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County ZIP codes · Oregon · FIPS 41031

Jefferson County, OR ZIP Codes

Jefferson County, Oregon has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Jefferson County and 4 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $70,983 in 97741 (Madras) to $102,734 in 97759 (Sisters) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Jefferson County?

97711 · Ashwood: –97730 · Camp Sherman: $94k97734 · Culver: $82k97741 · Madras: $71k97754 · Prineville: $77k97759 · Sisters: $103k97760 · Terrebonne: $88k97761 · Warm Springs: $57k977549775997741977619773497711977609773097711 · Ashwood: –97730 · Camp Sherman: $94k97734 · Culver: $82k97741 · Madras: $71k97754 · Prineville: $77k97759 · Sisters: $103k97760 · Terrebonne: $88k97761 · Warm Springs: $57k9775497759977419776197734977119776097711 · Ashwood: –97730 · Camp Sherman: $94k97734 · Culver: $82k97741 · Madras: $71k97754 · Prineville: $77k97759 · Sisters: $103k97760 · Terrebonne: $88k97761 · Warm Springs: $57k97754977599774197761977349771197760
The residential ZIP codes of Jefferson County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $77,199 and $87,603.

They carry 8 postal town names: Prineville, Madras, Terrebonne, Sisters, Culver, Warm Springs, Camp Sherman, Ashwood.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 8 residential ZIP codes in Jefferson County

4 ZIP codes lie mainly in Jefferson County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Jefferson County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
97741 Madras 13,663 38 $71k $335k 96%
97734 Culver 3,618 21 $82k $347k 100%
97730 Camp Sherman 319 12 $94k $659k 100%
97711 Ashwood 29 0 – – 100%

Partly in Jefferson County

Residential ZIP codes mainly in another county that reach at least 1% into Jefferson County, by their share here
In this county
97761 Warm Springs 2,955 8 $57k $240k 39%
97760 Terrebonne 8,702 95 $88k $487k 37%
97759 Sisters 7,737 14 $103k $778k 31%
97754 Prineville 22,960 17 $77k $444k 2%

Download the 8 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

5 ZIP codes of Jefferson County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Jefferson County and in the neighboring counties
ZIPIn JeffersonElsewhere
977542%Crook County 97%
9774196%Wasco County 4%
9776037%Deschutes County 46%; Crook County 17%
9775931%Linn County 42%; Deschutes County 27%
9776139%Wasco County 61%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Jefferson County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Jefferson County starts with 977.

Three-digit prefixes of Jefferson County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Jefferson County's
PrefixSectional centerHereAll codes
977 Eugene, OR (SCF 974) 8 33

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.