| Official Name: | Unionville, Iowa |
| Settlement Type: | City |
| Mapsize: | 250x200px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Appanoose |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.95 |
| Area Land Km2: | 1.95 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.75 |
| Area Land Sq Mi: | 0.75 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 75 |
| Population Density Km2: | 38.53 |
| Population Density Sq Mi: | 99.73 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 948 |
| Coordinates: | 40.8181°N -92.6958°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 52594 |
| Area Code: | 641 |
| Blank Name: | FIPS code |
| Blank Info: | 19-79680 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2397089 |
Unionville is a city in Appanoose County, Iowa, United States. The population was 75 at the time of the 2020 census.[2]
Unionville claims to be the oldest settlement in Appanoose County; the first settles arrived in 1843 and the first school was built in 1846.[3] J. F. Stratton surveyed Unionville in 1848 on land "near the old dragoon trail, the Mormon trail".[4] Unionville was founded in 1849.[5] The city's name most likely commemorates the federal union.[6] Unionville was incorporated as a city in 1922.[7]
According to the United States Census Bureau, the city has a total area of 0.75sqmi, all land.[8]
As of the census[9] of 2010, there were 102 people, 49 households, and 29 families living in the city. The population density was 136PD/sqmi. There were 60 housing units at an average density of 80/sqmi. The racial makeup of the city was 100.0% White. Hispanic or Latino of any race were 3.9% of the population.
There were 49 households, of which 26.5% had children under the age of 18 living with them, 46.9% were married couples living together, 8.2% had a female householder with no husband present, 4.1% had a male householder with no wife present, and 40.8% were non-families. 36.7% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older. The average household size was 2.08 and the average family size was 2.66.
The median age in the city was 51.8 years. 17.6% of residents were under the age of 18; 7% were between the ages of 18 and 24; 18.6% were from 25 to 44; 40.2% were from 45 to 64; and 16.7% were 65 years of age or older. The gender makeup of the city was 49.0% male and 51.0% female.
As of the census[10] of 2000, there were 127 people, 50 households, and 38 families living in the city. The population density was 170.5sp=usNaNsp=us. There were 68 housing units at an average density of 91.3sp=usNaNsp=us. The racial makeup of the city was 100.00% White.
There were 50 households, out of which 38.0% had children under the age of 18 living with them, 64.0% were married couples living together, 8.0% had a female householder with no husband present, and 24.0% were non-families. 24.0% of all households were made up of individuals, and 12.0% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.00.
In the city, the population was spread out, with 26.8% under the age of 18, 5.5% from 18 to 24, 24.4% from 25 to 44, 18.9% from 45 to 64, and 24.4% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 89.6 males. For every 100 females age 18 and over, there were 86.0 males.
The median income for a household in the city was $33,333, and the median income for a family was $44,375. Males had a median income of $26,250 versus $19,375 for females. The per capita income for the city was $13,856. There were 9.1% of families and 11.3% of the population living below the poverty line, including 22.2% of under eighteens and none of those over 64.