• county
  • FIPS 13135
  • Largest town: Peachtree Corners

Gwinnett County, Georgia

Gwinnett County had 1,003,869 residents in the Census Vintage 2024 estimate, on 431.1 square miles of land. It ranks 2nd of 159 in Georgia by population and 48th by land area.

Population
1,003,869
#2 of 159 in Georgia · #50 in US
Area
431.1 sq mi
#48 of 159 in Georgia · #2,356 in US
Density
2,328 / sq mi
#2 of 159 in Georgia · #58 in US
Median household income
$84,076
#14 of 159 in Georgia · #348 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Gwinnett County within Georgia. Pin: Atlanta.

Gwinnett County population, land area and income

Gwinnett County had 1,003,869 residents in the Census Vintage 2024 estimate, on 431.1 square miles of land. It ranks 2nd of 159 in Georgia by population and 48th by land area. That works out to 2,328.5 people per square mile, 24.2 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Georgia has 24,275 residents, so Gwinnett County is 41.4 times that size.

Its SAIPE 2023 median household income of $84,076 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

1,003,869

3144th1st

50th of 3,144 (US)

Land area

431 sq mi

3144th1st

2356th of 3,144 (US)

Density

2,328.5 / sq mi

3144th1st

58th of 3,144 (US)

Median household income

$84,076

3143rd1st

348th of 3,143 (US)

Rank within Georgia (159)

Population

1,003,869

159th1st

2nd of 159 (GA)

Land area

431 sq mi

159th1st

48th of 159 (GA)

Density

2,328.5 / sq mi

159th1st

2nd of 159 (GA)

Median household income

$84,076

159th1st

14th of 159 (GA)

How Gwinnett County's population changed since 2020

Gwinnett County gained 45,491 residents between the July 2020 and July 2024 estimates, a rise of 4.7%. That ranks 51st of 159 in Georgia for growth. The median Georgia county changed by +2.3%, and the state as a whole by +4.2%.

Since the April 2020 estimates base, Gwinnett County recorded 47,648 births and 23,430 deaths, a natural change of +24,218. Net international migration added +34,730 and net domestic migration, people moving to or from other US counties, came to -12,682. The largest single component was international migration, which added 34,730 people.

958.4k2020965.5k2021980.0k2022991.6k20231.00M2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
47,648
Deaths
23,430
Net international migration
+34,730
Net domestic migration
-12,682
Change, July 2023 to July 2024
+12,267

Where Gwinnett County is

The Census internal point of Gwinnett County is at 33.958800, -84.025700. It sits in UTM zone 16N. The map shades Georgia's 159 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Gwinnett County outlined. Dots are towns of 1,000+ people with residents in it.

