Willis is a city in Montgomery County, Texas, home to about 6,878 people across 4.7 square miles. Its ZIP code is 77378, and parts of 77318 are in Willis too.
Homes sold for a median of $157 per square foot in the three months ending August 2026, a balanced market.
Mostly Willis; also Conroe
Part is in Willis, part in Conroe
Each card is that ZIP code’s whole market, including any part outside Willis. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | George Bush Intercontinental Airport (IAH)33 miles away |
|---|---|
| Nearest city of 250,000+ | Houston, TX46 miles away |
Straight-line distances from the center of Willis; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Willis had 6,431 residents in the 2020 census, up 61% since 2000.
It’s the 342nd largest of 1,778 towns in Texas by population.
Montgomery County grew from 17,067 residents in 1900 to 620,443 in 2020.
Montgomery County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 95°F in summer, and winter lows average 39°F. About 47.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Conroe Montgomery Co Ap, TX weather station (7 miles away).
206,056 jobs at 15,014 businesses in Montgomery County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
31 doctors and other health care providers list an office in Willis.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 11 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 9 |
| Physical and occupational therapists | 2 |
| Chiropractors | 3 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores
Pharmacies
Libraries
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1937.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Willis ISD, Trinity Charter School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Roark Early Education CenterWillis | Pre-K | 348 | Public | 1.5 mi |
| C C Hardy ElWillis | K–5 | 756 | Public | 1.6 mi |
| Edward B Cannan ElWillis | K–5 | 714 | Public | 1.3 mi |
| Parmley ElWillis | K–5 | 631 | Public | 1.4 mi |
| Turner ElWillis | K–5 | 463 | Public | 3.4 mi |
| W Lloyd Meador ElWillis | K–5 | 706 | Public | 4.0 mi |
| Trinity Charter Schools - Willis CampusWillis | 4–12 | 9 | Charter, Alternative Education | 1.9 mi |
| Stubblefield AcademyWillis | 5–12 | 25 | Alternative Education | 1.7 mi |
| Lynn Lucas MiddleWillis | 6–8 | 901 | Public | 1.4 mi |
| Robert P Brabham MiddleWillis | 6–8 | 1,179 | Public | 3.9 mi |
| JjaepWillis | 9–10 | 2 | Alternative Education | 1.7 mi |
| Willis H SWillis | 9–12 | 2,809 | Public | 3.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Conroe.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.