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County ZIP codes · Oregon · FIPS 41001

Baker County, OR ZIP Codes

Baker County, Oregon has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 10 of the residential ones lie mainly in Baker County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $43,889 in 97834 (Halfway) to $64,852 in 97814 (Baker City) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Baker County?

97814 · Baker City: $65k97819 · Bridgeport: $55k97833 · Haines: $84k97834 · Halfway: $44k97837 · Hereford: –97840 · Oxbow: $86k97867 · North Powder: $84k97869 · Prairie City: $57k97870 · Richland: $57k97877 · Sumpter: $26k97884 · Unity: $46k97905 · Durkee: –97907 · Huntington: $37k9781497907978349786997877979059784097870978849783797833978679781997814 · Baker City: $65k97819 · Bridgeport: $55k97833 · Haines: $84k97834 · Halfway: $44k97837 · Hereford: –97840 · Oxbow: $86k97867 · North Powder: $84k97869 · Prairie City: $57k97870 · Richland: $57k97877 · Sumpter: $26k97884 · Unity: $46k97905 · Durkee: –97907 · Huntington: $37k9781497907978349786997877979059784097870978849783797833978679781997814 · Baker City: $65k97819 · Bridgeport: $55k97833 · Haines: $84k97834 · Halfway: $44k97837 · Hereford: –97840 · Oxbow: $86k97867 · North Powder: $84k97869 · Prairie City: $57k97870 · Richland: $57k97877 · Sumpter: $26k97884 · Unity: $46k97905 · Durkee: –97907 · Huntington: $37k9781497907978349786997877979059787097884978379783397867
The residential ZIP codes of Baker 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?

They carry 13 postal town names.

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

All 13 residential ZIP codes in Baker County

10 ZIP codes lie mainly in Baker County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Baker County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
97814 Baker City 12,590 15 $65k $294k 95%
97834 Halfway 1,395 5 $44k $366k 100%
97833 Haines 863 7 $84k $350k 100%
97907 Huntington 821 2 $37k $146k 74%
97870 Richland 585 6 $57k $210k 100%
97840 Oxbow 107 1 $86k – 100%
97884 Unity 84 1 $46k $417k 100%
97837 Hereford 78 1 – $92k 100%
97905 Durkee 63 0 – – 100%
97819 Bridgeport 17 0 $55k $117k 100%

Partly in Baker County

Residential ZIP codes mainly in another county that reach at least 1% into Baker County, by their share here
In this county
97877 Sumpter 314 2 $26k – 34%
97867 North Powder 947 6 $84k $152k 26%
97869 Prairie City 838 3 $57k $217k 8%

Download the 13 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 Baker County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Baker County and in the neighboring counties
ZIPIn BakerElsewhere
9781495%Union County5%
9786726%Union County74%
978698%Grant County92%
9790774%Malheur County26%
9787734%Grant County66%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Baker County's ZIP codes use 2 prefixes: 978 and 979.

Three-digit prefixes of Baker 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 Baker County's
PrefixSectional centerHereAll codes
978Portland, OR (SCF 970)1154
979Boise, ID (SCF 836)216

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