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County · code 48015

Austin CountyTexas

Austin County, Texas is located in the southeastern part of the state with its county seat in Bellville. The county was formed on March 17, 1836, as part of the Republic of Texas and named after Stephen F. Austin.

  • Founded1836
  • County seatBellville
  • Named forStephen F. Austin
  • Land area647 sq mi + 9.9 sq mi water
  • Population30,167 2020 Census
  • Parcels mapped21,297 checked 16 October 2026
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Updated

WallerWashingtonColoradoWhartonFort BendFayette Bellville Census outline · seat marked

Where it is

Austin 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 CountyBailey CountyBandera CountyBastrop CountyBaylor CountyBee CountyBell CountyBexar CountyBlanco CountyBorden CountyBosque CountyBowie CountyBrazoria 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 CountyAustin County Austin
Counties of Texas · Austin highlighted

History

Founded in 1836

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

San Felipe de Austin, a municipality established by Mexico in 1828, had jurisdiction over territory between the Lavaca and San Jacinto Rivers. When Austin became a county in the Republic of Texas in 1836, it was gradually reduced in size through the creation of neighboring counties including Brazoria, Bastrop, Washington, Harris, Colorado, Montgomery, and Fort Bend. Austin became a county in the newly-established state of Texas on December 29, 1845.

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

  1. 1828
    Austin County created San Felipe de Austin (now Austin, original county) established as a municipality by Mexico. Precise boundaries not described; municipality had jurisdiction over territory between the Lavaca and San Jacinto Rivers, and south of the San Antonio Road to the Gulf of Mexico.
    from San Felipe de Austin
    · "Austin County," New Handbook of Texas, 1:305; Barker, 299-307
  2. 1832
    Lost territory Austin lost to creation of Brazoria.
    to Brazoria
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 196/p. 307
  3. 1836
    Became part of Texas Austin became a county in the Republic of Texas. · Connor, 170-171; Swindler, 9:254-255
  4. 1837
    Lost territory Austin lost to creation of Fort Bend.
    to Fort Bend
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 118
  5. 1845
    Became part of Texas Austin 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 20 changes (15 more, mostly small adjustments)
  1. 1828
    Austin County created San Felipe de Austin (now Austin, original county) established as a municipality by Mexico. Precise boundaries not described; municipality had jurisdiction over territory between the Lavaca and San Jacinto Rivers, and south of the San Antonio Road to the Gulf of Mexico.
    from San Felipe de Austin
    · "Austin County," New Handbook of Texas, 1:305; Barker, 299-307
  2. 1832
    Lost territory Austin lost to creation of Brazoria.
    to Brazoria
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 196/p. 307
  3. c. 1834
    Lost territory Austin lost to creation of Mina (now Bastrop).
    to Minato Bastrop
    · Gammel, 1:Laws and Decrees of Coahuila and Texas, decree no. 283/p. 384
  4. 1835
    Lost territory Austin lost to creation of Washington.
    to Washington
    · "Documents Relating to the Organization…," 99; Partlow, inside front cover, 326
  5. 1836
    Lost territory Austin lost to creation of Harrisburg (now Harris).
    to Harrisburgto Harris
    · Gammel, 1:Ordinances and Decrees, Provisional Govt. Texas, 119
  6. 1836
    Lost territory Austin lost to creation of Colorado.
    to Colorado
    · Gammel, 1:Ordinances and Decrees, Provisional Govt. Texas, 130
  7. 1836
    Became part of Texas Austin became a county in the Republic of Texas. · Connor, 170-171; Swindler, 9:254-255
  8. 1837
    Lost territory Boundary between Austin and Washington defined; Austin lost small area to creation of Montgomery.
    to Washingtonto Montgomery
    · Texas Repub. Laws 1837, 2d cong., 1st sess./pp. 33, 49
  9. 1837
    Lost territory Austin lost to creation of Fort Bend.
    to Fort Bend
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 118
  10. 1838
    Gained territory Austin gained small area from Washington.
    from Washington
    · Texas Repub. Laws 1838, 2d cong., 2d sess./p. 43
  11. 1839
    Boundary clarified Boundary between Austin and Fort Bend clarified (no change).
    with Fort Bendno change
    · Texas Repub. Laws 1838, 3d cong./p. 33
  12. 1840
    Lost territory Austin lost to Fort Bend.
    to Fort Bend
    · Texas Repub. Laws 1839, 4th cong./p. 220
  13. 1841
    Lost territory Austin lost to Fort Bend.
    to Fort Bend
    · Texas Repub. Laws 1840, 5th cong./pp. 80, 136
  14. 1842
    Changed Boundary between Austin and Washington adjusted.
    Washington
    · Texas Repub. Laws 1841, 6th cong., 1st sess./p. 76
  15. 1844
    Boundary clarified Part of the boundary between Austin and Washington clarified (no change).
    with Washingtonno change
    · Texas Repub. Laws 1843, 8th cong./p. 58
  16. 1845
    Became part of Texas Austin 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
  17. 1846
    Exchanged territory Austin exchanged with Fort Bend. Area between Sixteen Mile Creek and San Bernard River was in dispute, although it appears that the 1841 boundary line continued to be generally observed. Boundary question settled 30 October 1931.
    with Fort Bend
    · Texas Laws 1846, 1st leg./p. 15
  18. 1848
    Gained territory Austin gained small area from Fort Bend.
    from Fort Bend
    · Texas Laws 1847, 2d leg., ch. 77/p. 75
  19. 1873
    Lost territory Austin lost to creation of Waller.
    to Waller
    · Texas Laws 1873, 13th leg., ch. 38/p. 49
  20. 1931
    Lost territory Austin lost to Fort Bend, settling boundary dispute dating from 24 March 1846.
    to Fort Bend
    · "Austin County v. Fort Bend County," Agreed Judgment in Cause #6545, Washington County District Court in "Austin County Boundary File 5," Texas General Land Office, Austin

Land and parcels

What the maps cover in Austin

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

Austin by the Census

Population
30,167 2020 Census count
Housing units
13,779 2020 Census count
Land area
647 square miles
Water area
9.9 square miles
People per sq mi
47 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

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Zoning and code

County government

See your own lot on these maps

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Questions

Common questions about Austin County

When was Austin County founded?
Austin County was founded in 1836, and named after Stephen F. Austin.
What is the county seat of Austin County?
The county seat of Austin County is Bellville.
Is there an online parcel map for Austin County?
Yes. Austin County publishes a parcel map of 21,297 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Austin County's boundary or name changed?
Austin County was created in 1828. Since then the Atlas of Historical County Boundaries records 17 later changes, most of them small boundary adjustments, chiefly involving Fort Bend County, Washington County and Bastrop County.
Is my lot in a flood zone?
We do not have flood maps for Austin 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