Zip Code 76687 — Thornton, TX

ZIP Code 76687 is associated with Thornton, TX, in Limestone County. The listed population estimate is 1,830; estimated density is 5.4 people per square mile. Among records with population estimates, it ranks #4 of 8 in Limestone County and #1293 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (31.369140, -96.486910)

Data MetricLocal Statistic
Postal / Zip Code76687
Primary CityThornton
State / ProvinceTX
CountyLimestone
Total Population1,830
Population Density5.4 people/sq mi
TimezoneAmerica/Chicago

How 76687 Compares

MetricZIP 76687Limestone County recordsTX records
Population estimate1,83024,820 (sum)30,188,035 (sum)
Population Density5.4 /sq mi----
County population rank#4 of 8----
State population rank#1293 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 76653Kosse8.5 mi1,067
ZIP 76642Groesbeck9.7 mi6,363
ZIP 75838Donie17.0 mi209
ZIP 76629Bremond18.0 mi2,053
ZIP 75846Jewett18.1 mi2,741

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 →