Grundy County
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- Population
- 53,219
- Area
- 418.13 sq mi (1,082.95 km²), 12.41 sq mi water
- Median age
- 38.3
- Households
- 20,595
- Persons per household
- 2.6
- Median household income
- $92,235
- Median house value
- $271,700
Demographics: 2020–2024 ACS
Tonight
65°F
Partly Cloudy1% precip
Saturday
87°F
Mostly Sunny9% precip
Saturday Night
62°F
Partly Cloudy6% precip
Sunday
79°F
Mostly Sunny then Chance Rain Showers26% precip
Cities & Towns in Grundy County
Aux Sable TownshipBracevilleBraceville TownshipBraidwoodCarbon HillChannahonCoal CityDiamondDwightEast BrooklynErienna TownshipFelix TownshipGardnerGarfield TownshipGodleyGoodfarm TownshipGoose Lake TownshipGreenfield TownshipHighland TownshipKinsmanMaine TownshipMazonMazon TownshipMinookaMorrisMorris TownshipNettle Creek TownshipNorman TownshipSaratoga TownshipSenecaSouth WilmingtonVeronaVienna TownshipWauponsee Township