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County · code 48029

Bexar CountyTexas

Bexar County is a county in Texas, with its seat in San Antonio. The county was established as a municipality under New Spain in 1731 and named after the Presidio San Antonio de Bexar.

  • Founded1824
  • County seatSan Antonio
  • Named forPresidio San Antonio de Bexar, Texas
  • Land area1,240 sq mi + 16 sq mi water
  • Population2,009,324 2020 Census
  • Parcels mapped710,766 checked 16 October 2026
Open the free map Click any parcel in Bexar County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

ComalWilsonKendallGuadalupeMedina San Antonio Census outline · seat marked

Where it is

Bexar on the map of Texas

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

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Counties of Texas · Bexar highlighted

History

Founded in 1824

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

Bexar became a county in the Republic of Texas in 1836 with indefinite boundaries that were implicitly expanded to cover all non-county area in the Republic. Bexar became a county in the newly-established state of Texas in 1845.

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

  1. 1731
    Bexar County created San Fernando de Bexar (now Bexar, original county) established as a municipality under the authority of New Spain. Precise boundaries not described. · Austin, 298; Cruz, 64-76
  2. 1836
    Became part of Texas Bexar became a county in the Republic of Texas, boundaries indefinite. · Connor, 170-171; Swindler, 9:254-255
  3. 1836
    Bexar County created Bexar boundaries implicitly expanded to cover all non-county area when the Republic of Texas officially established its boundaries. Bexar included parts of present Colorado, Kansas, New Mexico, Oklahoma, Wyoming, and Texas. · Texas Repub. Laws 1836, 1st cong./p. 133
  4. 1837
    Lost territory Bexar lost to creation of Robertson; Bexar boundary clarified when Gonzales boundaries defined.
    to Robertsonto Gonzales
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 42
  5. 1845
    Became part of Texas Bexar 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 29 changes (24 more)
  1. 1731
    Bexar County created San Fernando de Bexar (now Bexar, original county) established as a municipality under the authority of New Spain. Precise boundaries not described. · Austin, 298; Cruz, 64-76
  2. 1836
    Became part of Texas Bexar became a county in the Republic of Texas, boundaries indefinite. · Connor, 170-171; Swindler, 9:254-255
  3. 1836
    Bexar County created Bexar boundaries implicitly expanded to cover all non-county area when the Republic of Texas officially established its boundaries. Bexar included parts of present Colorado, Kansas, New Mexico, Oklahoma, Wyoming, and Texas. · Texas Repub. Laws 1836, 1st cong./p. 133
  4. 1837
    Lost territory Bexar lost to creation of Robertson; Bexar boundary clarified when Gonzales boundaries defined.
    to Robertsonto Gonzales
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 42
  5. 1837
    Exchanged territory Bexar exchanged with Bastrop.
    with Bastrop
    · Texas Repub. Laws 1837, 2d cong., 1st sess./p. 91
  6. 1838
    Exchanged territory Bexar exchanged with San Patricio.
    with San Patricio
    · Texas Repub. Laws 1838, 2d cong., 2d sess./p. 33
  7. 1839
    Lost territory Bexar lost to Fannin.
    to Fannin
    · Texas Repub. Laws 1839, 4th cong./p. 194
  8. 1842
    Lost territory Bexar lost to creation of Guadalupe (Judicial County).
    to Guadalupe
    · Texas Repub. Laws 1841, 6th cong., 1st sess./p. 78
  9. c. 1842
    Gained territory Bexar gained from Guadalupe (Judicial County) when Republic of Texas Supreme Court ruled judicial counties unconstitutional.
    from Guadalupe
    · "Stockton v. Montgomery" in Dallam, 473-486
  10. 1845
    Became part of Texas Bexar 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
  11. 1846
    Lost territory Bexar lost to creation of Comal.
    to Comal
