Jefferson County OR United States
| County FIPS | 41031 |
| Largest City | Madras |
| State | Oregon |
| Latitude | 44.6294 |
| Longitude | -121.1761 |
| Population | 25,203 |
| Density | 14.15 people per square mile |
| Time Zone | America/Los Angeles |
Median household: $76,260
Median individual: $34,989
Mode: 62.0% White
Median house value: $369,954.0
Median: 41.5 years old
With at least college degree: 21.2%
With STEM degree: 50.3%
Never married: 30.5%
Unemployed: 8.1%
All data comes from the SimpleMaps US Counties Database, 2026.
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