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County · code 13275

Thomas CountyGeorgia

Thomas County is a county in Georgia with its seat in Thomasville, formed in 1825.

  • Founded1825
  • County seatThomasville
  • Named forJett Thomas
  • Land area545 sq mi + 7.6 sq mi water
  • Population45,798 2020 Census
  • Parcels mapped24,905 checked 16 October 2026
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Updated

GradyBrooksColquittMitchell Thomasville Census outline · seat marked

Where it is

Thomas 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 CountyGwinnett 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 CountyTift CountyToombs CountyTowns CountyTreutlen CountyTroup CountyTurner CountyTwiggs CountyUnion CountyUpson CountyWalker CountyWalton CountyWare CountyWarren CountyWashington CountyWayne CountyWebster CountyWheeler CountyWhite CountyWhitfield CountyWilcox CountyWilkes CountyWilkinson CountyWorth CountyThomas County Thomas
Counties of Georgia · Thomas highlighted

History

Formed in 1825 from Decatur County and Irwin County

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

Thomas County was created on December 23, 1825, from Decatur and Irwin counties and named after Jett Thomas. The county gained territory from Lowndes County in 1826 and lost portions to several newly created counties: Colquitt in 1856, Brooks in 1858, and Worth in 1854.

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

  1. 1825
    Thomas County created Thomas created from Decatur and Irwin.
    from Decaturfrom Irwin
    · Ga. Laws 1825, p. 54; Dawson's Compilation, 128
  2. 1826
    Gained territory Thomas gained from Lowndes.
    from Lowndes
    · Ga. Laws 1826, p. 66; Dawson's Compilation, 135
  3. 1856
    Lost territory Thomas lost to creation of Colquitt. Act passed 25 February 1856; took effect 1 April 1856.
    to Colquitt
    · Ga. Laws 1855, no. 46/pp. 108-110
  4. 1858
    Lost territory Thomas lost to creation of Brooks.
    to Brooks
    · Ga. Laws 1858, pub., no. 21/pp. 35-37
  5. 1906
    Lost territory Thomas lost to creation of Grady. Act passed 17 August 1905; took effect 1 January 1906.
    to Grady
    · Ga. Laws 1905, no. 31/pp. 54-55
Show all 14 changes (9 more, mostly small adjustments)
  1. 1825
    Thomas County created Thomas created from Decatur and Irwin.
    from Decaturfrom Irwin
    · Ga. Laws 1825, p. 54; Dawson's Compilation, 128
  2. 1826
    Gained territory Thomas gained from Lowndes.
    from Lowndes
    · Ga. Laws 1826, p. 66; Dawson's Compilation, 135
  3. 1850
    Gained territory Thomas gained small area from Baker (lot 20; 10th dist.).
    from Baker
    · Ga. Laws 1849, pp. 132-133
  4. 1852
    Changed Legislation authorized Thomas to gain small areas from Baker (lot 110; 10th dist.) and Lowndes (lots 525, 526; 12th dist.). No evidence transfer from Baker took effect; areas to be gained from Lowndes were already part of Thomas (no change).
    BakerLowndes
    · Ga. Laws 1851, no. 31/pp. 64-65
  5. 1852
    Lost territory Thomas lost small area to Baker (lot 1; 8th dist.) to accommodate private individual.
    to Baker
    · Ga. Laws 1851, no. 35/pp. 68-69
  6. 1854
    Changed Legislation authorized Thomas to lose small area to Worth (lot 7; 8th dist.) to accommodate private individual. Act passed 14 January 1854, but creation of Worth not yet effective. See 7 February 1854 for implementation of this change.
    Worth
    · Ga. Laws 1853-1854, priv. & local, no. 236/p. 314
  7. 1854
    Lost territory Thomas lost small area to Worth (lot 7; 8th dist.) to accommodate private individual. Act passed 17 January 1854; not mappable until Worth boundaries fully defined on 7 February 1854. Includes alteration made between Worth and Thomas (lot 7; 8th dist.) on 14 Jan 1854.
    to Worth
    · Ga. Laws 1853-1854, priv. & local, no. 236/p. 314; nos. 229-230/pp. 308-310
  8. 1856
    Lost territory Thomas lost to creation of Colquitt. Act passed 25 February 1856; took effect 1 April 1856.
    to Colquitt
    · Ga. Laws 1855, no. 46/pp. 108-110
  9. 1858
    Lost territory Thomas lost to creation of Brooks.
    to Brooks
    · Ga. Laws 1858, pub., no. 21/pp. 35-37
  10. 1859
    Lost territory Thomas lost small area to Mitchell (lot 20; 10th dist.) to accommodate private individual.
    to Mitchell
    · Ga. Laws 1859, loc. & priv., no. 256/p. 274
  11. 1859
    Lost territory Thomas lost small area to Colquitt (lot 345; 13th dist.) to accommodate private individual.
    to Colquitt
    · Ga. Laws 1859, loc. & priv., no. 255/p. 273
  12. 1870
    Lost territory Thomas lost small area to Colquitt (lot 115; 13th dist.).
    to Colquitt
    · Ga. Laws 1870, no. 12/p. 23
  13. 1906
    Lost territory Thomas lost to creation of Grady. Act passed 17 August 1905; took effect 1 January 1906.
    to Grady
    · Ga. Laws 1905, no. 31/pp. 54-55
  14. 1952
    Gained territory By 31 December 1952, Thomas gained small area from Colquitt (lot 115; 8th dist.).
    from Colquitt
    · U.S. Gov. Printing Office, "Ga. Minor Civil Div., 1952"

Land and parcels

What the maps cover in Thomas

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

Thomas by the Census

Population
45,798 2020 Census count
Housing units
20,668 2020 Census count
Land area
545 square miles
Water area
7.6 square miles
People per sq mi
84 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

Thomas 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 Thomas County

When was Thomas County founded?
Thomas County was founded in 1825, formed from Decatur County and Irwin County, and named after Jett Thomas.
What is the county seat of Thomas County?
The county seat of Thomas County is Thomasville.
Is there an online parcel map for Thomas County?
Yes. Thomas County publishes a parcel map of 24,905 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Thomas County's boundary or name changed?
Thomas County was created in 1825 from Decatur County and Irwin County. Since then the Atlas of Historical County Boundaries records 12 later changes, most of them small boundary adjustments, chiefly involving Colquitt County, Baker County and Worth County.
Is my lot in a flood zone?
We do not have flood maps for Thomas 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