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County ZIP codes · Georgia · FIPS 13117

Forsyth County, GA ZIP Codes

Forsyth County, Georgia has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Forsyth County and 7 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $95,341 in 30534 (Dawsonville) to $176,957 in 30005 (Alpharetta) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Forsyth County?

30004 · Alpharetta: $156k30005 · Alpharetta: $177k30024 · Suwanee: $144k30028 · Cumming: $138k30040 · Cumming: $137k30041 · Cumming: $153k30097 · Duluth: $125k30107 · Ball Ground: $111k30506 · Gainesville: $97k30534 · Dawsonville: $95k3053430506300413010730040300043002830024300973000530004 · Alpharetta: $156k30005 · Alpharetta: $177k30024 · Suwanee: $144k30028 · Cumming: $138k30040 · Cumming: $137k30041 · Cumming: $153k30097 · Duluth: $125k30107 · Ball Ground: $111k30506 · Gainesville: $97k30534 · Dawsonville: $95k3053430506300413010730040300043002830024300973000530004 · Alpharetta: $156k30005 · Alpharetta: $177k30024 · Suwanee: $144k30028 · Cumming: $138k30040 · Cumming: $137k30041 · Cumming: $153k30097 · Duluth: $125k30107 · Ball Ground: $111k30506 · Gainesville: $97k30534 · Dawsonville: $95k305343050630041301073000430028300243009730005
The residential ZIP codes of Forsyth 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 $110,811 and $143,879.

They carry 7 postal town names: Suwanee, Cumming, Alpharetta, Duluth, Gainesville, Dawsonville, Ball Ground.

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

All 10 residential ZIP codes in Forsyth County

3 ZIP codes lie mainly in Forsyth County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Forsyth County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
30040 Cumming 82,532 1,431 $137k $526k 98%
30041 Cumming 77,664 1,301 $153k $574k 100%
30028 Cumming 38,433 769 $138k $471k 93%

Partly in Forsyth County

Residential ZIP codes mainly in another county that reach at least 1% into Forsyth County, by their share here
In this county
30024 Suwanee 88,067 2,114 $144k $551k 32%
30005 Alpharetta 41,836 2,649 $177k $636k 30%
30506 Gainesville 45,612 454 $97k $391k 22%
30004 Alpharetta 68,707 1,186 $156k $658k 16%
30097 Duluth 46,876 1,992 $125k $625k 7%
30107 Ball Ground 19,134 177 $111k $388k 4%
30534 Dawsonville 34,365 161 $95k $386k 3%

Download the 10 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?

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

Share of each ZIP code's land in Forsyth County and in the neighboring counties
ZIPIn ForsythElsewhere
3002432%Gwinnett County 65%; Fulton County 3%
3004098%Cherokee County 2%
3000416%Fulton County 68%; Cherokee County 16%
300977%Fulton County 50%; Gwinnett County 43%
3050622%Hall County 78%
3000530%Fulton County 70%
3002893%Cherokee County 7%
305343%Dawson County 85%; Lumpkin County 10%; Pickens County 1%
301074%Cherokee County 80%; Pickens County 15%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Forsyth County's ZIP codes use 3 prefixes: 300, 301 and 305.

Three-digit prefixes of Forsyth 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 Forsyth County's
PrefixSectional centerHereAll codes
300 North Metro, GA (SCF 300) 7 89
301 Atlanta, GA (SCF 303) 1 77
305 North Metro, GA (SCF 300) 2 69

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