- Inception
- 6 February 1818
- Population
- 21027, 20941, 20689, 20389, 20155, 20028, 19323
- Area
- 2546
- mean age
- 41.8
- native label
- Marengo County
- number of households
- 7499
- per capita income
- 27975
- vehicle registration plate code
- 48
- water as percent of area
- 0.6