| Official Name: | Darrtown, Ohio |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Butler |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.10 |
| Area Land Km2: | 6.10 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 2.36 |
| Area Land Sq Mi: | 2.36 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 514 |
| Population Density Km2: | 84.23 |
| Population Density Sq Mi: | 218.17 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 751 |
| Coordinates: | 39.5008°N -84.6717°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 45056 |
| Blank Name: | FIPS code |
| Blank Info: | 39-20268[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2584361 |
Darrtown is a census-designated place (CDP) in Milford Township, Butler County, Ohio, United States. The population was 514 at the 2020 census.
Darrtown was laid out in 1814 by Conrad Darr, and named for him.[3] A post office called Darrtown was established in 1825, and remained in operation until 1907.[4]
Darrtown is located in northwestern Butler County, in the southwest part of Milford Township, in the valley of Four Mile Creek.
State Route 177 runs through the center of the community, leading 8miles southeast to the city of Hamilton. Oxford is 5miles to the west via Route 177 and Route 73.
According to the United States Census Bureau, the CDP has a total area of 6.1km2, all land.[5]