77318 ZIP Code — Willis, TX

Montgomery County, Texas

ZIP code 77318 is located in Willis, Texas, within Montgomery County. It covers approximately 37.04 square miles and serves a population of 19,127 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 936.

About ZIP code 77318

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $265,500. Owner-occupancy is high at 80%, well above the national average.

The gap between median ($88,162) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

Overall, ZIP code 77318 reflects a community defined by high homeownership and a significant Social Security-dependent population.

19,127

population

37.04

sq mi land

Standard

ZIP type

Central (CT)

timezone

77318 ZIP code map

Cities in ZIP code 77318

Below are the cities the US Postal Service accepts for ZIP code 77318. Using any city not on this list may result in mail delivery delays.

City	Status
Willis	Acceptable
Willis	Preferred

Nearby ZIP codes

77304 Conroe (8.1 mi) 77378 Willis (9.4 mi) 77356 Montgomery (9.8 mi) 77303 Conroe (10.6 mi) 77358 New Waverly (11.3 mi) 77301 Conroe (11.3 mi) 77316 Montgomery (11.9 mi) 77340 Huntsville (13.3 mi) 77384 Conroe (14.7 mi) 77382 Spring (16.5 mi) 77873 Richards (17.4 mi) 77354 Magnolia (17.4 mi)

Demographics updated 07/2026

Population
Total population	19,127
Population density	516 / sq mi
State FIPS	48
County FIPS	339

Geography
Land area	37.04 sq mi
Water area	11.97 sq mi
Latitude	30.4387
Longitude	-95.5400
Timezone	Central (CT)
Area code	936

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.9%	28.9%	39.5%
$50k – $100k	28.1%	28.4%	30.1%
$100k – $200k	27.2%	28.4%	22.6%
Over $200k	9.8%	14.3%	7.8%

Demographics & statistics

19,127

Population

516

People per sq mi

44.3

Median age

$88,162

Median household income

$43,516

Per capita income

$265,500

Median home value

$1,311

Median monthly rent

79.8%

Home ownership

7.0%

Poverty rate

4.6%

Unemployment

6,949

Housing units

25.6%

Bachelor's or higher

Age distribution

Male Female

612

Under 5

653

402

5–9

429

608

10–14

648

541

15–19

577

363

20–24

388

929

25–34

991

1,261

35–44

1,345

837

45–54

892

646

55–59

688

1,213

60–64

1,294

1,296

65–74

1,381

484

75–84

517

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,960	20.7%
18 and over	15,167	79.3%
65 and over	3,810	19.9%
Median age	44.3 years

Race & ethnicity

White 77.1%

Two or more races 11.9%

Hispanic or Latino 6.3%

Black or African American 2.6%

Asian 1%

Other race 0.9%

American Indian / Alaska Native 0.1%

Group	Count	%
White	15,743	77.1%
Two or more races	2,423	11.9%
Hispanic or Latino	1,294	6.3%
Black or African American	537	2.6%
Asian	211	1%
Other race	192	0.9%
American Indian / Alaska Native	21	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.9%	28.9%	39.5%
$50k – $100k	28.1%	28.4%	30.1%
$100k – $200k	27.2%	28.4%	22.6%
Over $200k	9.8%	14.3%	7.8%

Under $10k 1.5%

$10k–$15k 4.5%

$15k–$25k 4.2%

$25k–$35k 5.5%

$35k–$50k 7.6%

$50k–$75k 14.8%

$75k–$100k 16.6%

$100k–$150k 21.4%

$150k–$200k 10.2%

$200k+ 13.6%

Range	% of households
Under $10k	1.5%
$10k–$15k	4.5%
$15k–$25k	4.2%
$25k–$35k	5.5%
$35k–$50k	7.6%
$50k–$75k	14.8%
$75k–$100k	16.6%
$100k–$150k	21.4%
$150k–$200k	10.2%
$200k+	13.6%
Median income	$88,162

Housing

Home values

Under $50k 8.8%

$50k–$100k 10.3%

$100k–$150k 4.9%

$150k–$200k 8.3%

$200k–$300k 27.3%

$300k–$500k 19.6%

$500k–$1M 18.8%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$265,500
Median rent / month	$1,311
Owner occupied	79.8%
Renter occupied	20.2%
Vacant	14.0%
Single-family detached	73.9%
Large apartment buildings	0.0%
Mobile homes	20.4%
Median rooms	6.0
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	1.8%
2010–2019	17.4%
2000–2009	24.4%
1990–1999	21.2%
1980–1989	16.0%
1970–1979	14.2%
1960–1969	3.3%
1950–1959	0.5%
1940–1949	0.0%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	2.8%
2 bedrooms	17.5%
3 bedrooms	54.6%
4 bedrooms	16.9%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	16.8%
2 vehicles	59.2%
3 or more	22.0%

