Mound City is a city in Linn County, Kansas, home to about 768 people across 1.2 square miles. Its ZIP code is 66056.
Homes sold for a median of $134 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Mound City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mound City’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Kansas City International Airport (MCI)79 miles away |
|---|---|
| Closer regional airport | Joplin Regional Airport (JLN)72 miles away |
| Nearest city of 250,000+ | Kansas City, MO68 miles away |
| Nearest city of 1 million+ | Dallas, TX386 miles away |
Straight-line distances from the center of Mound City; 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.
Mound City had 647 residents in the 2020 census, down 21% since 2000.
It’s the 242nd largest of 721 towns in Kansas by population.
Linn County grew from 16,689 residents in 1900 to 9,591 in 2020.
Linn County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 20°F. About 41.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Mound City, KS weather station (about a mile away).
1,315 jobs at 201 businesses in Linn County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
6 doctors and other health care providers list an office in Mound City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 1 |
| Chiropractors | 1 |
| 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.
Libraries (1 nearby)
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 Jayhawk. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Jayhawk ElementaryMound City | Pre-K–6 | 311 | Public | 1.2 mi |
| Jayhawk-Linn HighMound City | 7–12 | 263 | Public | 1.6 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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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.