| Arenzville | |
| Settlement Type: | Village |
| Nickname: | Home of the World's Best Burgoo |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 39.8806°N -90.3706°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Cass |
| Subdivision Type3: | Township |
| Leader Title: | Mayor |
| Leader Title1: | Village president |
| Leader Name1: | Ron Kershaw[1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Km2: | 1.99 |
| Area Total Sq Mi: | 0.77 |
| Area Land Km2: | 1.99 |
| Area Land Sq Mi: | 0.77 |
| Area Water Km2: | 0.00 |
| Area Water Sq Mi: | 0.00 |
| Elevation Ft: | 538 |
| Population As Of: | 2020 |
| Population Total: | 367 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Postal Code Type: | ZIP Code(s) |
| Postal Code: | 62611 |
| Area Code: | 217 |
| Blank Name: | FIPS code |
| Blank Info: | 17-01946 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2397981 |
| Blank2 Name Sec2: | Wikimedia Commons |
Arenzville is a village in Cass County, Illinois, United States. The population was 367 at the 2020 census.
According to the 2021 census gazetteer files, Arenzville has a total area of 0.77sqmi, all land.[3]
As of the 2020 census[4] there were 367 people, 151 households, and 107 families residing in the village. The population density was 477.86PD/sqmi. There were 174 housing units at an average density of 226.56/sqmi. The racial makeup of the village was 94.28% White, 0.27% African American, 0.27% Pacific Islander, 1.36% from other races, and 3.81% from two or more races. Hispanic or Latino of any race were 3.54% of the population.
There were 151 households, out of which 33.8% had children under the age of 18 living with them, 62.91% were married couples living together, 3.31% had a female householder with no husband present, and 29.14% were non-families. 23.84% of all households were made up of individuals, and 7.28% had someone living alone who was 65 years of age or older. The average household size was 3.19 and the average family size was 2.65.
The village's age distribution consisted of 30.3% under the age of 18, 3.8% from 18 to 24, 26.7% from 25 to 44, 21.1% from 45 to 64, and 18.5% who were 65 years of age or older. The median age was 37.7 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 97.9 males.
The median income for a household in the village was $81,250, and the median income for a family was $86,875. Males had a median income of $51,750 versus $33,214 for females. The per capita income for the village was $30,825. About 1.9% of families and 4.5% of the population were below the poverty line, including none of those under age 18 and 1.4% of those age 65 or over.