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County · code 48039

Brazoria CountyTexas

Brazoria County is a county in Texas, with its county seat in Angleton. It was established in 1832 and named after the Brazos River.

  • Founded1832
  • County seatAngleton
  • Named forBrazos River, Texas
  • Land area1,363 sq mi + 245 sq mi water
  • Population372,031 2020 Census
  • Parcels mapped266,844 checked 15 October 2026
Open the free map Click any parcel in Brazoria County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Fort BendGalvestonMatagordaHarrisWharton Angleton Census outline · seat marked

Where it is

Brazoria on the map of Texas

Texas has 254 counties and county equivalents, each with its own records office. Shapes with a page are links.

Anderson CountyAndrews CountyAngelina CountyAransas CountyArcher CountyArmstrong CountyAtascosa CountyAustin CountyBailey CountyBandera CountyBastrop CountyBaylor CountyBee CountyBell CountyBexar CountyBlanco CountyBorden CountyBosque CountyBowie CountyBrazos CountyBrewster CountyBriscoe CountyBrooks CountyBrown CountyBurleson CountyBurnet CountyCaldwell CountyCalhoun CountyCallahan CountyCameron CountyCamp CountyCarson CountyCass CountyCastro CountyChambers CountyCherokee CountyChildress CountyClay CountyCochran CountyCoke CountyColeman CountyCollin CountyCollingsworth CountyColorado CountyComal CountyComanche CountyConcho CountyCooke CountyCoryell CountyCottle CountyCrane CountyCrockett CountyCrosby CountyCulberson CountyDallam CountyDallas CountyDawson CountyDeaf Smith CountyDelta CountyDenton CountyDeWitt CountyDickens CountyDimmit CountyDonley CountyDuval CountyEastland CountyEctor CountyEdwards CountyEllis CountyEl Paso CountyErath CountyFalls CountyFannin CountyFayette CountyFisher CountyFloyd CountyFoard CountyFort Bend CountyFranklin CountyFreestone CountyFrio CountyGaines CountyGalveston CountyGarza CountyGillespie CountyGlasscock CountyGoliad CountyGonzales CountyGray CountyGrayson CountyGregg CountyGrimes CountyGuadalupe CountyHale CountyHall CountyHamilton CountyHansford CountyHardeman CountyHardin CountyHarris CountyHarrison CountyHartley CountyHaskell CountyHays CountyHemphill CountyHenderson CountyHidalgo CountyHill CountyHockley CountyHood CountyHopkins CountyHouston CountyHoward CountyHudspeth CountyHunt CountyHutchinson CountyIrion CountyJack CountyJackson CountyJasper CountyJeff Davis CountyJefferson CountyJim Hogg CountyJim Wells CountyJohnson CountyJones CountyKarnes CountyKaufman CountyKendall CountyKenedy CountyKent CountyKerr CountyKimble CountyKing CountyKinney CountyKleberg CountyKnox CountyLamar CountyLamb CountyLampasas CountyLa Salle CountyLavaca CountyLee CountyLeon CountyLiberty CountyLimestone CountyLipscomb CountyLive Oak CountyLlano CountyLoving CountyLubbock CountyLynn CountyMcCulloch CountyMcLennan CountyMcMullen CountyMadison CountyMarion CountyMartin CountyMason CountyMatagorda CountyMaverick CountyMedina CountyMenard CountyMidland CountyMilam CountyMills CountyMitchell CountyMontague CountyMontgomery CountyMoore CountyMorris CountyMotley CountyNacogdoches CountyNavarro CountyNewton CountyNolan CountyNueces CountyOchiltree CountyOldham CountyOrange CountyPalo Pinto CountyPanola CountyParker CountyParmer CountyPecos CountyPolk CountyPotter CountyPresidio CountyRains CountyRandall CountyReagan CountyReal CountyRed River CountyReeves CountyRefugio CountyRoberts CountyRobertson CountyRockwall CountyRunnels CountyRusk CountySabine CountySan Augustine CountySan Jacinto CountySan Patricio CountySan Saba CountySchleicher CountyScurry CountyShackelford CountyShelby CountySherman CountySmith CountySomervell CountyStarr CountyStephens CountySterling CountyStonewall CountySutton CountySwisher CountyTarrant CountyTaylor CountyTerrell CountyTerry CountyThrockmorton CountyTitus CountyTom Green CountyTravis CountyTrinity CountyTyler CountyUpshur CountyUpton CountyUvalde CountyVal Verde CountyVan Zandt CountyVictoria CountyWalker CountyWaller CountyWard CountyWashington CountyWebb CountyWharton CountyWheeler CountyWichita CountyWilbarger CountyWillacy CountyWilliamson CountyWilson CountyWinkler CountyWise CountyWood CountyYoakum CountyYoung CountyZapata CountyZavala CountyBrazoria County Brazoria
Counties of Texas · Brazoria highlighted

History

Formed in 1832 from Austin County

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

Brazoria County was created from Austin County in 1832 as a municipality established by Mexico. The county was renamed Columbia in 1834 and then renamed back to Brazoria in 1835. It became a county in the Republic of Texas in 1836 and in the state of Texas in 1845, after losing territory to the creation of several neighboring counties including Matagorda, Fort Bend, and Galveston.

