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County · code 48131

Duval CountyTexas

Duval County is a county in Texas with its seat in San Diego, formed in 1858.

  • Founded1858
  • County seatSan Diego
  • Named forBurr H. Duval
  • Land area1,793 sq mi + 2.1 sq mi water
  • Population9,831 2020 Census
  • Parcels mapped14,772 checked 14 October 2026
Open the free map Click any parcel in Duval County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Jim WellsJim HoggMcMullenBrooksWebbLa Salle San Diego Census outline · seat marked

Where it is

Duval 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 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 CountyDuval County Duval
Counties of Texas · Duval highlighted

History

Formed in 1858 from Live Oak County and Nueces County

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

Duval County was created in 1858 from Live Oak and Nueces Counties. The county was named after Burr H. Duval. Duval was not fully organized until 1876, when it was detached from Nueces County for judicial purposes. The county lost land in 1913 with the creation of Jim Hogg County.

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

  1. 1858
    Duval County created Duval created from Live Oak and Nueces; Duval not fully organized.
    from Live Oakfrom Nueces
    · Texas Laws 1857, 7th leg., ch. 75, sec. 23/p. 91
  2. 1862
    Lost territory Duval lost to McMullen (act repealed 4 December 1863).
    to McMullen
    · Texas Laws 1861, 9th leg., reg. sess., ch. 30/pp. 27-29
  3. 1863
    Gained territory Duval gained from McMullen (repealed act of 3 January 1862).
    from McMullen
    · Texas Laws 1863, 10th leg., reg. sess., spec., ch. 8/p. 5
  4. 1870
    Gained territory Duval gained from Starr and Zapata.
    from Starrfrom Zapata
    · Texas Laws 1870, 12th leg., called sess., ch. 27/p. 40
  5. 1913
    Lost territory Duval lost to creation of Jim Hogg.
    to Jim Hogg
    · Texas Laws 1913, 33d leg., reg. sess., ch. 73/pp. 133-136
Show all 9 changes (4 more)
  1. 1858
    Duval County created Duval created from Live Oak and Nueces; Duval not fully organized.
    from Live Oakfrom Nueces
    · Texas Laws 1857, 7th leg., ch. 75, sec. 23/p. 91
  2. 1860
    Changed Duval attached to Nueces "for all judicial purposes."
    Nueces
    · Texas Laws 1859, 8th leg., reg. sess., gen., ch. 87, sec. 7/p. 120
  3. 1862
    Lost territory Duval lost to McMullen (act repealed 4 December 1863).
    to McMullen
    · Texas Laws 1861, 9th leg., reg. sess., ch. 30/pp. 27-29
  4. 1863
    Gained territory Duval gained from McMullen (repealed act of 3 January 1862).
    from McMullen
    · Texas Laws 1863, 10th leg., reg. sess., spec., ch. 8/p. 5
  5. 1870
    Gained territory Duval gained from Starr and Zapata.
    from Starrfrom Zapata
    · Texas Laws 1870, 12th leg., called sess., ch. 27/p. 40
  6. 1876
    Changed Duval fully organized, detached from Nueces.
    Nueces
    · Kennedy, 86
  7. 1913
    Lost territory Duval lost to creation of Jim Hogg.
    to Jim Hogg
    · Texas Laws 1913, 33d leg., reg. sess., ch. 73/pp. 133-136
  8. 1913
    Changed Legislature authorized Duval to lose to creation of Dunn (proposed); creation did not take effect. Act was declared unconstitutional by Court of Civil Appeals of Texas, 8 April 1914.
    Dunn
    · Texas Laws 1913, 33d leg., 1st called sess., ch. 35/pp. 86-89; "Woods et al. v. Ball et al.," in SW Rptr., 1st ser., 166:4-7
  9. 1917
    Lost territory Duval lost to Jim Hogg.
    to Jim Hogg
    · Texas Laws 1917, 35th leg., reg. sess., ch. 47/pp. 81-85

Land and parcels

What the maps cover in Duval

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

Duval by the Census

Population
9,831 2020 Census count
Housing units
4,396 2020 Census count
Land area
1,793 square miles
Water area
2.1 square miles
People per sq mi
5 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.

Records

County government

See your own lot on these maps

Open Duval 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 Duval County

When was Duval County founded?
Duval County was founded in 1858, formed from Live Oak County and Nueces County, and named after Burr H. Duval.
What is the county seat of Duval County?
The county seat of Duval County is San Diego.
Is there an online parcel map for Duval County?
Yes. A public source publishes a parcel map of 14,772 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Duval County's boundary or name changed?
Duval County was created in 1858 from Live Oak County and Nueces County. Since then the Atlas of Historical County Boundaries records 8 later changes, chiefly involving Jim Hogg County, McMullen County and Nueces County.
Is my lot in a flood zone?
We do not have flood maps for Duval 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