Grundy County
- Population
- 9,787
- Area
- 435.29 sq mi (1,127.4 km²), 2.75 sq mi water
- Median age
- 40.6
- Households
- 3,907
- Persons per household
- 2.4
- Median household income
- $51,975
- Median house value
- $112,500
Demographics: 2020–2024 ACS
Tonight
46°F
Clear1% precip
Saturday
70°F
Sunny2% precip
Saturday Night
51°F
Mostly Clear1% precip
Sunday
71°F
Sunny