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County · code 13135

Gwinnett CountyGeorgia

Gwinnett County is a county in Georgia, with its seat at Lawrenceville, formed on December 15, 1818. The county was named after Button Gwinnett.

  • Founded1818
  • County seatLawrenceville
  • Named forButton Gwinnett
  • Land area431 sq mi + 6 sq mi water
  • Population957,062 2020 Census
  • Parcels mapped309,705 checked 14 October 2026
Open the free map Click any parcel in Gwinnett County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

DeKalbForsythRockdaleBarrowWaltonHallFultonJackson Lawrenceville Census outline · seat marked

Where it is

Gwinnett on the map of Georgia

Georgia has 159 counties and county equivalents, each with its own records office. Shapes with a page are links.

Appling CountyAtkinson CountyBacon CountyBaker CountyBaldwin CountyBanks CountyBarrow CountyBartow CountyBen Hill CountyBerrien CountyBibb CountyBleckley CountyBrantley CountyBrooks CountyBryan CountyBulloch CountyBurke CountyButts CountyCalhoun CountyCamden CountyCandler CountyCarroll CountyCatoosa CountyCharlton CountyChatham CountyChattahoochee CountyChattooga CountyCherokee CountyClarke CountyClay CountyClayton CountyClinch CountyCobb CountyCoffee CountyColquitt CountyColumbia CountyCook CountyCoweta CountyCrawford CountyCrisp CountyDade CountyDawson CountyDecatur CountyDeKalb CountyDodge CountyDooly CountyDougherty CountyDouglas CountyEarly CountyEchols CountyEffingham CountyElbert CountyEmanuel CountyEvans CountyFannin CountyFayette CountyFloyd CountyForsyth CountyFranklin CountyFulton CountyGilmer CountyGlascock CountyGlynn CountyGordon CountyGrady CountyGreene CountyHabersham CountyHall CountyHancock CountyHaralson CountyHarris CountyHart CountyHeard CountyHenry CountyHouston CountyIrwin CountyJackson CountyJasper CountyJeff Davis CountyJefferson CountyJenkins CountyJohnson CountyJones CountyLamar CountyLanier CountyLaurens CountyLee CountyLiberty CountyLincoln CountyLong CountyLowndes CountyLumpkin CountyMcDuffie CountyMcIntosh CountyMacon CountyMadison CountyMarion CountyMeriwether CountyMiller CountyMitchell CountyMonroe CountyMontgomery CountyMorgan CountyMurray CountyMuscogee CountyNewton CountyOconee CountyOglethorpe CountyPaulding CountyPeach CountyPickens CountyPierce CountyPike CountyPolk CountyPulaski CountyPutnam CountyQuitman CountyRabun CountyRandolph CountyRichmond CountyRockdale CountySchley CountyScreven CountySeminole CountySpalding CountyStephens CountyStewart CountySumter CountyTalbot CountyTaliaferro CountyTattnall CountyTaylor CountyTelfair CountyTerrell CountyThomas CountyTift CountyToombs CountyTowns CountyTreutlen CountyTroup CountyTurner CountyTwiggs CountyUnion CountyUpson CountyWalker CountyWalton CountyWare CountyWarren CountyWashington CountyWayne CountyWebster CountyWheeler CountyWhite CountyWhitfield CountyWilcox CountyWilkes CountyWilkinson CountyWorth CountyGwinnett County Gwinnett
Counties of Georgia · Gwinnett highlighted

History

Founded in 1818

An old deed may name a county that no longer exists, or a boundary that has since moved.

