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County ZIP codes · Georgia · FIPS 13303

Washington County, GA ZIP Codes

Washington County, Georgia has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Washington County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $36,094 in 31089 (Tennille) to $57,308 in 31082 (Sandersville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Washington County?

30413 · Bartow: $69k30820 · Mitchell: $51k31018 · Davisboro: $48k31035 · Harrison: $42k31067 · Oconee: $59k31082 · Sandersville: $57k31089 · Tennille: $36k31094 · Warthen: $52k31096 · Wrightsville: $46k310823109630413310893101831094308203103530413 · Bartow: $69k30820 · Mitchell: $51k31018 · Davisboro: $48k31035 · Harrison: $42k31067 · Oconee: $59k31082 · Sandersville: $57k31089 · Tennille: $36k31094 · Warthen: $52k31096 · Wrightsville: $46k310823109630413310893101831094308203103530413 · Bartow: $69k30820 · Mitchell: $51k31018 · Davisboro: $48k31035 · Harrison: $42k31067 · Oconee: $59k31082 · Sandersville: $57k31089 · Tennille: $36k31094 · Warthen: $52k31096 · Wrightsville: $46k3108231096304133108931018310943082031035
The residential ZIP codes of Washington 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 9 postal town names.

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

All 9 residential ZIP codes in Washington County

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

Residential ZIP codes mainly in Washington County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
31082 Sandersville 10,236 45 $57k $121k 97%
31089 Tennille 4,239 27 $36k $99k 85%
31018 Davisboro 2,827 31 $48k – 100%
31035 Harrison 1,258 26 $42k $79k 100%
31094 Warthen 817 7 $52k $186k 100%
31067 Oconee 300 163 $59k – 100%

Partly in Washington County

Residential ZIP codes mainly in another county that reach at least 1% into Washington County, by their share here
In this county
30413 Bartow 1,362 10 $69k $122k 31%
30820 Mitchell 1,104 12 $51k $83k 16%
31096 Wrightsville 7,145 40 $46k $91k 7%

Download the 9 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 Washington County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Washington County and in the neighboring counties
ZIPIn WashingtonElsewhere
3108297%Baldwin County 3%
310967%Johnson County 89%; Laurens County 4%
3108985%Johnson County 15%
3041331%Jefferson County 55%; Johnson County 14%
3082016%Glascock County 54%; Warren County 17%; Hancock County 12%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Washington County's ZIP codes use 3 prefixes: 304, 308 and 310.

Three-digit prefixes of Washington 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 Washington County's
PrefixSectional centerHereAll codes
304 Macon, GA (SCF 310) 1 49
308 Augusta, GA (SCF 308) 1 25
310 Macon, GA (SCF 310) 7 92

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