    · Texas Laws 1846, 1st leg./p. 13
  12. 1846
    Lost territory Bexar lost to creation of Guadalupe.
    to Guadalupe
    · Texas Laws 1846, 1st leg./p. 33
  13. 1846
    Lost territory Bexar lost to Milam, and to creation of Non-County Area 12.
    to Milam
    · Texas Laws 1846, 1st leg./p. 259
  14. 1848
    Lost territory Bexar lost to creation of Webb.
    to Webb
    · Texas Laws 1847, 2d leg., ch. 23/p. 18
  15. 1848
    Lost territory Bexar lost to creation of Medina.
    to Medina
    · Texas Laws 1847, 2d leg., ch. 36/p. 27
  16. 1848
    Lost territory Bexar lost to creation of Gillespie.
    to Gillespie
    · Texas Laws 1847, 2d leg., ch. 47/p. 35
  17. 1848
    Lost territory Bexar lost to creation of Santa Fe (extinct).
    to Santa Fe
    · Texas Laws 1847, 2d leg., ch 87/p. 95
  18. 1848
    Lost territory Bexar lost to Travis.
    to Travis
    · Texas Laws 1847, 2d leg., ch. 150/p. 218
  19. 1849
    Lost territory Bexar lost to Santa Fe (extinct).
    to Santa Fe
    · Texas Laws 1849, 3d leg., reg. sess., ch. 24/p. 21
  20. 1850
    Lost territory Bexar lost to Webb.
    to Webb
    · Texas Laws 1849, 3d leg., reg. sess., ch. 46/p. 46
  21. 1850
    Lost territory Bexar lost to creation of Kinney.
    to Kinney
    · Texas Laws 1849, 3d leg., reg. sess., ch. 81/p. 88
  22. 1850
    Changed Part of Bexar reverted to Non-County Area 19 attached to Medina "for judicial purposes."
    Medina
    · Texas Laws 1849, 3d leg., reg. sess., ch. 89/p. 94
  23. 1850
    Lost territory Bexar lost to creation of Uvalde.
    to Uvalde
    · Texas Laws 1849, 3d leg., reg. sess., ch. 112/p. 132
  24. 1850
    Lost territory State of Texas sold land in present Colorado, Kansas, New Mexico, Oklahoma, and Wyoming to the United States. Bexar lost territory to the United States; implicitly gained territory extending to new northern limit of Texas. Except for small adjustments, Texas state boundaries now set. · U.S. Stat., vol. 9, ch. 49 [1850]/pp. 446-452 and appendix, sec. 10/pp. 1005-1006; Texas Laws 1850, 3d leg., 3d sess., ch. 2/p. 4; Van Zandt, 122
  25. 1854
    Lost territory Bexar lost to creation of Karnes.
    to Karnes
    · Texas Laws 1853, 5th leg., ch. 35/p. 44
  26. 1856
    Lost territory Bexar lost to creation of Atascosa.
    to Atascosa
    · Texas Laws 1855, 6th leg., reg. sess., ch. 33/p. 25
  27. 1856
    Lost territory Bexar lost to creation of Bandera and Kerr. Bexar Land District was physically separated from county of Bexar.
    to Banderato Kerr
    · Texas Laws 1855, 6th leg., reg. sess., chs. 40, 42/pp. 30-31
  28. 1860
    Lost territory Bexar lost to creation of Wilson.
    to Wilson
    · Texas Laws 1859, 8th leg., reg. sess., gen., ch. 76/pp. 106-108
  29. 1873
    Lost territory Bexar lost to Medina.
    to Medina
    · Texas Laws 1873, 13th leg., ch. 21/p. 32

Land and parcels

What the maps cover in Bexar

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

Bexar by the Census

Population
2,009,324 2020 Census count
Housing units
794,173 2020 Census count
Land area
1,240 square miles
Water area
16 square miles
People per sq mi
1,620 population ÷ land area

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

See your own lot on these maps

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Questions

Common questions about Bexar County

When was Bexar County founded?
Bexar County was founded in 1824, and named after Presidio San Antonio de Bexar, Texas.
What is the county seat of Bexar County?
The county seat of Bexar County is San Antonio.
Is there an online parcel map for Bexar County?
Yes. A public source publishes a parcel map of 710,766 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Bexar County's boundary or name changed?
Bexar County was created in 1731. Since then the Atlas of Historical County Boundaries records 28 later changes, chiefly involving Guadalupe County, Medina County and Santa Fe County.
Is my lot in a flood zone?
We do not have flood maps for Bexar 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