Jefferson County, OR: Cities, ZIP Codes & Population
Jefferson County is a county-level area in Oregon identified by the FIPS code 41031. Our data lists 6 places in it, led by Madras, OR, with combined estimates of about 19,275 people across those places. This page shows its cities, ZIP codes, time zone and neighboring counties.
What are the key facts about Jefferson County?
| County | Jefferson County |
|---|---|
| State | Oregon |
| FIPS code | 41031 |
| Places in our data | 6 |
| Places with a city page | 1 |
| Combined place estimates | 19,275 |
| Largest place | Madras, OR (9,340) |
| Rank in state | 24th of 36 counties by combined place population |
| Weighted density | 881 per sq mi |
| Time zone | Pacific time |
| ZIP codes | 5 |
Which cities and towns are in Jefferson County?
Jefferson County has 1 place large enough for a full page on this site. They are ranked below by estimated population, together with whether each is incorporated, its density in people per square mile and the number of ZIP codes it uses. Madras, OR is the largest.
| Place | Type | Population | Per sq mi | ZIPs |
|---|---|---|---|---|
| Madras, OR | Incorporated | 9,340 | 1,129 | 1 |
The county also contains 5 smaller communities that appear here but do not have separate pages because their populations are too small for reliable data: Crooked River Ranch, Warm Springs, Culver, Metolius, Camp Sherman. Residents of these places often depend on the county for services such as roads, courts and public health.
How large is Jefferson County compared with other counties in Oregon?
Adding up the estimates for the places in our data gives 19,275 people, which ranks Jefferson County 24th among 36 counties in Oregon. The average listed place has about 3,212 residents. The weighted density is about 881 people per square mile, which is small-town or exurban by our scale. These totals add up place estimates, so they can differ from the official county population, which includes people outside any listed place. See why population figures differ.
What ZIP codes are in Jefferson County?
The places in Jefferson County use 5 ZIP codes: 97730, 97734, 97741, 97760, 97761. Every code begins with 9, which is assigned to the Pacific states (Alaska, California, Hawaii, Oregon and Washington). A ZIP code can cross county lines, so a code listed here may also serve addresses in a neighboring county. Use the ZIP code lookup to check a single code, or read how ZIP codes work.
Which counties are near Jefferson County?
The closest counties by distance between the average locations of their places are listed below. The distance is a rough guide to how close the areas are, because county shapes vary widely.
- Crook County, OR — about 28 miles southeast (center to center), 12,650 people in listed places
- Deschutes County, OR — about 33 miles south (center to center), 165,712 people in listed places
- Wasco County, OR — about 53 miles north (center to center), 25,128 people in listed places
- Wheeler County, OR — about 63 miles east (center to center), 707 people in listed places
- Sherman County, OR — about 72 miles north (center to center), 1,158 people in listed places
- Hood River County, OR — about 74 miles north (center to center), 20,228 people in listed places
What does the FIPS code 41031 mean?
The first two digits, 41, identify Oregon, and the last three, 031, identify Jefferson County inside that state. Government datasets use this code to join records without confusing counties that share a name. Our guide to counties and FIPS codes explains the numbering, and the Oregon hub lists every county we cover in the state.
Where to go next
Combined place populations are estimates from a compiled dataset and are not official county totals.