Marengo County
- Population
- 18,851
- Area
- 0.98 sq mi (2.53 km²), 0.01 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
Overnight
71°F
Chance Rain Showers43% precip
Sunday
88°F
Mostly Sunny6% precip
Sunday Night
70°F
Mostly Clear5% precip
Monday
87°F
Mostly Sunny11% precip