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

  1. 1832
    Brazoria County created Brazoria (original county) created from Austin; established as a municipality by Mexico.
    from Austin
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 196/p. 307
  2. c. 1834
    Renamed Brazoria renamed Columbia.
    formerly Brazoria
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 283/p. 385
  3. 1835
    Renamed Columbia renamed Brazoria.
    formerly Columbia
    · Gammel, 1:Journals of the Consultation, 31
  4. 1836
    Became part of Texas Brazoria became a county in the Republic of Texas. · Connor, 170-171; Swindler, 9:254-255
  5. 1845
    Became part of Texas Brazoria became a county in the newly-established state of Texas. · Texas Repub. Laws 1845, 9th cong., spec. sess./pp. 4-6; U.S. Stat., vol. 9, res. 1 [1845]/p. 108; Van Zandt, 122
Show all 13 changes (8 more)
  1. 1832
    Brazoria County created Brazoria (original county) created from Austin; established as a municipality by Mexico.
    from Austin
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 196/p. 307
  2. 1834
    Lost territory Brazoria lost to creation of Matagorda.
    to Matagorda
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 265/p. 352
  3. c. 1834
    Renamed Brazoria renamed Columbia.
    formerly Brazoria
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 283/p. 385
  4. 1835
    Renamed Columbia renamed Brazoria.
    formerly Columbia
    · Gammel, 1:Journals of the Consultation, 31
  5. 1835
    Lost territory Brazoria lost to Matagorda.
    to Matagorda
    · Gammel, 1:Ordinances and Decrees, Provisional Govt. Texas, 114
  6. 1836
    Became part of Texas Brazoria became a county in the Republic of Texas. · Connor, 170-171; Swindler, 9:254-255
  7. 1837
    Lost territory Brazoria lost to creation of Fort Bend.
    to Fort Bend
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 118
  8. 1838
    Lost territory Brazoria lost to creation of Galveston.
    to Galveston
    · Texas Repub. Laws 1838, 2d cong., 2d sess./p. 24
  9. 1839
    Gained territory Brazoria gained San Luis Island from Galveston.
    from Galveston
    · Texas Repub. Laws 1839, 4th cong./p. 183
  10. 1841
    Lost territory Brazoria lost to Galveston.
    to Galveston
    · Texas Repub. Laws 1840, 5th cong./ p. 45
  11. 1845
    Became part of Texas Brazoria became a county in the newly-established state of Texas. · Texas Repub. Laws 1845, 9th cong., spec. sess./pp. 4-6; U.S. Stat., vol. 9, res. 1 [1845]/p. 108; Van Zandt, 122
  12. 1846
    Gained territory Brazoria gained from Fort Bend, and exchanged small areas with Matagorda.
    from Fort Bendfrom Matagorda
    · Texas Laws 1846, 1st leg./pp. 15, 18-20
  13. 1947
    Changed Boundaries of Brazoria extended to the continental shelf in the Gulf of Mexico. · Texas Laws 1947, 50th leg., reg. sess., ch. 287/p. 490

Land and parcels

What the maps cover in Brazoria

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

Brazoria by the Census

Population
372,031 2020 Census count
Housing units
141,493 2020 Census count
Land area
1,363 square miles
Water area
245 square miles
People per sq mi
273 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

Brazoria 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 Brazoria County

When was Brazoria County founded?
Brazoria County was founded in 1832, formed from Austin County, and named after Brazos River, Texas.
What is the county seat of Brazoria County?
The county seat of Brazoria County is Angleton.
Is there an online parcel map for Brazoria County?
Yes. Brazoria County publishes a parcel map of 266,844 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Brazoria County's boundary or name changed?
Brazoria County was created in 1832 from Austin County. Since then the Atlas of Historical County Boundaries records 12 later changes, chiefly involving Galveston County, Matagorda County and Fort Bend County. It was formerly called Brazoria and Columbia.
Is my lot in a flood zone?
We do not have flood maps for Brazoria 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