Postal Codes

77836 ZIP Code

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ZIP code 77836 covers Caldwell, Texas, with a population of about 12,469 and a median household income of $79,567.

Population
12,46929 per square mile
Median age
44.96.2 points above the US average
Median household income
$79,567about the Texas median
Poverty rate
11.8%0.6 points below the US average
Typical home value
$309,301up 0.4% in five years
Median rent
$86935% below the Texas median
Degree or higher
22.3%12.7 points below the US average
Homeownership
83%18 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
259

Where 77836 is

Caldwell, 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

Population12,469
Median age44.9
Family households70.9%
Born outside the US5.1%
Speaks a language other than English at home13.7%
White (non-Hispanic)66.2%
Black (non-Hispanic)9.6%
Asian (non-Hispanic)0.2%
Hispanic or Latino20.8%
Veterans6.7%
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$79,567
Income per person$41,094
Poverty rate11.8%
Households on SNAP or cash assistance12.7%

Household income distribution

Under $10k4.3%
$10–15k2.6%
$15–20k2.5%
$20–25k4.2%
$25–30k5.2%
$30–35k2.2%
$35–40k4.4%
$40–45k4.7%
$45–50k2.4%
$50–60k7.6%
$60–75k7.7%
$75–100k17.2%
$100–125k11.8%
$125–150k6.4%
$150–200k8.9%
$200k or more7.9%

Income as declared to the IRS

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

Tax returns filed5,620
Mean adjusted gross income$80,348
Returns declaring $200,000 or more4.8%
Returns, under $25k30.1%
Returns, $25k–$50k23.8%
Returns, $50k–$75k14.6%
Returns, $75k–$100k10.3%
Returns, $100k–$200k16.4%
Returns, $200k or more4.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$199,000
Median gross rent$869
Rent as a share of household income25.4%
Owner-occupied83%
Vacant homes14.8%
Median year built1992

What the homes are

Detached house66.5%
Attached house0.9%
2 to 4 units3.2%
5 to 19 units1.6%
Mobile home26.8%
Boat, RV or van1.1%
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$309,301as of 2026-07
Typical home value, 1 yearup 0.2%
Typical home value, 5 yearsup 0.4%
Typical home value, 10 yearsup 47.7%
Typical home value since 2000
201020182026$340,132$161,162

$167,377 in 2010 to $309,301 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.8%
Bachelor's degree or higher22.3%
High school diploma or higher86%
Works from home13.3%
Drives to work alone76%
Takes public transport0%
Commutes 45 minutes or more19.6%
Health

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

Obesity36.1% 2.7 pts above the national average of 33.4%
Diagnosed diabetes14.6% 2.6 pts above the national average of 12%
Currently smokes14.4% 1.2 pts above the national average of 13.2%
High blood pressure40.6% 6.5 pts above the national average of 34.1%
Fair or poor general health23% 2.7 pts above the national average of 20.3%
No health insurance (18–64)15.4% 4.1 pts above the national average of 11.3%
Depression22.2% same as the national average of 21.9%
No leisure-time physical activity29.2% 3.8 pts above the national average of 25.4%
Arthritis29% 3.9 pts above the national average of 25.1%
Binge drinking15.5% 0.5 pts below the national average of 16%
Taking blood pressure medication79.7% 5 pts above the national average of 74.7%
Cancer (non-skin)9.1% 1.4 pts above the national average of 7.7%
Current asthma10.2% same as 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 year76.6% same as the national average of 76.7%
Cholesterol screening87.2% 1.3 pts above the national average of 85.9%
Cognitive disability15% same as the national average of 14.8%
Colorectal screening62.6% 1.7 pts below the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist56.5% 4.8 pts below the national average of 61.3%
Any disability34.4% 3.7 pts above the national average of 30.7%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol40% 3.8 pts above the national average of 36.2%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Mammography use71.8% 4.1 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability17.4% 3.4 pts above the national average of 14%
Poor physical health (14+ days)15% 1.5 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Sleeps under 7 hours36.3% same as the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost13.8% 0.8 pts above the national average of 13%
Vision disability6.1% 0.5 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments259
People employed2,709
Annual payroll$142,918,000
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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 45.2% of US census tracts
FEMA ratingVery Low to Relatively High across the 7 census tracts this ZIP code covers
Expected annual loss35.1 out of 100
Community resilience25.1 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.

Drought87.3Relatively High at its worst in this ZIP code
Hail82.4Relatively High at its worst in this ZIP code
Cold wave79.6Relatively High at its worst in this ZIP code
Wildfire79.5Relatively Low at its worst in this ZIP code
Hurricane77.5Relatively Moderate at its worst in this ZIP code
Ice storm74.4Relatively Moderate at its worst in this ZIP code
Strong wind72.9Relatively Moderate at its worst in this ZIP code
Landslide63.3Very Low at its worst in this ZIP code
Winter weather62.8Relatively Moderate at its worst in this ZIP code
Lightning61.2Very High at its worst in this ZIP code
Tornado60.5Very High at its worst in this ZIP code
Heat wave51.8Relatively Moderate at its worst in this ZIP code
River flooding49.5Relatively Moderate at its worst in this ZIP code
Earthquake12.5Very 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$79,567$76,292$78,538
Income per person$41,094$39,446$43,289
Poverty rate11.8%13.8%12.4%
Median home value$199,000$260,400$303,400
Median gross rent$869$1,339$1,348
Homeownership83%62.6%65%
Bachelor's degree or higher22.3%33.1%35%
Unemployment rate1.8%5.1%5.2%
Works from home13.3%12.8%13.5%
Born outside the US5.1%17.2%13.9%
Median age44.935.538.7
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 stationSOMERVILLE DAM, TX US27.2 km away
Rain in a year41 in

Average high and low by month

January62.4°F / 34.7°F3.17 in rain
February65.9°F / 38.9°F2.92 in rain
March72.8°F / 45.6°F3.22 in rain
April79.8°F / 52.7°F3.33 in rain
May86.9°F / 61.5°F4.73 in rain
June93.3°F / 68.2°F3.94 in rain
July96.6°F / 70.4°F1.88 in rain
August97.8°F / 70°F2.81 in rain
September92.1°F / 64.1°F3.41 in rain
October83.4°F / 53.1°F4.34 in rain
November72.3°F / 44.2°F3.55 in rain
December64.4°F / 36.8°F3.65 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 supermarket2% of this ZIP code's area
Far from a supermarket2% 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%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Caldwell Independent School District83.2% of this ZIP code's land area
Snook Independent School District9.5% of this ZIP code's land area
Somerville Independent School District5.3% of this ZIP code's land area
Gause Independent School District2.1% 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 status41more vulnerable than 41% of US census tracts
Household characteristics51more vulnerable than 51% of US census tracts
Racial and ethnic minority status51more vulnerable than 51% of US census tracts
Housing type and transport29more vulnerable than 29% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

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

77838 Chriesman, TX9.4 km away
77852 Deanville, TX11.6 km away
77863 Lyons, TX21.5 km away
77879 Somerville, TX21.8 km away
77853 Dime Box, TX21.9 km away
77878 Snook, TX23.4 km away
77867 Mumford, TX26.9 km away
77807 Bryan, TX27.4 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.

Burleson County97.9% of this ZIP code's land area
Milam County2.1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area431.12 sq mi
Water area5.92 sq mi
Population density29 people per sq mi
Latitude, longitude30.5298, -96.7143

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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