Zip Code 78543 — Elsa, TX

ZIP Code 78543 is associated with Elsa, TX, in Hidalgo County. The listed population estimate is 8,400; estimated density is 510.2 people per square mile. Among records with population estimates, it ranks #20 of 28 in Hidalgo County and #869 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (26.301170, -98.005080)

Data MetricLocal Statistic
Postal / Zip Code78543
Primary CityElsa
State / ProvinceTX
CountyHidalgo
Total Population8,400
Population Density510.2 people/sq mi
TimezoneAmerica/Chicago

How 78543 Compares

MetricZIP 78543Hidalgo County recordsTX records
Population estimate8,400891,915 (sum)30,188,035 (sum)
Population Density510.2 /sq mi----
County population rank#20 of 28----
State population rank#869 of 1,924----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 78558La Blanca1.3 mi722
ZIP 78538Edcouch5.1 mi11,982
ZIP 78599Weslaco5.8 mi35,454
ZIP 78562La Villa7.0 mi3,211
ZIP 78537Donna9.4 mi51,426

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →