Postal Codes

78655 ZIP Code

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ZIP code 78655 covers Martindale, Texas, with a population of about 3,687 and a median household income of $48,409.

Population
3,687129 per square mile
Median age
46.67.9 points above the US average
Median household income
$48,40937% below the Texas median
Poverty rate
17.7%5.3 points above the US average
Typical home value
$337,340up 7.5% in five years
Median rent
$1,01224% below the Texas median
Degree or higher
20.5%14.5 points below the US average
Homeownership
64%1 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
40

Where 78655 is

Martindale, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,687
Median age46.6
Family households61.1%
Born outside the US16.2%
Speaks a language other than English at home33.9%
White (non-Hispanic)32.9%
Black (non-Hispanic)1%
Asian (non-Hispanic)0.5%
Hispanic or Latino61.3%
Veterans7.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$48,409
Income per person$30,270
Poverty rate17.7%
Households on SNAP or cash assistance15%

Household income distribution

Under $10k2.0%
$10–15k1.7%
$15–20k1.3%
$20–25k0.0%
$25–30k6.1%
$30–35k16.0%
$35–40k13.6%
$40–45k6.8%
$45–50k3.8%
$50–60k5.4%
$60–75k7.4%
$75–100k13.6%
$100–125k7.0%
$125–150k2.7%
$150–200k5.6%
$200k or more6.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,350
Mean adjusted gross income$69,299
Returns declaring $200,000 or more5.2%
Returns, under $25k28.9%
Returns, $25k–$50k27.4%
Returns, $50k–$75k16.3%
Returns, $75k–$100k8.9%
Returns, $100k–$200k13.3%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$223,000
Median gross rent$1,012
Rent as a share of household income30.9%
Owner-occupied64%
Vacant homes4.6%
Median year built1992

What the homes are

Detached house59.7%
Attached house0.5%
2 to 4 units3.8%
5 to 19 units2.9%
Mobile home28.6%
Boat, RV or van4.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$337,340as of 2026-07
Typical home value, 1 yeardown 1.9%
Typical home value, 5 yearsup 7.5%
Typical home value, 10 yearsup 72.5%
Typical home value since 2000
200920172026$380,291$150,701

$156,969 in 2009 to $337,340 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate13.5%
Bachelor's degree or higher20.5%
High school diploma or higher77.9%
Works from home4.4%
Drives to work alone84.9%
Takes public transport0%
Commutes 45 minutes or more27.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity44.3% 10.9 pts above the national average of 33.4%
Diagnosed diabetes18.7% 6.7 pts above the national average of 12%
Currently smokes18.6% 5.4 pts above the national average of 13.2%
High blood pressure40.1% 6 pts above the national average of 34.1%
Fair or poor general health33.3% 13 pts above the national average of 20.3%
No health insurance (18–64)28.8% 17.5 pts above the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity38.9% 13.5 pts above the national average of 25.4%
Arthritis28.1% 3 pts above the national average of 25.1%
Binge drinking15.3% 0.7 pts below the national average of 16%
Taking blood pressure medication77.5% 2.8 pts above the national average of 74.7%
Cancer (non-skin)6.7% 1 pts below the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease8.5% 2.3 pts above the national average of 6.2%
Routine check-up in past year74.1% 2.6 pts below the national average of 76.7%
Cholesterol screening82.7% 3.2 pts below the national average of 85.9%
Cognitive disability19.7% 4.9 pts above the national average of 14.8%
Colorectal screening53.3% 11 pts below the national average of 64.3%
COPD9.6% 3 pts above the national average of 6.6%
Visited a dentist44.5% 16.8 pts below the national average of 61.3%
Any disability41.1% 10.4 pts above the national average of 30.7%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol39.8% 3.6 pts above the national average of 36.2%
Independent living disability12.3% 3.9 pts above the national average of 8.4%
Mammography use66.8% 9.1 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability22.2% 8.2 pts above the national average of 14%
Poor physical health (14+ days)18.8% 5.3 pts above the national average of 13.5%
Self-care disability7.1% 3.1 pts above the national average of 4%
Sleeps under 7 hours38.2% 1.8 pts above the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost19.2% 6.2 pts above the national average of 13%
Vision disability10.5% 4.9 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments40
People employed186
Annual payroll$6,021,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 90.9% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 4 census tracts this ZIP code covers
Expected annual loss89.2 out of 100
Community resilience19.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought97.2Relatively High at its worst in this ZIP code
River flooding96.4Very High at its worst in this ZIP code
Hail91.1Relatively High at its worst in this ZIP code
Tornado88.4Relatively High at its worst in this ZIP code
Wildfire85.4Relatively Low at its worst in this ZIP code
Lightning82.1Relatively High at its worst in this ZIP code
Strong wind80.9Relatively High at its worst in this ZIP code
Winter weather78.8Relatively High at its worst in this ZIP code
Heat wave75.2Relatively Moderate at its worst in this ZIP code
Cold wave62.6Relatively Moderate at its worst in this ZIP code
Landslide57.4Very Low at its worst in this ZIP code
Hurricane56.9Relatively Low at its worst in this ZIP code
Ice storm50.2Relatively Low at its worst in this ZIP code
Earthquake7.7Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$48,409$76,292$78,538
Income per person$30,270$39,446$43,289
Poverty rate17.7%13.8%12.4%
Median home value$223,000$260,400$303,400
Median gross rent$1,012$1,339$1,348
Homeownership64%62.6%65%
Bachelor's degree or higher20.5%33.1%35%
Unemployment rate13.5%5.1%5.2%
Works from home4.4%12.8%13.5%
Born outside the US16.2%17.2%13.9%
Median age46.635.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAN MARCOS, TX US10.7 km away
Rain in a year37 in

Average high and low by month

January62.3°F / 38.9°F2.41 in rain
February66.6°F / 42.4°F1.73 in rain
March73.1°F / 49.5°F2.76 in rain
April79.8°F / 56.3°F3.2 in rain
May86.2°F / 64.9°F4.53 in rain
June92.4°F / 71.7°F3.57 in rain
July95.7°F / 73.4°F2.21 in rain
August96.8°F / 73.7°F2.6 in rain
September90.5°F / 68.5°F4.03 in rain
October82.1°F / 58.1°F4.41 in rain
November71.5°F / 48.3°F2.69 in rain
December63.7°F / 40.8°F2.41 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket15% of this ZIP code's area
Far from a supermarket15% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

San Marcos Consolidated Independent School District99% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability75more vulnerable than 75% of US census tracts
Socioeconomic status69more vulnerable than 69% of US census tracts
Household characteristics46more vulnerable than 46% of US census tracts
Racial and ethnic minority status73more vulnerable than 73% of US census tracts
Housing type and transport80more vulnerable than 80% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

78656 Maxwell, TX7.1 km away
78670 Staples, TX8.3 km away
78666 San Marcos, TX9.5 km away
78622 Fentress, TX11.7 km away
78661 Prairie Lea, TX16.4 km away
78640 Kyle, TX17.6 km away
78644 Lockhart, TX17.6 km away
78638 Kingsbury, TX18.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Caldwell County60% of this ZIP code's land area
Guadalupe County40% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area28.68 sq mi
Water area0.23 sq mi
Population density129 people per sq mi
Latitude, longitude29.8394, -97.8508

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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