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Grundy County, Illinois

Grundy County, Illinois · ZIP 60407, 60410, 60416

  • Census data · ACS 2019-2023
Browse the 29 townsFind my townSponsor a town here
  • 53,835 (2024 estimate)Population
  • 20,518Households
  • $93,060Median household income
  • $259,200Median home value
  • 29Towns with a page
  • 14ZIP codes

Grundy County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020+40.0%
35k40k45k50k55k2000: 37,53520002010: 50,06320102020: 52,533202037,53552,533
Population of Grundy County at each census
CensusPopulation
200037,535
201050,063
202052,533

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.

Household income in Grundy County
Under $50k26%
$50k to $100k28%
$100k to $150k22.3%
$150k to $200k9.8%
$200k and over13.8%

Median household income $93,060 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.

Housing tenure in Grundy County
Owner occupied
15,555 units
Renter occupied
4,963 units
Vacancy rate
3.8%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Jobs by sector in Grundy County2023
Transportation and warehousing2,770
Health care and social assistance2,701
Retail trade2,363
Accommodation and food services1,965
Manufacturing1,869
Construction1,267
Administrative and support and waste management and remediation services807
Utilities755

17,169 employees in 1,202 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.

Grundy County compared with its state
Grundy County compared with its state, American Community Survey 2019-2023
MeasureGrundy CountyIllinois
Population52,92012,692,653
Median household income$93,060$81,702
Median age38.638.9
Median home value$259,200$250,500
Bachelor’s degree or higher24.2%37.2%
Foreign-born residents3.5%14.4%
Owner-occupied homes75.8%66.8%
Mean commute to work27.6 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Townships, towns and villages in Grundy County29 with a page · sort by any column

Type
Aux Sable TownshipTownship15,89429.1 sq mi
MorrisCity14,58712.7 sq mi
MinookaVillage12,9079.10 sq mi
Morris TownshipTownship7,3103.48 sq mi
Braceville TownshipTownship6,58117.9 sq mi
Saratoga TownshipTownship6,56236.0 sq mi
Coal CityVillage5,8105.77 sq mi
Felix TownshipTownship4,51510.9 sq mi
DiamondVillage2,7021.90 sq mi
Erienna TownshipTownship2,49220.8 sq mi
Wauponsee TownshipTownship2,35026.8 sq mi
SenecaVillage2,3105.96 sq mi
Goose Lake TownshipTownship1,78724.9 sq mi
Mazon TownshipTownship1,48135.1 sq mi
Garfield TownshipTownship1,45318.1 sq mi
GardnerVillage1,3662.91 sq mi
Greenfield TownshipTownship1,00617.3 sq mi
MazonVillage9820.60 sq mi
South WilmingtonVillage7150.49 sq mi
Vienna TownshipTownship67035.7 sq mi
Nettle Creek TownshipTownship47835.8 sq mi
Carbon HillVillage3830.18 sq mi
Goodfarm TownshipTownship34835.6 sq mi
Norman TownshipTownship33116.7 sq mi
Maine TownshipTownship31517.9 sq mi
Highland TownshipTownship26236.0 sq mi
VeronaVillage2070.17 sq mi
KinsmanVillage870.07 sq mi
East BrooklynVillage790.05 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across Grundy County

Jobs across Grundy County

No job is posted in Grundy County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

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Events in the next 31 days

No upcoming event is listed in Grundy County's towns yet. Members and businesses add events from any town page.

Latest postsRolled up from the towns

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026.