County ProfileGA
Gwinnett County
Population: 957,062 · 27 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
957,062
People
Median age
36
Housing
Total households
327,043
Income
Median household income
$87,890
Housing
Total housing units
340,962
Employment
Employment rate
65.6%
Education
Bachelor’s degree or higher
39%
Healthcare
Insured population
84.8%
County details
Local time 02:19:04(ET)| Name | Gwinnett |
|---|---|
| Total ZIP codes | 27total |
| ZIP codes (by type) | 18 Standard8 PO Box1 Unique |
| Area code | 470, 678, 770, 943 |
| Timezone | Eastern Time (ET) |
| Coordinates | 33.9587564, -84.0257351 |
| Land area | 431.1 sq miles(1,116.6 km²) |
Map of Gwinnett county, Georgia with ZIP codes
Cities and Communities in Gwinnett County
Compare the largest cities in Gwinnett County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Peachtree Corners | 42,243 | $82,139 | 1ZIPs |
| Duluth | 31,873 | $95,331 | 5ZIPs |
| Lawrenceville | 30,629 | $61,561 | 6ZIPs |
| Suwanee | 20,786 | $103,260 | 1ZIPs |
| Snellville | 20,573 | $89,896 | 2ZIPs |
| Norcross | 17,209 | $75,266 | 5ZIPs |
| Buford | 17,144 | $69,471 | 3ZIPs |
| Lilburn | 14,502 | $63,581 | 2ZIPs |
| Dacula | 6,882 | $100,821 | 1ZIPs |
| Grayson | 4,730 | $131,293 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Gwinnett County
Review the most populated postal areas across Gwinnett County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 30044 | Lawrenceville | $77,321 | 94,774 |
| 30043 | Lawrenceville | $94,096 | 88,453 |
| 30024 | Suwanee | $143,879 | 87,115 |
| 30096 | Duluth | $74,656 | 69,953 |
| 30047 | Lilburn | $88,652 | 69,172 |
| 30518 | Buford | $96,936 | 56,149 |
| 30093 | Norcross | $48,404 | 55,364 |
| 30519 | Buford | $102,553 | 54,608 |
| 30019 | Dacula | $116,583 | 50,761 |
| 30097 | Duluth | $124,890 | 50,308 |
| 30039 | Snellville | $93,701 | 48,933 |
| 30045 | Lawrenceville | $104,350 | 42,230 |
| 30046 | Lawrenceville | $67,268 | 40,227 |
| 30078 | Snellville | $98,257 | 38,350 |
| 30092 | Peachtree Corners | $79,309 | 35,988 |
| 30071 | Norcross | $64,515 | 25,629 |
| 30017 | Grayson | $99,917 | 24,642 |
| 30003 | Norcross | — | — |
| 30010 | Norcross | — | — |
| 30042 | Lawrenceville | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS