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County · code 48451

Tom Green CountyTexas

Tom Green County in Texas was created on March 13, 1874, from the Bexar Land District and is named after Thomas Green. The county seat is San Angelo.

  • Founded1874
  • County seatSan Angelo
  • Named forThomas Green
  • Land area1,522 sq mi + 19 sq mi water
  • Population120,003 2020 Census
  • Parcels mapped59,008 checked 16 October 2026
Open the free map Click any parcel in Tom Green County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

CokeSchleicherIrionConchoRunnelsSterlingReagan San Angelo Census outline · seat marked

Where it is

Tom Green 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 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 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 CountyTom Green County Tom Green
Counties of Texas · Tom Green highlighted

History

Founded in 1874

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

Tom Green County was created from Bexar Land District in 1874 and temporarily attached to El Paso County for judicial purposes before being fully organized in 1875. The county lost significant territory over the following decades as multiple counties were created from its land, including Andrews, Howard, Martin, Mitchell, Nolan, Midland, Crane, Ector, Loving, Upton, Ward, Winkler, Glasscock, Irion, Coke, Sterling, and Reagan.

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

  1. 1874
    Tom Green County created Tom Green created from Bexar Land District; Tom Green not fully organized. · Texas Laws 1874, 14th leg., reg. sess., ch. 26/p. 21
  2. 1876
    Lost territory Tom Green lost to creation of Andrews, Howard, Martin, Mitchell, and Nolan.
    to Andrewsto Howardto Martinto Mitchellto Nolan
    · Texas Laws 1876, 15th leg., ch. 144/p. 239
  3. 1885
    Lost territory Tom Green lost to creation of Midland.
    to Midland
    · Texas Laws 1885, 19th leg., ch. 23/p. 24
  4. 1887
    Lost territory Tom Green lost to creation of Crane, Ector, Loving, Upton, Ward, and Winkler.
    to Craneto Ectorto Lovingto Uptonto Wardto Winkler
    · Texas Laws 1887, 20th leg., reg. sess., ch. 12/pp. 8-10
  5. 1887
    Lost territory Tom Green lost to creation of Glasscock.
    to Glasscock
    · Texas Laws 1887, 20th leg., reg. sess., ch. 143/p. 136
Show all 13 changes (8 more)
  1. 1874
    Tom Green County created Tom Green created from Bexar Land District; Tom Green not fully organized. · Texas Laws 1874, 14th leg., reg. sess., ch. 26/p. 21
  2. 1874
    Changed Tom Green attached to El Paso "for judicial purposes."
    El Paso
    · Texas Laws 1874, 14th leg., reg. sess., ch. 109/p. 155
  3. 1875
    Changed Tom Green fully organized, detached from El Paso.
    El Paso
    · "Tom Green County," New Handbook of Texas, 6:523
  4. 1876
    Lost territory Tom Green lost to creation of Andrews, Howard, Martin, Mitchell, and Nolan.
    to Andrewsto Howardto Martinto Mitchellto Nolan
    · Texas Laws 1876, 15th leg., ch. 144/p. 239
  5. 1885
    Lost territory Tom Green lost to creation of Midland.
    to Midland
    · Texas Laws 1885, 19th leg., ch. 23/p. 24
  6. 1887
    Lost territory Tom Green lost to creation of Crane, Ector, Loving, Upton, Ward, and Winkler.
    to Craneto Ectorto Lovingto Uptonto Wardto Winkler
    · Texas Laws 1887, 20th leg., reg. sess., ch. 12/pp. 8-10
  7. 1887
    Lost territory Tom Green lost to creation of Glasscock.
    to Glasscock
    · Texas Laws 1887, 20th leg., reg. sess., ch. 143/p. 136
  8. 1889
    Lost territory Tom Green lost to creation of Irion.
    to Irion
    · Texas Laws 1889, 21st leg., ch. 87/p. 99
  9. 1889
    Lost territory Tom Green lost to creation of Coke.
    to Coke
    · Texas Laws 1889, 21st leg., ch. 77/p. 86
  10. 1891
    Lost territory Tom Green lost to creation of Sterling; Sterling not fully organized, attached to Tom Green "for judicial, surveying and recording purposes."
    to Sterling
    · Texas Laws 1891, 22d leg., reg. sess., ch. 16/p. 18
  11. 1891
    Changed Sterling fully organized, detached from Tom Green.
    Sterling
    · Daniels, 20-21
  12. 1903
    Lost territory Tom Green lost to creation of Reagan; Reagan not fully organized, attached to Tom Green "for judicial, surveying and recording purposes."
    to Reagan
    · Texas Laws 1903, 28th leg., reg. sess., ch. 32/p. 44
  13. 1903
    Changed Reagan fully organized, detached from Tom Green.
    Reagan
    · History of Reagan County, 19

Land and parcels

What the maps cover in Tom Green

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

Tom Green by the Census

Population
120,003 2020 Census count
Housing units
51,406 2020 Census count
Land area
1,522 square miles
Water area
19 square miles
People per sq mi
79 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.

Permits

County government

See your own lot on these maps

Open Tom Green County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Tom Green County

When was Tom Green County founded?
Tom Green County was founded in 1874, and named after Thomas Green.
What is the county seat of Tom Green County?
The county seat of Tom Green County is San Angelo.
Is there an online parcel map for Tom Green County?
Yes. Tom Green County publishes a parcel map of 59,008 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Tom Green County's boundary or name changed?
Tom Green County was created in 1874. Since then the Atlas of Historical County Boundaries records 12 later changes, chiefly involving El Paso County, Reagan County and Sterling County.
Who issues septic and well permits in Tom Green County?
The county's page on septic systems and wells: Health department: septic and well.
Is my lot in a flood zone?
We do not have flood maps for Tom Green 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