Echols County: -0.6%Wilcox County: +1.3%Polk County: +3.9%Bacon County: -0.6%Webster County: -1.6%Sumter County: -1.9%Jenkins County: +2.0%Gilmer County: +6.1%Murray County: +3.3%Glascock County: +4.0%Fayette County: +4.7%Rockdale County: +4.3%Clay County: -0.5%Dodge County: -1.6%Lamar County: +11.5%Monroe County: +12.0%Jasper County: +17.4%Stephens County: +2.5%Laurens County: +1.5%Johnson County: -0.1%Heard County: +5.9%Bibb County: +0.0%Cook County: +4.3%Schley County: -0.8%Chattooga County: +1.5%Crawford County: +2.0%Dade County: -1.0%Miller County: -2.8%Turner County: +0.4%Cherokee County: +9.5%Lanier County: +5.4%Haralson County: +7.9%Morgan County: +8.6%Towns County: +5.0%Bulloch County: +6.9%Ben Hill County: -1.3%Colquitt County: +2.3%Irwin County: -5.1%Coffee County: +1.8%Gordon County: +5.3%Butts County: +6.2%Franklin County: +7.4%Tift County: +0.8%Atkinson County: +1.5%Marion County: +1.4%Clinch County: +2.2%Madison County: +8.2%Putnam County: +5.5%Greene County: +10.8%Warren County: -1.2%Newton County: +9.8%Union County: +11.3%Forsyth County: +10.7%Baldwin County: -0.3%Seminole County: +1.5%Berrien County: +2.9%Habersham County: +7.6%Burke County: -0.7%Henry County: +7.2%Charlton County: +3.9%Brantley County: +4.2%Liberty County: +5.0%Lowndes County: +3.1%Douglas County: +5.0%Telfair County: -11.7%Randolph County: -4.4%Dooly County: +0.2%Baker County: -4.1%Banks County: +12.0%Catoosa County: +1.4%Walker County: +2.4%Paulding County: +11.2%Twiggs County: -3.5%Candler County: +0.9%Fulton County: +2.0%Elbert County: +2.5%Cobb County: +2.8%Lee County: +2.6%Houston County: +6.4%DeKalb County: +0.7%Taylor County: -0.5%Richmond County: -0.1%Fannin County: +1.6%Decatur County: +0.2%Dougherty County: -3.2%Pulaski County: +3.1%Bartow County: +7.5%Screven County: +1.7%Quitman County: +4.5%Taliaferro County: +4.0%Tattnall County: -0.2%Pierce County: +4.7%Ware County: -0.0%Toombs County: +1.5%McDuffie County: +0.7%Dawson County: +24.7%Clayton County: -0.6%Appling County: +1.6%Clarke County: +1.1%Camden County: +7.6%Crisp County: -2.9%Evans County: +0.7%Upson County: +2.2%Walton County: +13.0%Hall County: +9.0%Montgomery County: -0.0%Whitfield County: +2.2%Jeff Davis County: +2.1%Lincoln County: +4.5%McIntosh County: +7.4%Meriwether County: +4.0%Muscogee County: -2.5%Oconee County: +6.5%Peach County: +4.2%Pike County: +9.1%Wilkinson County: -1.9%Bryan County: +13.5%Chatham County: +4.2%Effingham County: +12.2%Harris County: +5.8%Treutlen County: +0.4%Long County: +25.7%Wayne County: +6.6%Oglethorpe County: +8.8%Wilkes County: +0.2%Jackson County: +22.3%Calhoun County: -2.4%Emanuel County: +1.4%Gwinnett County: +4.7%Talbot County: +0.5%Lumpkin County: +7.1%Spalding County: +4.2%Bleckley County: +0.8%Washington County: -0.6%Macon County: -1.6%Thomas County: +0.6%Grady County: +0.2%Columbia County: +6.8%Pickens County: +9.7%Chattahoochee County: -9.8%Carroll County: +8.7%Coweta County: +7.8%Hancock County: -0.3%White County: +5.5%Jones County: +2.3%Floyd County: +2.8%Mitchell County: -6.2%Glynn County: +2.4%Early County: -3.3%Wheeler County: -5.0%Barrow County: +14.6%Brooks County: +0.4%Hart County: +8.4%Stewart County: -9.2%Terrell County: -4.8%Jefferson County: -4.2%Worth County: -2.3%Rabun County: +4.7%Troup County: +3.1%
Change 2020 to 2024
  1. < -0.6%
  2. < +1.5%
  3. < +4.0%
  4. < +7.2%
  5. ≥ +7.2%
no data

Orange pin: Gwinnett County internal point. Dark pin: Atlanta.

Internal point

Decimal
33.958800, -84.025700
DMS
33°57'31.68"N 84°01'32.52"W
UTM
16N 774849.5E 3761574.9N
Geohash
dnh1pyn27
Plus code
865QXX5F+GP

Towns in Gwinnett County

16 incorporated places of 1,000+ people have residents in Gwinnett County, 256,841 people together, or 26% of the county. Each figure counts only the part of the town inside Gwinnett County; towns marked "part" extend into another county. The largest is Peachtree Corners with 42,638.

  1. 01Peachtree Corners42,638
  2. 02Duluth33,157
  3. 03Lawrenceville31,877
  4. 04Sugar Hill28,598
  5. 05Suwanee23,062
  6. 06Snellville22,336
  7. 07Norcross18,902
  8. 08Lilburn16,210
  9. 09Buford (part)15,642
  10. 10Dacula8,018
  11. 11Grayson5,252
  12. 12Braselton (part)5,135
  13. 13Loganville (part)3,691
  14. 14Berkeley Lake2,030
  15. 15Auburn (part)287
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Gwinnett County

The Census 2024 county adjacency file lists 8 neighbors for Gwinnett County. The most populous is Fulton County, GA, with 1,090,354 residents. Distances run between Census internal points in a straight line.

Distance to Atlanta and the nearest big city

Atlanta is 25.3 miles SW of Gwinnett County's internal point in a straight line. The nearest place of 100,000 or more is Sandy Springs, GA (population 105,505), 19.8 miles away. The nearest place of 10,000 or more is Lawrenceville, GA (population 31,877), 2.0 miles away.

Gwinnett County FIPS code

The FIPS code of Gwinnett County is 13135: state code 13 for Georgia plus county code 135. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $84,076.

Questions people ask

What is the population of Gwinnett County, Georgia?

The Census Vintage 2024 estimate for July 1, 2024 is 1,003,869. That is up 45,491 people (4.7%) from the July 2020 estimate of 958,378.

What is the FIPS code of Gwinnett County?

13135. The first two digits (13) are Georgia; the last three (135) identify the county.

What is the largest town in Gwinnett County?

Peachtree Corners, with 42,638 residents inside Gwinnett County in 2024.

Which counties border Gwinnett County?

8 county-equivalents border it in the Census 2024 adjacency file: Fulton County, GA; DeKalb County, GA; Forsyth County, GA; Hall County, GA; Walton County, GA; Rockdale County, GA; Barrow County, GA; Jackson County, GA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.