St. Marks is a community in Sedgwick County, Kansas, home to about 156 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 67030.
Homes sold for a median of $138 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Colwich; part is in St. Marks
Each card is that ZIP code’s whole market, including any part outside St. Marks. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Marks’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Tulsa International Airport (TUL)142 miles away |
|---|---|
| Closer regional airport | Wichita Dwight D. Eisenhower National Airport (ICT)11 miles away |
| Nearest city of 250,000+ | Wichita, KS12 miles away |
| Nearest city of 1 million+ | Dallas, TX347 miles away |
Straight-line distances from the center of St. Marks; 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.
It’s the 474th largest of 721 towns in Kansas by population.
Sedgwick County grew from 44,037 residents in 1900 to 523,824 in 2020.
Sedgwick County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 22°F. About 34.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Wichita Wx, KS weather station (10 miles away).
237,173 jobs at 12,710 businesses in Sedgwick County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in St. Marks.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Physical and occupational therapists | 1 |
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.
Grocery stores (1 nearby)
Libraries (1 nearby)
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 Renwick. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Colwich ElemColwich | Pre-K–8 | 227 | Public | 0.1 mi |
| St. Marks SchoolColwich | Pre-K–8 | 315 | Public | 3.2 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 Colwich.
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.