Hennessey is a town in Kingfisher County, Oklahoma, home to about 2,567 people across 3.7 square miles. Its ZIP code is 73742.
Homes sold for a median of $92 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 Hennessey. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | OKC Will Rogers World Airport (OKC)51 miles away |
|---|---|
| Closer regional airport | Stillwater Regional Airport (SWO)45 miles away |
| Nearest city of 250,000+ | Oklahoma City, OK48 miles away |
| Nearest city of 1 million+ | Dallas, TX236 miles away |
Straight-line distances from the center of Hennessey; 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.
Hennessey had 2,151 residents in the 2020 census, up 5% since 2000.
It’s the 133rd largest of 827 towns in Oklahoma by population.
Kingfisher County grew from 18,501 residents in 1900 to 15,184 in 2020.
Kingfisher County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 95°F in summer, and winter lows average 24°F. About 33.4 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Hennessey 4 Ese, OK weather station (3 miles away).
5,716 jobs at 488 businesses in Kingfisher County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Hennessey.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 1 |
| Optometrists | 1 |
| Pharmacies | 3 |
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 (1 nearby)
Grocery stores
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 1889.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Hennessey. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hennessey Lower EsHennessey | Pre-K–4 | 342 | Public | 1.7 mi |
| Hennessey Upper EsHennessey | 5–8 | 227 | Public | 1.7 mi |
| Hennessey HsHennessey | 9–12 | 243 | 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.