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Zip Code 78656 — Maxwell, TX

78656 is a ZIP Code associated with Maxwell, TX, located within Caldwell. The postal region supports an estimated population of 2,847 residents across Data Pending housing units, with a population density of 38.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (29.902750, -97.808900)

Data MetricLocal Statistic
Postal / Zip Code78656
Primary CityMaxwell
State / ProvinceTX
CountyCaldwell
Total Population2,847
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density38.7 people/sq mi
TimezoneAmerica/Chicago

How 78656 Compares

MetricZIP 78656Caldwell CountyTX State Average
Population2,84748,63730,188,035
Median IncomeData PendingN/AN/A
Population Density38.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 78655Martindale5.7 mi3,730N/A
Zip 78640Kyle6.5 mi77,531N/A
Zip 78644Lockhart8.4 mi22,348N/A
Zip 78622Fentress9.2 mi331N/A
Zip 78670Staples9.9 mi130N/A

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 →