Residential delivery area · Georgia
ZIP Code 30040: Cumming, GA
ZIP code 30040 uses the postal name Cumming, Georgia and lies mostly in Forsyth County (98% of its land) with the rest in Cherokee County (Census 2020 ZIP-county file). About 83,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Cumming's 3 residential ZIP codes. Median household income is $137,211 (Census Bureau, ACS 2020-2024). By Census place, 10% of its land lies in Cumming; 90% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cumming · 3 residential ZIPs
- County
- Forsyth County (98%); Cherokee County (2%)
- Census places
- Cumming
- Metro area
- Atlanta-Sandy Springs-Roswell, GA
- House district
- GA-7 119th Congress
- State
- Georgia
- Time zone
- Eastern
- Land area
- 57.7 sq mi · 1,431 people per sq mi
Where is ZIP code 30040?
30040 centers on 34.223°, -84.176° and covers 57.7 square miles of land plus 0.5 of water. It borders 4 ZIP codes: 30028, 30041, 30004, 30115.
The map draws ZIP code areas only. For the streets inside 30040, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 30040 compare with the rest of Cumming?
| Measure | 30040 | In Cumming | In Forsyth County | In GA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 82,532 | 1st of 3 | 2nd of 10 | 4th of 751 |
| Median household income | $137k | 3rd of 3 | 6th of 10 | 12th of 476 |
| Median home value | $526k | 2nd of 3 | 6th of 10 | 28th of 474 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 82% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 30040?
The 2020 Census counted 81,191 people in 30040; the ACS, which samples households over 2020-2024, estimates 82,532. Between the 2010 and 2020 censuses its population grew 48.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 82,532
- 2020 Census count
- 81,191+48.6% since 2010 (54,653)
- Households
- 27,727
- Median age
- 39.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 30040?
Of the 82,532 people the ACS estimates in 30040, 25.2% are under 18 and 13.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (65.5%), then Asian (not Hispanic) (14.2%).
- Under 1825.2%
- 18 to 6461.4%
- 65 and older13.5%
- White, not Hispanic65.5%
- Asian, not Hispanic14.2%
- Hispanic or Latino11.3%
- Other or two or more5.6%
- Black, not Hispanic3.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 30040 earn?
Median household income is $137,211 (ACS 2020-2024), the 6th highest of the 10 ranked ZIP codes in Forsyth County. It rose from $124,148 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $137,211
- Income per person
- $55,882
- Below the poverty line
- 5.0%
- Unemployed (of the labor force)
- 3.4%
- Adults 25+ with a bachelor's degree
- 56.0%
- Adjusted gross income per tax return, 2022
- $128,72337,500 returns; wages 75% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 30040?
FHFA's house price index for 30040, built from repeat sales and appraisals of the same homes, rose 130% from 2015 to 2025 and rose 71% from 2020 to 2025, and moved +7.7% in 2025.
- Median home value (owners' estimate)
- $526,100
- Median gross rent
- $2,075
- Homes owned by their occupants
- 84.1%
- Housing units
- 28,538
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 30040?
2,515 business establishments had a location in this ZIP code in 2023, 480 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services604
- Construction285
- Health care and social assistance246
- Retail trade213
- Other services (except public administration)193
- Administrative and support and waste management and remediation services175
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 30040?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 30028 | Cumming | 38,433 | $138k | 4.8 mi |
| 30041 | Cumming | 77,664 | $153k | 4.9 mi |
| 30004 | Alpharetta | 68,707 | $156k | 8.5 mi |
| 30115 | Canton | 53,687 | $113k | 12.9 mi |
| 30005 | Alpharetta | 41,836 | $177k | 9.6 mi (near) |
| 30518 | Buford | 57,912 | $97k | 10.8 mi (near) |
| 30024 | Suwanee | 88,067 | $144k | 12.1 mi (near) |
| 30009 | Alpharetta | 21,095 | $127k | 12.4 mi (near) |
| 30107 | Ball Ground | 19,134 | $111k | 12.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.