Blackwell is a city in Kay County, Oklahoma, home to about 6,042 people across 5.6 square miles. Its ZIP code is 74631.
Homes sold for a median of $62 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Blackwell. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Tulsa International Airport (TUL)88 miles away |
|---|---|
| Closer regional airport | Stillwater Regional Airport (SWO)45 miles away |
| Nearest city of 250,000+ | Wichita, KS61 miles away |
| Nearest city of 1 million+ | Dallas, TX278 miles away |
Straight-line distances from the center of Blackwell; 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.
Blackwell had 6,085 residents in the 2020 census, down 21% since 2000.
It’s the 67th largest of 827 towns in Oklahoma by population.
Kay County grew from 22,530 residents in 1900 to 43,700 in 2020.
Kay County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 94°F in summer, and winter lows average 22°F. About 38.8 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Blackwell 1ssw, OK weather station (about a mile away).
14,063 jobs at 1,047 businesses in Kay County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
25 doctors and other health care providers list an office in Blackwell.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Dentists | 9 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 4 |
| Physical and occupational therapists | 1 |
| Chiropractors | 4 |
| Pharmacies | 4 |
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 (8 nearby)
Museums (1 nearby)
Counts are within about 2 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.
Public schools here are run by Blackwell. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Blackwell EsBlackwell | Pre-K–5 | 507 | Public | 1.3 mi |
| Blackwell MsBlackwell | 6–8 | 227 | Public | 0.5 mi |
| Blackwell HsBlackwell | 9–12 | 353 | Public | 0.9 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.