ZIP code · Cumming · Georgia · United States
ZIP code 30040 — Cumming
ZIP code 30040 serves Cumming, Georgia.
- Postal code
- 30040Single source Value from one source, not cross-checked.
- City
- Cumming
- County
- Forsyth FIPS 13117
- State
- Georgia
- Country
- United States
- Coordinates
- 34.2321, -84.1580 — precision precise (locality)
View on OpenStreetMap - Population
- 79,580 (ZCTA, ACS 5-year)
- Population density
- 1,380 / sq mi
- Land area
- 57.7 sq mi (149.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $133,028
- Per-capita income
- $53,052
- Median age
- 39.1
- Households
- 26,656
- Housing units
- 27,642
- Median home value
- $474,400
- Median gross rent
- $1,883 / month
- Congressional district
- GA-7 (119th Congress)
- USDA hardiness zone
- 8a (10 to 15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 30040 with another ZIP · ZIPs within 25 miles · distance from 30040
Map of ZIP code 30040
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 31°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 51 | 56 | 63 | 72 | 79 | 85 | 89 | 88 | 82 | 73 | 63 | 54 |
| Avg low °F | 31 | 33 | 40 | 46 | 56 | 64 | 67 | 67 | 60 | 49 | 39 | 34 |
| Precip in | 5.4 | 5.2 | 5.2 | 4.3 | 4.2 | 4.7 | 4.9 | 4.9 | 4.0 | 4.0 | 4.4 | 5.2 |
NOAA 1991–2020 climate normals from the nearest station: CUMMING 2N (1.7 mi) · NOAA NCEI
Places in ZIP 30040
- 19 schools
- 1 colleges & universities
- 5 hospitals & clinics
- 21 doctors & dentists
- 4 pharmacies
- 14 supermarkets
- 108 restaurants & cafés
- 5 bars & pubs
- 19 parks
- 69 playgrounds
- 18 gyms & sports centres
- 2 libraries
- 4 post offices
- 40 places of worship
- 17 banks
- 23 gas stations
- 3 EV charging stations
- 8 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page