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El Castillo, Texas

Census designated place in Starr County, Texas · ZIP 78582

  • Starr County
  • Census data · ACS 2019-2023
  • 307 (2019-2023 estimate)Population
  • 104Households
  • 1ZIP codes

About El Castillo

This page shows only what has been published about El Castillo: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2010 to 2020+16.5%
1802002202010: 18820102020: 2192020188219
Population of El Castillo at each census
CensusPopulation
2010188
2020219

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2010 Summary File 1: total population, place level, state 48, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 48, retrieved November 14, 2026.

Household income in El Castillo
Under $50k71.2%
$50k to $100k0%
$100k to $150k28.8%
$150k to $200k0%
$200k and over0%

Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 48, retrieved November 14, 2026.

Housing tenure in El Castillo
Owner occupied
30 units
Renter occupied
74 units
Vacancy rate
0%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 48, retrieved November 14, 2026.

El Castillo compared with its county and state
El Castillo compared with its county and state, American Community Survey 2019-2023
MeasureEl CastilloStarr CountyTexas
Population30765,80929,640,343
Median household incomeNot available$38,182$76,292
Median age18.829.135.5
Median home valueNot available$93,300$260,400
Bachelor’s degree or higher0.0%13.3%33.1%
Foreign-born residents0.0%27.5%17.2%
Owner-occupied homes28.8%71.6%62.6%
Mean commute to workNot available24.4 minutes26.7 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 48, retrieved November 14, 2026.

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Schools

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Frequently asked about El CastilloPromoted from questions people asked

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Nearby towns

Other towns in Starr County

All towns in Starr County