Buffalo is a town in Harper County, Oklahoma, home to about 1,092 people across 1.1 square miles. Its ZIP code is 73834.
Homes sold for a median of $88 per square foot in the three months ending August 2026, a seller’s market.
Mostly Buffalo; also Selman
Each card is that ZIP code’s whole market, including any part outside Buffalo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Buffalo’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | OKC Will Rogers World Airport (OKC)148 miles away |
|---|---|
| Closer regional airport | Dodge City Regional Airport (DDC)67 miles away |
| Nearest city of 250,000+ | Wichita, KS134 miles away |
| Nearest city of 1 million+ | Dallas, TX322 miles away |
Straight-line distances from the center of Buffalo; 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.
Buffalo had 1,039 residents in the 2020 census, down 13% since 2000.
It’s the 223rd largest of 827 towns in Oklahoma by population.
Harper County grew from 8,189 residents in 1910 to 3,272 in 2020.
Harper County, 1910–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 96°F in summer, and winter lows average 22°F. About 22.2 inches of rain and melted snow fall in a typical year, with about 14 inches of snow.
Source: NOAA 1991–2020 climate normals, Buffalo 2 Ssw, OK weather station (6 miles away).
478 jobs at 89 businesses in Harper County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Buffalo.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 3 |
| 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
Museums
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 Buffalo. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Buffalo EsBuffalo | Pre-K–8 | 164 | Public | 4.4 mi |
| Buffalo HsBuffalo | 9–12 | 75 | Public | 4.4 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 Selman.
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.