County Dossier
Piatt County
Illinois | County
Population
16,695
Land Area
439.2 sq mi
Context
Metro
Geography
County silhouette
- Land Area
- 439.2 sq mi
- Water Area
- 0.3 sq mi
- Water Share
- 0.1%
Terrain Layer
Open the county terrain view inside the atlas flow.
Population & Housing
Population
16,695
- Density
- 38.0 / sq mi
- Households
- 6,924
- Housing Units
- 7,412
- Median Age
- 42.8 years
Income & Economy
Median Household Income
$94,811
GDP
$719.11M
Real GDP Change+3.7%
- Per Capita Income
- $46,739
- Personal Income
- $1.18B
- Personal Income Per Capita
- $70,960
Classification
RUCC 3
Metro
Counties in metro areas of fewer than 250,000 population
Relief
Min
621 ft
Mean
695 ft
Max
809 ft