| Official Name: | Bolan, Iowa |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Iowa |
| Pushpin Label: | Bolan |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Worth |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 7.49 |
| Area Land Km2: | 7.49 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 2.89 |
| Area Land Sq Mi: | 2.89 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 32 |
| Population Density Km2: | 4.27 |
| Population Density Sq Mi: | 11.07 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1227 |
| Coordinates: | 43.3719°N -93.1194°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 50448[2] |
| Area Code: | 641 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 454738 |
Bolan is an unincorporated community and census-designated place in Worth County, Iowa, United States. As of the 2010 Census the population was 33. It lies at 43.3719°N -93.1194°W (43.3719061, −93.1193681),[3] at an altitude of 1,227 feet (374 m).[4] The community is part of the Mason City Micropolitan Statistical Area.
Bolan's claim to fame was in 1989 when all the town's residents appeared on Late Night with David Letterman.
Bolan got its start in the year 1886, following construction of the railroad through that territory. Bolan was platted the next year.[5]
Bolan's population was 50 in 1902,[6] and 57 in 1925.[7] The population was 24 in 1940.[8]
According to the United States Census Bureau, the city has a total area of 2.89 square miles (7.49 km2), all land.
As of the census[9] of 2010, there were 33 people, 11 households, and 9 families residing in the town. The population density was 11.4sp=usNaNsp=us. There were 13 housing units at an average density of 4.5sp=usNaNsp=us. The racial makeup of the town was 100.0% White.
There were 11 households, out of which 45.5% had children under the age of 18 living with them, 54.5% were married couples living together, 27.3% had a female householder with no husband present, and 18.2% were non-families. 18.2% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 3.00 and the average family size was 3.44.
In the city the population was spread out, with 39.4% under the age of 18, 3% from 18 to 24, 30.3% from 25 to 44, 12.2% from 45 to 64, and 15.2% who were 65 years of age or older. The median age was 28.3 years. The gender makeup of the city was 48.5% male and 51.5% female.