed like ordinary income unless a specific exclusion applies. Groceries follow the USDA Moderate-Cost tier scaled by BEA state regional price parities, with household-size adjustments matching the homepage explorer.
Nearby counties to compare
-
Monroe, Illinois
$42,372/yr
Monroe County, IL: about the same modeled annual cost under the same defaults.
View profile → -
Loudon, Tennessee
$42,528/yr
Tennessee neighbor (Loudon County): about the same modeled annual cost; state tax rules differ from IL.
View profile → -
Ottawa, Michigan
$42,540/yr
Michigan neighbor (Ottawa County): about the same modeled annual cost; state tax rules differ from IL.
View profile →
How we calculated Grundy County's numbers
- Rent / housing: acs_b25031_zori_calibrated
- Home values (ZHVI): acs_proxy
- Income tax: 2026
- Health / ACA: 2026
- Groceries: SARPP LineCode 2 (Goods)
Dollar figures on this profile use the homepage default household unless your URL includes custom explorer parameters. Rank is among counties with complete modeled totals ( 3,222 U.S. counties in our artifact).