St. Martins is a city in Cole County, Missouri, home to about 1,228 people across 1.9 square miles. It has no ZIP code of its own: it’s part of 65023 and 65109.
Homes sold for a median of $170 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Part is in St. Martins, part in Centertown
Mostly Jefferson City; part is in St. Martins
Each card is that ZIP code’s whole market, including any part outside St. Martins. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Martins’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)102 miles away |
|---|---|
| Closer regional airport | Columbia Regional Airport (COU)17 miles away |
| Nearest city of 250,000+ | St. Louis, MO108 miles away |
| Nearest city of 1 million+ | Chicago, IL329 miles away |
Straight-line distances from the center of St. Martins; 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.
St. Martins had 1,191 residents in the 2020 census, up 16% since 2000.
It’s the 345th largest of 1,060 towns in Missouri by population.
Cole County grew from 20,578 residents in 1900 to 77,279 in 2020.
Cole County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 21°F. About 43.5 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Jefferson City Wtp, MO weather station (4 miles away).
37,060 jobs at 2,224 businesses in Cole County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
616 doctors and other health care providers list an office in St. Martins’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 69 |
|---|---|
| Specialist doctors | 115 |
| Dentists | 41 |
| Nurse practitioners and physician assistants | 119 |
| Mental health providers | 160 |
| Physical and occupational therapists | 77 |
| Optometrists | 7 |
| Chiropractors | 28 |
| Pharmacies | 12 |
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 (1 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile 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.
Public schools here are run by Jefferson City. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Southwest Early Childhood CtrJefferson City | Pre-K | 305 | Public | 3.4 mi |
| Belair Elem.Jefferson City | K–5 | 363 | Public | 2.6 mi |
| Cedar Hill Elem.Jefferson City | K–5 | 313 | Public | 2.4 mi |
| Clarence Lawson Elem.Jefferson City | K–5 | 440 | Public | 1.3 mi |
| Pioneer Trail ElementaryJefferson City | K–5 | 396 | Public | 2.4 mi |
| South Elem.Jefferson City | K–5 | 302 | Public | 3.5 mi |
| West Elem.Jefferson City | K–5 | 317 | Public | 2.6 mi |
| Thomas Jefferson MiddleJefferson City | 6–8 | 927 | Public | 1.4 mi |
| Capital City High SchoolJefferson City | 9–12 | 1,314 | Public | 1.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| River Oak Christian AcademyJefferson City | Pre-K–8 | 151 | Christian (no specific denomination) | 0.4 mi |
| St Martin Catholic SchoolJefferson City | Pre-K–8 | 165 | Roman Catholic | 4.9 mi |
| Trinity Lutheran SchoolJefferson City | Pre-K–8 | 280 | Lutheran Church–Missouri Synod | 3.4 mi |
| Lighthouse Preparatory AcademyJefferson City | K–12 | 140 | Christian (no specific denomination) | 0.7 mi |
| Helias Catholic High SchoolJefferson City | 9–12 | 680 | Roman Catholic | 3.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Jefferson City and Centertown.
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.