Marengo County
- Population
- 18,851
- Area
- 976.9 sq mi (2,530.16 km²), 5.77 sq mi water
- Median age
- 41.4
- Households
- 7,898
- Persons per household
- 2.4
- Median household income
- $43,825
- Median house value
- $107,400
Demographics: 2020–2024 ACS
This Afternoon
95°F
Slight Chance Showers And Thunderstorms20% precip
Tonight
72°F
Slight Chance Showers And Thunderstorms then Mostly Clear20% precip
Tuesday
95°F
Sunny
Tuesday Night
74°F
Mostly Clear