Onalaska city, Texas
Official LSAD Designation: Onalaska city • Census GEOID: 4854048
• Polk County
Onalaska city is an incorporated city in Polk County, Texas. According to official records from the Census (2025), Onalaska city had an estimated population of 3,289 residents. Official Census Bureau geographic records classify this community under LSAD designation Onalaska city (GEOID 4854048).
Local Government Administration U.S. Census Bureau GMAF
City Of Onalaska
Municipal
Official Title:
City Secretary
Address:
PO BOX 880, ONALASKA TX 77360-0880
County Of Polk
County
Official Title:
Assistant To The County Judge
Address:
101 W CHURCH ST, STE 300, LIVINGSTON TX 77351-3246
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,289 | 2025 |
| Median Household Income | $51,912 | 2020-2024 |
| Median Home Value | $165,800 | 2020-2024 |
| Land Area | 5.44 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).