Monroe city, Ohio
Official LSAD Designation: Monroe city • Census GEOID: 3951310
• Butler County / Warren County
Monroe city is an incorporated city in Butler County, Warren County, Ohio. According to official records from the Census (2025), Monroe city had an estimated population of 15,880 residents. Official Census Bureau geographic records classify this community under LSAD designation Monroe city (GEOID 3951310).
Local Government Administration U.S. Census Bureau GMAF
City Of Monroe
Municipal
Official Title:
Planner
Address:
PO BOX 330, MONROE OH 45050-0330
County Of Butler
County
Official Title:
Assistant County Administrator
Address:
315 HIGH ST, FL 6, HAMILTON OH 45011-6056
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 15,880 | 2025 |
| Median Household Income | $105,250 | 2020-2024 |
| Median Home Value | $282,400 | 2020-2024 |
| Land Area | 15.78 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).