| Official Name: | Ulm, Arkansas |
| Settlement Type: | Town |
| Mapsize: | 250px |
| Named For: | Ulm, Germany |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name: | United States |
| Subdivision Name1: | Arkansas |
| Subdivision Name2: | Prairie |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.68 |
| Area Total Sq Mi: | 0.26 |
| Area Land Km2: | 0.68 |
| Area Land Sq Mi: | 0.26 |
| Area Water Km2: | 0.00 |
| Area Water Sq Mi: | 0.00 |
| Elevation Ft: | 210 |
| Population As Of: | 2020 |
| Population Total: | 175 |
| Population Density Km2: | 259.12 |
| Population Density Sq Mi: | 670.50 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Coordinates: | 34.5761°N -91.4617°W |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | 72170 |
| Area Code: | 870 |
| Blank Name: | FIPS code |
| Blank Info: | 05-70760 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2406773 |
Ulm is a town in Prairie County, Arkansas, United States. The population was 205 at the 2000 census.
According to the United States Census Bureau, the town has a total area of 0.7 km (0.3 mi2), all land.
As of the census[2] of 2000, there were 205 people, 85 households, and 60 families residing in the town. The population density was 304.4/km (797.4/mi2). There were 89 housing units at an average density of 132.2/km (346.2/mi2). The racial makeup of the town was 93.17% White, 3.90% Black or African American, 0.98% from other races, and 1.95% from two or more races. 0.98% of the population were Hispanic or Latino of any race.
There were 85 households, out of which 30.6% had children under the age of 18 living with them, 47.1% were married couples living together, 16.5% had a female householder with no husband present, and 29.4% were non-families. 28.2% of all households were made up of individuals, and 14.1% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 2.88.
In the town, the population was spread out, with 23.9% under the age of 18, 6.8% from 18 to 24, 25.9% from 25 to 44, 26.8% from 45 to 64, and 16.6% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 88.1 males. For every 100 females age 18 and over, there were 85.7 males.
The median income for a household in the town was $31,458, and the median income for a family was $32,083. Males had a median income of $30,536 versus $18,750 for females. The per capita income for the town was $13,428. About 4.4% of families and 5.2% of the population were below the poverty line, including none of those under the age of eighteen and 12.8% of those 65 or over.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Ulm has a humid subtropical climate, abbreviated "Cfa" on climate maps.[3]
Ulm is in the Hazen School District,[4] which operates Hazen High School.