Newcastle city, Oklahoma
Official LSAD Designation: Newcastle city • Census GEOID: 4051150
• McClain County
Newcastle city is an incorporated city in McClain County, Oklahoma. According to official records from the Census (2025), Newcastle city had an estimated population of 15,198 residents. Official Census Bureau geographic records classify this community under LSAD designation Newcastle city (GEOID 4051150).
Local Government Administration U.S. Census Bureau GMAF
City Of Newcastle
Municipal
Official Title:
City Manager
Address:
PO BOX 179, NEWCASTLE OK 73065-0179
County Of Mcclain
County
Official Title:
County Clerk
Address:
PO BOX 629, PURCELL OK 73080-0629
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 15,198 | 2025 |
| Median Household Income | $93,398 | 2020-2024 |
| Median Home Value | $271,800 | 2020-2024 |
| Land Area | 60.08 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).