Allens Grove | |
|---|---|
| Location in Mason County | |
| Coordinates: 40°16′15″N89°39′47″W / 40.27083°N 89.66306°W | |
| Country | United States |
| State | Illinois |
| County | Mason |
| Settled | November 5, 1861 |
| Area | |
• Total | 35.77 sq mi (92.6 km2) |
| • Land | 35.72 sq mi (92.5 km2) |
| • Water | 0.04 sq mi (0.10 km2) |
| Elevation | 574 ft (175 m) |
| Population (2020) | |
• Total | 470 |
| • Density | 13/sq mi (5.1/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| FIPS code | 17-125-00844 |
Allens Grove Township is located in Mason County, Illinois. As of the 2020 census, its population was 470 and it contained 238 housing units. [1]
According to the 2010 census, the township has a total area of 35.77 square miles (92.6 km2), of which 35.72 square miles (92.5 km2) (or 99.86%) is land and 0.04 square miles (0.10 km2) (or 0.11%) is water. [2]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 2010 | 586 | [4] | — |
| 2016 (est.) | 545 | [5] | −7.0% |
| U.S. Decennial Census [6] | |||
| | This section needs expansion. You can help by adding missing information. (August 2025) |
[[Census data by ACS 2024]]
The town inhabits 395 people, 55% of whom are aged 18 to 64 years**, 29% of whom are aged under 18 years** and the remaining 15% are aged 65 and over** . For sex, female accounts for 59% and male accounts for the remaining 41%**.
White - 83%**
Two+ - 10%**
Hispanic* - 7%**
*Hispanic includes respondents of any race. Other categories are non-Hispanic.
**Margin of error is at least 10 percent of the total value.
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