Lamar is a city in Barton County, Missouri, home to about 4,284 people across 5.2 square miles. Its ZIP code is 64759.
Homes sold for a median of $168 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Lamar; also Iantha and Lamar Heights
Each card is that ZIP code’s whole market, including any part outside Lamar. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lamar’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)125 miles away |
|---|---|
| Closer regional airport | Joplin Regional Airport (JLN)27 miles away |
| Nearest city of 250,000+ | Tulsa, OK129 miles away |
| Nearest city of 1 million+ | Dallas, TX354 miles away |
Straight-line distances from the center of Lamar; 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.
Lamar had 4,266 residents in the 2020 census, down 4% since 2000.
It’s the 170th largest of 1,060 towns in Missouri by population.
Barton County grew from 18,253 residents in 1900 to 11,637 in 2020.
Barton 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 22°F. About 49 inches of rain and melted snow fall in a typical year, with about 7 inches of snow.
Source: NOAA 1991–2020 climate normals, Lamar 7n, MO weather station (6 miles away).
2,467 jobs at 237 businesses in Barton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
43 doctors and other health care providers list an office in Lamar.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Specialist doctors | 11 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 8 |
| Physical and occupational therapists | 4 |
| Optometrists | 4 |
| Pharmacies | 5 |
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
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 1852.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Lamar R-I. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| East Elem.Lamar | Pre-K–2 | 281 | Public | 4.8 mi |
| Lamar Elem.Lamar | 3–5 | 253 | Public | 3.4 mi |
| Lamar MiddleLamar | 6–8 | 255 | Public | 3.4 mi |
| Lamar Careertechnical CenterLamar | 9–12 | — | Career and Technical | 3.2 mi |
| Lamar HighLamar | 9–12 | 369 | 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 Iantha, Lamar Heights, Milford and Irwin.
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.