Newcastle city, Wyoming
Official LSAD Designation: Newcastle city • Census GEOID: 5656215
• Weston County
Newcastle city is an incorporated city in Weston County, Wyoming. According to official records from the Census (2025), Newcastle city had an estimated population of 3,349 residents. Official Census Bureau geographic records classify this community under LSAD designation Newcastle city (GEOID 5656215).
Local Government Administration U.S. Census Bureau GMAF
City Of Newcastle
Municipal
Official Title:
Mayor
Address:
10 W WARWICK ST, NEWCASTLE WY 82701-2169
County Of Weston
County
Official Title:
Commissioner
Address:
1 W MAIN ST, NEWCASTLE WY 82701-2121
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,349 | 2025 |
| Median Household Income | $82,734 | 2020-2024 |
| Median Home Value | $178,900 | 2020-2024 |
| Land Area | 2.56 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).