Heating fuel

Fuel type	%
Utility gas	34.4%
Electricity	57.6%
Propane / LP gas	5.3%
Solar	0.2%
No fuel used	2.2%

Households & families

Household type	Count	%
Married-couple family	5,049	69.8%
Cohabiting couple	436	6.0%
Male householder, no spouse	639	8.8%
Female householder, no spouse	1,111	15.4%
Households with children under 18	1,990	27.5%
Households with seniors (65+)	2,926	40.4%
Average household size	2.64

Marital status

Status	Male	Female
Never married	23.6%	19.3%
Married	66.0%	63.5%
Separated	1.0%	1.7%
Widowed	1.8%	8.1%
Divorced	7.6%	7.4%

Education

Less than 9th grade 1.9%

Some HS, no diploma 8.0%

HS graduate 34.3%

Some college, no degree 20.2%

Associate's degree 10.0%

Bachelor's degree 17.9%

Graduate / professional 7.7%

Metric	%
HS diploma or higher	90.1%
Bachelor's or higher	25.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	43	1.2%
Kindergarten	133	3.7%
Elementary school	1,541	42.4%
High school	1,161	32.0%
College / grad school	754	20.8%

Employment

Industry of employment

Education & healthcare 14.9%

Construction 13.4%

Retail trade 10.4%

Professional & management 9.7%

Arts, food & hospitality 9.0%

Transportation & utilities 8.7%

Manufacturing 7.8%

Public administration 7.1%

Other services 6.6%

Finance & real estate 5.6%

Wholesale trade 3.1%

Agriculture & mining 2.1%

Information 1.4%

Occupation

Category	%
Management, business & arts	38.5%
Service	15.4%
Sales & office	25.6%
Natural resources & construction	12.3%
Production & transportation	8.2%

Employment type

Type	%
Private sector	72.6%
Government	17.9%
Self-employed	9.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.6%
Carpool	7.2%
Public transit	0.0%
Walk	0.6%
Work from home	12.2%
Other means	1.4%
Avg commute (minutes)	30.3

Poverty

All people 7.0%

Under 18 years 4.7%

18 and over 7.6%

Married-couple families 7.1%

Female-led households 10.4%

Income support

Source	% of households
Social Security	43.6%
Retirement income	29.4%
Supplemental Security	3.5%
Cash public assistance	0.6%
Food stamps / SNAP	10.7%

Health indicators

Condition	%
Obesity	33.6%
High blood pressure	37.5%
High cholesterol	41.1%
Diabetes	12.1%
Heart disease	7.7%
Stroke	3.5%
Asthma	9.5%
Arthritis	26.7%
Kidney disease	3.2%
Pulmonary disease	8.5%
Cancer	7.3%

Behavior / access	%
Smoking	20.1%
Binge drinking	17.0%
No physical activity	26.5%
Less than 7 hrs sleep	33.9%
Depression	23.4%
Fair or poor health	17.6%
Poor mental health	15.6%
Poor physical health	12.3%
No health insurance	23.4%
Visited doctor (checkup)	71.5%
Visited dentist	56.8%
Cholesterol screening	89.8%
Teeth loss	14.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,429	9.4%

Disability	%
Any disability	14.5%
Under 18	2.9%
18–64 years	15.4%
65 and over	24.0%

Health insurance coverage

Type	%
Private insurance	71.5%
Public insurance	34.9%
No insurance	6.9%
Uninsured under 19	3.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,862	93.4%
Spanish	731	4.1%
Other Indo-European	580	3.2%
Asian & Pacific Islander	109	0.6%
Other languages	42	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,876	93.5%
Born in same state	17,733	92.7%
Born in different state	11,960	62.5%
Foreign born	143	0.7%
Naturalized citizen	1,251	6.5%
Not a US citizen	328	26.2%

Ancestry

Ancestry	Count	%
French	3,190	16.7%
Italian	2,553	13.3%
Arab	803	4.2%
Polish	299	1.6%

Ancestry	Count	%
English	222	1.2%
German	37	0.2%
Dutch	25	0.1%
Norwegian	11	0.1%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	95.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 77318

What city is ZIP code 77318 in?

ZIP code 77318 is primarily assigned to Willis, Texas.

What county is ZIP code 77318 in?

ZIP code 77318 falls within Montgomery County, Texas.

Does ZIP code 77318 have a large retiree population?

44% of households in ZIP code 77318 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 77318 have a large veteran population?

9% of civilians in ZIP code 77318 are veterans, above the national average of ~7%.

What is the population of ZIP code 77318?

ZIP code 77318 has an estimated population of 19,127 residents, with a density of 516 people per square mile.

What is the median household income in ZIP code 77318?

The median household income in ZIP code 77318 is $88,162, above the national median of ~$75,000.

What timezone is ZIP code 77318 in?

ZIP code 77318 observes the CST timezone.