Jefferson city, Oregon
Official LSAD Designation: Jefferson city • Census GEOID: 4137250
• Marion County
Jefferson city is an incorporated city in Marion County, Oregon. According to official records from the Census (2025), Jefferson city had an estimated population of 3,299 residents. Official Census Bureau geographic records classify this community under LSAD designation Jefferson city (GEOID 4137250).
Local Government Administration U.S. Census Bureau GMAF
City Of Jefferson
Municipal
Official Title:
City Planner
Address:
PO BOX 83, JEFFERSON OR 97352-0083
County Of Marion
County
Official Title:
Chair
Address:
PO BOX 14500, SALEM OR 97309-5036
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 3,299 | 2025 |
| Median Household Income | $102,159 | 2020-2024 |
| Median Home Value | $373,000 | 2020-2024 |
| Land Area | 0.86 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).