Niantic, Illinois
Niantic, Illinois | |
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Welcome sign | |
Location in Macon County, Illinois | |
| Coordinates: 39°51′15″N 89°09′55″W / 39.85417°N 89.16528°W | |
| Country | United States |
| State | Illinois |
| County | Macon |
| Township | Niantic |
| Area | |
• Total | 1.04 sq mi (2.69 km2) |
| • Land | 1.04 sq mi (2.69 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Elevation | 607 ft (185 m) |
| Population (2020) | |
• Total | 612 |
| • Density | 588.9/sq mi (227.38/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 62551 |
| Area code | 217 |
| FIPS code | 17-52961 |
| GNIS feature ID | 2399496 |
Niantic is a village in Macon County, Illinois, United States. Its population was 612 at the 2020 census, down from 707 in 2010. It is included in the Decatur, Illinois Metropolitan Statistical Area.