| Petersburg, Kentucky | |
| Settlement Type: | Census-designated place (CDP) |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kentucky |
| Subdivision Type2: | County |
| Subdivision Name2: | Boone |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 18.17 |
| Area Land Km2: | 16.26 |
| Area Water Km2: | 1.91 |
| Population As Of: | 2020 |
| Population Total: | 500 |
| Population Density Km2: | 30.75 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 522 |
| Coordinates: | 39.0531°N -84.8572°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 41080 |
| Blank Name: | FIPS code |
| Blank Info: | 21-60312 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2629662 |
| Area Total Sq Mi: | 7.01 |
| Area Land Sq Mi: | 6.28 |
| Area Water Sq Mi: | 0.74 |
| Population Density Sq Mi: | 79.64 |
Petersburg is a rural unincorporated community and census-designated place (CDP) in Boone County, Kentucky, United States. As of the 2020 census Petersburg, along with its surrounding areas that use the 41080 zip code, had a population of 500. It is located 25 miles away from Cincinnati, Ohio.
Archaeological evidence reveals an ancient Indian settlement was located at Petersburg town site.[2] The first white settlement at Petersburg was Tanner's Station, an outpost founded before 1790.[3] Tanner's station was the first settlement in Boone County, KY.[4] Tanner's Station was renamed Petersburg in 1814.
The Bullittsburg Baptist Church was founded outside the former hamlets of Utzinger and Gainesville/Idewild, east and north of Petersburg, in 1794.
Petersburg contains the Creation Museum, operated by Answers in Genesis.[5]
Petersburg has a public library, a branch of the Boone County Public Library.[6]