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County ZIP codes · Georgia · FIPS 13051

Chatham County, GA ZIP Codes

Chatham County, Georgia has 22 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 7 for PO boxes or a single organization. 1 of the residential ones extends into a neighboring county. Median household income ranges from $37,109 in 31415 to $137,375 in 31411 (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Chatham County?

31302 · Bloomingdale: $69k31322 · Pooler: $91k31328 · Tybee Island: $110k31401 · Savannah: $53k31404 · Savannah: $53k31405 · Savannah: $66k31406 · Savannah: $67k31407 · Port Wentworth: $81k31408 · Savannah: $46k31409 · Savannah: –31410 · Savannah: $98k31411 · Savannah: $137k31415 · Savannah: $37k31419 · Savannah: $70k31421 · Savannah: –31419313023141131407313223140631405314103140831404313283140931415314013142131302 · Bloomingdale: $69k31322 · Pooler: $91k31328 · Tybee Island: $110k31401 · Savannah: $53k31404 · Savannah: $53k31405 · Savannah: $66k31406 · Savannah: $67k31407 · Port Wentworth: $81k31408 · Savannah: $46k31409 · Savannah: –31410 · Savannah: $98k31411 · Savannah: $137k31415 · Savannah: $37k31419 · Savannah: $70k31421 · Savannah: –31419313023141131407313223140631405314103140831404313283140931415314013142131302 · Bloomingdale: $69k31322 · Pooler: $91k31328 · Tybee Island: $110k31401 · Savannah: $53k31404 · Savannah: $53k31405 · Savannah: $66k31406 · Savannah: $67k31407 · Port Wentworth: $81k31408 · Savannah: $46k31409 · Savannah: –31410 · Savannah: $98k31411 · Savannah: $137k31415 · Savannah: $37k31419 · Savannah: $70k31421 · Savannah: –3141931302314113140731322314063140531410314043132831409
The residential ZIP codes of Chatham 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 $53,303 and $91,344.

They carry 5 postal town names: Savannah, Pooler, Port Wentworth, Bloomingdale, Tybee Island.

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

All 15 residential ZIP codes in Chatham County

Residential ZIP codes mainly in Chatham County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
31419 Savannah 57,077 783 $70k $257k 100%
31405 Savannah 40,764 1,305 $66k $338k 100%
31406 Savannah 34,904 1,332 $67k $283k 100%
31322 Pooler 30,145 1,022 $91k $312k 100%
31404 Savannah 30,062 2,192 $53k $216k 100%
31407 Port Wentworth 24,893 735 $81k $256k 100%
31410 Savannah 22,214 984 $98k $408k 100%
31401 Savannah 20,445 5,990 $53k $552k 100%
31408 Savannah 11,621 551 $46k $170k 100%
31415 Savannah 11,082 1,681 $37k $150k 100%
31411 Savannah 9,390 418 $137k $805k 100%
31302 Bloomingdale 8,899 212 $69k $237k 59%
31328 Tybee Island 3,353 365 $110k $620k 100%
31409 Savannah 444 66 – – 100%
31421 Savannah 16 10 – – 100%

Download the 22 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?

1 ZIP code of Chatham County extends into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Chatham County and in the neighboring counties
ZIPIn ChathamElsewhere
3130259%Effingham County 41%

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

PO Box and single-organization ZIP codes

ZIP codes in Chatham County without a residential area (GeoNames postal codes)
ZIPPostal name
31402Savannah
31403Savannah
31412Savannah
31414Savannah
31416Savannah
31418Savannah
31420Savannah

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Chatham County's ZIP codes use 2 prefixes: 313 and 314.

Three-digit prefixes of Chatham 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 Chatham County's
PrefixSectional centerHereAll codes
313 Jacksonville, FL (SCF 320) 3 27
314 Jacksonville, FL (SCF 320) 19 19

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