Zip Code 75670 — Marshall, TX

ZIP Code 75670 is associated with Marshall, TX, in Harrison County. The listed population estimate is 18,670; estimated density is 56.5 people per square mile. Among records with population estimates, it ranks #2 of 9 in Harrison County and #608 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (32.564560, -94.423260)

Data MetricLocal Statistic
Postal / Zip Code75670
Primary CityMarshall
State / ProvinceTX
CountyHarrison
Total Population18,670
Population Density56.5 people/sq mi
TimezoneAmerica/Chicago

How 75670 Compares

MetricZIP 75670Harrison County recordsTX records
Population estimate18,67082,526 (sum)30,188,035 (sum)
Population Density56.5 /sq mi----
County population rank#2 of 9----
State population rank#608 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 75694Woodlawn6.9 miN/A
ZIP 75671Marshall8.2 miN/A
ZIP 75650Hallsville8.3 mi10,703
ZIP 75651Harleton9.6 mi1,871
ZIP 75672Marshall10.0 mi16,509

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 →