Gwinnett County was created from Non-County Area on December 15, 1818, and gained territory from Jackson County just four days later. Over the following decades, the county exchanged land with neighboring counties including Hall, Jackson, and Walton, and lost territory to the creation of DeKalb County in 1822.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1818
    Gwinnett County created Gwinnett created from Non-County Area. · Lamar's Compilation, 416-418
  2. 1818
    Gained territory Gwinnett gained from Jackson.
    from Jackson
    · Lamar's Compilation, 226-229
  3. 1819
    Exchanged territory Gwinnett exchanged with Hall and gained from Jackson.
    with Hallwith Jackson
    · Lamar's Compilation, 231
  4. 1820
    Exchanged territory Gwinnett exchanged with Walton.
    with Walton
    · Ga. Laws 1820, p. 61
  5. 1822
    Lost territory Gwinnett lost to creation of Dekalb.
    to Dekalb
    · Dawson's Compilation, 121-122
Show all 18 changes (13 more, mostly small adjustments)
  1. 1818
    Gwinnett County created Gwinnett created from Non-County Area. · Lamar's Compilation, 416-418
  2. 1818
    Gained territory Gwinnett gained from Jackson.
    from Jackson
    · Lamar's Compilation, 226-229
  3. 1819
    Exchanged territory Gwinnett exchanged with Hall and gained from Jackson.
    with Hallwith Jackson
    · Lamar's Compilation, 231
  4. 1820
    Exchanged territory Gwinnett exchanged with Walton.
    with Walton
    · Ga. Laws 1820, p. 61
  5. 1822
    Lost territory Gwinnett lost to creation of Dekalb.
    to Dekalb
    · Dawson's Compilation, 121-122
  6. 1823
    Boundary clarified Boundary between Gwinnett and Dekalb was redefined (no change).
    with Dekalbno change
    · Ga. Laws 1823, p 56; Dawson's Compilation pp 124-125
  7. 1828
    Lost territory Gwinnett lost to Dekalb (lots 307, 308; 6th dist.).
    to Dekalb
    · Ga. Laws 1828, p. 54; Dawson's Compilation, 138
  8. 1829
    Lost territory Gwinnett lost to Dekalb (fractional lot 248; 6th dist.).
    to Dekalb
    · Ga. Laws 1829, p. 30; Dawson's Compilation, 140
  9. 1840
    Gained territory Gwinnett gained from Dekalb to accommodate private individual.
    from Dekalb
    · Ga. Laws 1840, p. 37
  10. 1849
    Lost territory Gwinnett lost small area to Jackson to accommodate private individual.
    to Jackson
    · Ga. Laws 1849, p. 137
  11. 1850
    Changed Boundary between Gwinnett and Walton adjusted to accommodate private individual.
    Walton
    · Ga. Laws 1849, p. 139
  12. 1852
    Changed Boundary between Gwinnett and Hall adjusted; act repealed 16 December 1853.
    Hall
    · Ga. Laws 1851, no. 31/pp. 64-65
  13. 1853
    Changed Boundary between Gwinnett and Hall adjusted when act of 12 January 1852 was repealed.
    Hall
    · Ga. Laws 1853-1854, priv. & local, no. 242/pp. 317-318
  14. 1856
    Lost territory Gwinnett lost small area to Walton (lot 416; 4th dist.), but no lot with that number can be located along the Gwinnett / Walton boundary.
    to Walton
    · Ga. Laws 1855, no. 60/p. 129
  15. 1856
    Changed Boundary between Gwinnett and Jackson adjusted to accommodate private individual.
    Jackson
    · Ga. Laws 1855, no. 54/p. 125
  16. 1859
    Lost territory Gwinnett lost to Milton (extinct).
    to Milton
    · Ga. Laws 1859, loc. & priv., no. 249/p. 271
  17. 1875
    Changed Legislation authorized Gwinnett to lose small area to Rockdale (lot 250; 4th dist.), but no evidence change took effect.
    Rockdale
    · Ga. Laws 1875, no. 253/p. 272
  18. 1914
    Lost territory Gwinnett lost to creation of Barrow. Act passed 7 July 1914; took effect 3 November 1914.
    to Barrow
    · Ga. Laws 1914, no. 278/pp. 27-29

Land and parcels

What the maps cover in Gwinnett

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Gwinnett by the Census

Population
957,062 2020 Census count
Housing units
330,569 2020 Census count
Land area
431 square miles
Water area
6 square miles
People per sq mi
2,222 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Gwinnett County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

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Questions

Common questions about Gwinnett County

When was Gwinnett County founded?
Gwinnett County was founded in 1818, and named after Button Gwinnett.
What is the county seat of Gwinnett County?
The county seat of Gwinnett County is Lawrenceville.
Is there an online parcel map for Gwinnett County?
Yes. Gwinnett County publishes a parcel map of 309,705 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Gwinnett County's boundary or name changed?
Gwinnett County was created in 1818. Since then the Atlas of Historical County Boundaries records 16 later changes, chiefly involving Dekalb County, Jackson County and Hall County.
Is my lot in a flood zone?
We do not have flood maps for Gwinnett County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door