Rio Township, Knox County, Illinois
Rio Township | |
|---|---|
Location in Knox County | |
Knox County's location in Illinois | |
| Coordinates: 41°06′19″N 90°23′13″W / 41.10528°N 90.38694°W | |
| Country | United States |
| State | Illinois |
| County | Knox |
| Established | November 2, 1852 |
| Area | |
• Total | 36.16 sq mi (93.7 km2) |
| • Land | 36.16 sq mi (93.7 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 791 ft (241 m) |
| Population (2010) | |
• Estimate (2016) | 502 |
| • Density | 14.3/sq mi (5.5/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP codes | 61401, 61467, 61472, 61488 |
| FIPS code | 17-095-64161 |
Rio Township is one of twenty-one townships in Knox County, Illinois, USA. As of the 2010 census, its population was 518 and it contained 235 housing units.