St. John Township, Lake County, Indiana
St. John Township | |
|---|---|
| Coordinates: 41°28′36″N 87°27′45″W / 41.47667°N 87.46250°W | |
| Country | United States |
| State | Indiana |
| County | Lake |
| Founded | 1848 |
| Government | |
| • Type | Indiana township |
| Area | |
• Total | 39.37 sq mi (102.0 km2) |
| • Land | 39.2 sq mi (102 km2) |
| • Water | 0.17 sq mi (0.4 km2) |
| Elevation | 679 ft (207 m) |
| Population (2020) | |
• Total | 68,972 |
| • Density | 1,702.6/sq mi (657.4/km2) |
| FIPS code | 18-66870 |
| GNIS feature ID | 453819 |
| Website | www |
St. John Township is one of eleven townships in Lake County, Indiana. As of the 2010 census, its population was 66,741 and it contained 25,691 housing units.
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1890 | 1,686 | — | |
| 1900 | 1,765 | 4.7% | |
| 1910 | 1,766 | 0.1% | |
| 1920 | 1,788 | 1.2% | |
| 1930 | 2,105 | 17.7% | |
| 1940 | 3,468 | 64.8% | |
| 1950 | 5,799 | 67.2% | |
| 1960 | 12,282 | 111.8% | |
| 1970 | 16,829 | 37.0% | |
| 1980 | 33,718 | 100.4% | |
| 1990 | 41,782 | 23.9% | |
| 2000 | 53,701 | 28.5% | |
| 2010 | 66,741 | 24.3% | |
| 2020 | 68,972 | 3.3% | |
| Source: US Decennial Census | |||