Cameron County vs Hidalgo County

Two neighbouring counties in Texas, compared on population, size, income and housing. They share 19 mi of border.

Both outlines are drawn at true relative size. Hidalgo County spans about 82.6 km at its widest.

Side by side

Cameron County, Texas and Hidalgo County, Texas on shared measures. The middle column is the difference, computed from the two figures either side of it.
MeasureCameron CountyDifferenceHidalgo County
Population433,946-52.9%921,549
Change since 20203.0%-2.6 pp5.6%
Land area891.7 sq mi-43.2%1,571 sq mi
Population density487 per sq mi-17.0%587 per sq mi
Median household income$52,601-3.2%$54,338
Median home value$136,500-3.1%$140,900
Median age32.7+7.2%30.5
Households138,433-48.8%270,210
Housing units159,679-48.2%308,556

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. The difference column is computed here: the first county's figure against the second, expressed as a percentage of the second. The change-since-2020 row is the exception: two growth rates differ in percentage points (pp), not percent. Retrieved 30 August 2026.

What the numbers say

  • Hidalgo County holds about 2.1 times the population of Cameron County: 921,549 against 433,946.
  • Hidalgo County covers more ground, at 1,571 square miles against 891.7.
  • Hidalgo County is the more crowded of the two, at 587 people per square mile against 487.
  • Median household income is higher in Hidalgo County, by 1,737 dollars a year.
  • Since 2020, Cameron County has grown by 3.0% and Hidalgo County has grown by 5.6%.
  • They share 19 mi of common border, which the Census Bureau publishes in its county adjacency file and which almost no other county reference presents.

Full pages

Want a different pair? Compare any two of the 3,144 US counties.

Rebuilt from source data 30 August 2026. How these figures are produced.