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Zip Code 77991 — Vanderbilt, TX

ZIP Code 77991 is associated with Vanderbilt, TX, in Jackson County. The listed population estimate is 440; estimated density is 16.0 people per square mile. Among records with population estimates, it ranks #4 of 7 in Jackson County and #1621 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (28.786600, -96.594670)

Data MetricLocal Statistic
Postal / Zip Code77991
Primary CityVanderbilt
State / ProvinceTX
CountyJackson
Total Population440
Population Density16.0 people/sq mi
TimezoneAmerica/Chicago

How 77991 Compares

MetricZIP 77991Jackson County recordsTX records
Population estimate44014,103 (sum)30,188,035 (sum)
Population Density16.0 /sq mi----
County population rank#4 of 7----
State population rank#1621 of 1,924----

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

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Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 77969La Salle3.3 mi84
ZIP 77971Lolita5.4 mi744
ZIP 77978Point Comfort6.6 mi304
ZIP 77970La Ward10.7 mi217
ZIP 77979Port Lavaca12.7 mi16,488

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 →