Arnold city, Pennsylvania
Official LSAD Designation: Arnold city • Census GEOID: 4203088
• Westmoreland County
Arnold city is an incorporated city in Westmoreland County, Pennsylvania. According to official records from the Census (2025), Arnold city had an estimated population of 4,619 residents. Official Census Bureau geographic records classify this community under LSAD designation Arnold city (GEOID 4203088).
Local Government Administration U.S. Census Bureau GMAF
City Of Arnold
Municipal
Official Title:
Mayor
Address:
1829 5TH AVE, STE 1, ARNOLD PA 15068-4498
County Of Westmoreland
County
Official Title:
Financial Administration
Address:
2 N MAIN ST, STE 107, GREENSBURG PA 15601
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 4,619 | 2025 |
| Median Household Income | $45,417 | 2020-2024 |
| Median Home Value | $86,400 | 2020-2024 |
| Land Area | 0.73 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).