Postal Codes

77378 ZIP Code

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ZIP code 77378 covers Willis, Texas, with a population of about 17,576 and a median household income of $68,595.

Population
17,576197 per square mile
Median age
39.50.8 points above the US average
Median household income
$68,59510% below the Texas median
Poverty rate
14.4%2 points above the US average
Typical home value
$245,653up 7.4% in five years
Median rent
$1,4081.1× the Texas median
Degree or higher
18.3%16.7 points below the US average
Homeownership
71.5%6.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
264

Where 77378 is

Willis, 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

Population17,576
Median age39.5
Family households69.2%
Born outside the US12.3%
Speaks a language other than English at home19.9%
White (non-Hispanic)58.4%
Black (non-Hispanic)6.5%
Asian (non-Hispanic)0.1%
Hispanic or Latino32.2%
Veterans4.7%
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$68,595
Income per person$33,162
Poverty rate14.4%
Households on SNAP or cash assistance13.7%

Household income distribution

Under $10k7.3%
$10–15k0.9%
$15–20k2.7%
$20–25k1.8%
$25–30k1.3%
$30–35k9.9%
$35–40k5.5%
$40–45k3.2%
$45–50k1.9%
$50–60k5.3%
$60–75k17.6%
$75–100k12.7%
$100–125k11.9%
$125–150k4.0%
$150–200k6.2%
$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 filed8,770
Mean adjusted gross income$71,664
Returns declaring $200,000 or more4.1%
Returns, under $25k31.4%
Returns, $25k–$50k27.3%
Returns, $50k–$75k14.8%
Returns, $75k–$100k9.5%
Returns, $100k–$200k13.0%
Returns, $200k or more4.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$177,900
Median gross rent$1,408
Rent as a share of household income30.7%
Owner-occupied71.5%
Vacant homes3.9%
Median year built1998

What the homes are

Detached house66.7%
Attached house1.6%
2 to 4 units3%
5 to 19 units1.1%
Mobile home27%
Boat, RV or van0.5%
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$245,653as of 2026-07
Typical home value, 1 yeardown 1.4%
Typical home value, 5 yearsup 7.4%
Typical home value, 10 yearsup 48.3%
Typical asking rent$1,751as of 2026-07
Typical asking rent, 1 yearup 0.4%
Typical home value since 2000
200020132026$269,641$94,849

$95,282 in 2000 to $245,653 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.9%
Bachelor's degree or higher18.3%
High school diploma or higher81%
Works from home11.6%
Drives to work alone66.3%
Takes public transport0%
Commutes 45 minutes or more29.7%
Health

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

Obesity35.7% 2.3 pts above the national average of 33.4%
Diagnosed diabetes13.3% 1.3 pts above the national average of 12%
Currently smokes15.9% 2.7 pts above the national average of 13.2%
High blood pressure34.3% same as the national average of 34.1%
Fair or poor general health24.1% 3.8 pts above the national average of 20.3%
No health insurance (18–64)20.5% 9.2 pts above the national average of 11.3%
Depression23.1% 1.2 pts above the national average of 21.9%
No leisure-time physical activity29.6% 4.2 pts above the national average of 25.4%
Arthritis24.4% 0.7 pts below the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication74.5% same as the national average of 74.7%
Cancer (non-skin)6.5% 1.2 pts below the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year72.4% 4.3 pts below the national average of 76.7%
Cholesterol screening83.4% 2.5 pts below the national average of 85.9%
Cognitive disability17.3% 2.5 pts above the national average of 14.8%
Colorectal screening58.5% 5.8 pts below the national average of 64.3%
COPD7.3% 0.7 pts above the national average of 6.6%
Visited a dentist50.9% 10.4 pts below the national average of 61.3%
Any disability33.5% 2.8 pts above the national average of 30.7%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol36.8% 0.6 pts above the national average of 36.2%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Mammography use73.4% 2.5 pts below the national average of 75.9%
Poor mental health (14+ days)19% 2.2 pts above the national average of 16.8%
Mobility disability15.5% 1.5 pts above the national average of 14%
Poor physical health (14+ days)14.9% 1.4 pts above the national average of 13.5%
Self-care disability4.6% 0.6 pts above the national average of 4%
Sleeps under 7 hours40.8% 4.4 pts above the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost15.9% 2.9 pts above the national average of 13%
Vision disability6.6% 1 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments264
People employed2,782
Annual payroll$125,075,000
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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 54.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 8 census tracts this ZIP code covers
Expected annual loss50 out of 100
Community resilience18.4 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.

Lightning93.4Very High at its worst in this ZIP code
Tornado93.2Very High at its worst in this ZIP code
Wildfire85.7Relatively Moderate at its worst in this ZIP code
Hurricane77Relatively Moderate at its worst in this ZIP code
Cold wave75.3Relatively High at its worst in this ZIP code
Ice storm69.6Relatively Moderate at its worst in this ZIP code
Heat wave61.4Relatively Moderate at its worst in this ZIP code
Hail58.9Relatively Moderate at its worst in this ZIP code
Strong wind58.6Relatively Moderate at its worst in this ZIP code
Landslide52Very Low at its worst in this ZIP code
River flooding45.8Relatively Moderate at its worst in this ZIP code
Winter weather34.3Relatively Moderate at its worst in this ZIP code
Earthquake10.7Very 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$68,595$76,292$78,538
Income per person$33,162$39,446$43,289
Poverty rate14.4%13.8%12.4%
Median home value$177,900$260,400$303,400
Median gross rent$1,408$1,339$1,348
Homeownership71.5%62.6%65%
Bachelor's degree or higher18.3%33.1%35%
Unemployment rate6.9%5.1%5.2%
Works from home11.6%12.8%13.5%
Born outside the US12.3%17.2%13.9%
Median age39.535.538.7
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 stationCONROE MONTGOMERY CO AP, TX US10.3 km away
Rain in a year48 in

Average high and low by month

January62.3°F / 39.3°F4.25 in rain
February66°F / 43°F2.94 in rain
March73.1°F / 48.9°F2.99 in rain
April78.8°F / 55.2°F3.1 in rain
May85.9°F / 63.7°F4.79 in rain
June91.3°F / 69.9°F4.42 in rain
July93.6°F / 72.1°F3.15 in rain
August94.5°F / 71.6°F3.85 in rain
September89.6°F / 66.4°F3.6 in rain
October81.6°F / 56.3°F5.52 in rain
November70.7°F / 46.7°F5.13 in rain
December63.7°F / 40.9°F3.91 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 3 school districts, so the address decides which one, not the ZIP code.

Willis Independent School District83.2% of this ZIP code's land area
Coldspring-Oakhurst Consolidated Independent School District15% of this ZIP code's land area
Conroe Independent School District1.8% 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 vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status57more vulnerable than 57% of US census tracts
Household characteristics46more vulnerable than 46% of US census tracts
Racial and ethnic minority status43more vulnerable than 43% of US census tracts
Housing type and transport49more vulnerable than 49% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

77318 Willis, TX8.5 km away
77303 Conroe, TX10.1 km away
77358 New Waverly, TX10.2 km away
77393 Spring, TX12.9 km away
77301 Conroe, TX14.6 km away
77304 Conroe, TX15.5 km away
77305 Conroe, TX18.3 km away
77316 Montgomery, TX24.5 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.

Montgomery County60.5% of this ZIP code's land area
San Jacinto County39.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area89.11 sq mi
Water area0.5 sq mi
Population density197 people per sq mi
Latitude, longitude30.4441, -95.4506

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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