Postal Codes

76637 ZIP Code

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ZIP code 76637 covers Cranfills Gap, Texas, with a population of about 463 and a median household income of $75,909.

Population
46313 per square mile
Median age
46.37.6 points above the US average
Median household income
$75,909about the Texas median
Poverty rate
8.1%4.3 points below the US average
Typical home value
$322,508
Median rent
$84237% below the Texas median
Degree or higher
24%11 points below the US average
Homeownership
68.8%3.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
12

Where 76637 is

Cranfills Gap, 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

Population463
Median age46.3
Family households61.1%
Born outside the US1.5%
Speaks a language other than English at home6.5%
White (non-Hispanic)86.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.2%
Hispanic or Latino6.9%
Veterans11.9%
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$75,909
Income per person$33,230
Poverty rate8.1%
Households on SNAP or cash assistance14.9%

Household income distribution

Under $10k1.0%
$10–15k1.9%
$15–20k3.4%
$20–25k4.3%
$25–30k10.6%
$30–35k2.4%
$35–40k1.0%
$40–45k0.5%
$45–50k13.0%
$50–60k4.8%
$60–75k5.3%
$75–100k15.9%
$100–125k22.6%
$125–150k5.3%
$150–200k4.8%
$200k or more3.4%

Income as declared to the IRS

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

Tax returns filed230
Mean adjusted gross income$79,330
Returns declaring $200,000 or more0%
Returns, under $25k26.1%
Returns, $25k–$50k26.1%
Returns, $50k–$75k17.4%
Returns, $75k–$100k8.7%
Returns, $100k–$200k21.7%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$842
Rent as a share of household income16.3%
Owner-occupied68.8%
Vacant homes19.4%
Median year built1967

What the homes are

Detached house86%
Attached house1.6%
2 to 4 units5.4%
Mobile home7%
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$322,508as of 2026-07
Typical home value, 1 yearup 2%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.5%
Bachelor's degree or higher24%
High school diploma or higher89.7%
Works from home16.1%
Drives to work alone82.8%
Takes public transport0%
Commutes 45 minutes or more28.8%
Health

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

Obesity32.6% 0.8 pts below the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes11.4% 1.8 pts below the national average of 13.2%
High blood pressure38.9% 4.8 pts above the national average of 34.1%
Fair or poor general health17.9% 2.4 pts below the national average of 20.3%
No health insurance (18–64)10% 1.3 pts below the national average of 11.3%
Depression21.9% same as the national average of 21.9%
No leisure-time physical activity23.2% 2.2 pts below the national average of 25.4%
Arthritis30.5% 5.4 pts above the national average of 25.1%
Binge drinking15.9% same as the national average of 16%
Taking blood pressure medication81.1% 6.4 pts above the national average of 74.7%
Cancer (non-skin)11.5% 3.8 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening90% 4.1 pts above the national average of 85.9%
Cognitive disability12.1% 2.7 pts below the national average of 14.8%
Colorectal screening70.3% 6 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist63.8% 2.5 pts above the national average of 61.3%
Any disability31.1% same as the national average of 30.7%
Hearing disability8.9% 2.2 pts above the national average of 6.7%
High cholesterol41% 4.8 pts above the national average of 36.2%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Mammography use74.4% 1.5 pts below the national average of 75.9%
Poor mental health (14+ days)14.7% 2.1 pts below the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours33.3% 3.1 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost11.3% 1.7 pts below the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed42
Annual payroll$1,737,000
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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 79.6% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss71.8 out of 100
Community resilience27.5 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.

Wildfire97.2Relatively High at its worst in this ZIP code
Drought94.6Relatively Moderate at its worst in this ZIP code
Lightning93.2Very High at its worst in this ZIP code
Tornado93.2Very High at its worst in this ZIP code
Hail90.4Relatively High at its worst in this ZIP code
Cold wave83.4Relatively High at its worst in this ZIP code
River flooding78.5Relatively High at its worst in this ZIP code
Strong wind78.5Relatively High at its worst in this ZIP code
Landslide71.9Very Low at its worst in this ZIP code
Heat wave66.5Relatively Moderate at its worst in this ZIP code
Hurricane63.6Relatively Low at its worst in this ZIP code
Winter weather60.3Relatively High at its worst in this ZIP code
Ice storm46.1Relatively Low at its worst in this ZIP code
Earthquake15.1Very 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$75,909$76,292$78,538
Income per person$33,230$39,446$43,289
Poverty rate8.1%13.8%12.4%
Median home value$260,400$303,400
Median gross rent$842$1,339$1,348
Homeownership68.8%62.6%65%
Bachelor's degree or higher24%33.1%35%
Unemployment rate6.5%5.1%5.2%
Works from home16.1%12.8%13.5%
Born outside the US1.5%17.2%13.9%
Median age46.335.538.7
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 stationHICO, TX US33.4 km away
Rain in a year36 in

Average high and low by month

January58.6°F / 31.5°F2.4 in rain
February61.7°F / 35.2°F2.81 in rain
March69.2°F / 43°F3.02 in rain
April77.1°F / 51.3°F3.12 in rain
May83.2°F / 60.9°F4.39 in rain
June90.8°F / 69.2°F4.77 in rain
July94.4°F / 71.7°F2.06 in rain
August95.5°F / 70.6°F2.73 in rain
September87.6°F / 63.2°F2.72 in rain
October78.4°F / 52.2°F3.81 in rain
November67.5°F / 41.9°F2.2 in rain
December59.3°F / 33°F2.14 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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Cranfills Gap Independent School District72.8% of this ZIP code's land area
Hamilton Independent School District26.8% 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 vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics61more vulnerable than 61% of US census tracts
Racial and ethnic minority status27more vulnerable than 27% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

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

76538 Jonesboro, TX21.2 km away
76665 Meridian, TX25.5 km away
76649 Iredell, TX25.7 km away
76634 Clifton, TX27.9 km away
76531 Hamilton, TX29.6 km away
76457 Hico, TX31 km away
76689 Valley Mills, TX31.6 km away
76599 Gatesville, TX31.8 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.

Bosque County56.6% of this ZIP code's land area
Hamilton County43.4% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area34.58 sq mi
Water area0.2 sq mi
Population density13 people per sq mi
Latitude, longitude31.7486, -97.8113

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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