Foster is a town in Stephens County, Oklahoma, home to about 254 people across 34 square miles. It has no ZIP code of its own: it’s part of 73433 and 73434.
Homes sold for a median of $177 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Elmore City; part is in Foster
Mostly Duncan; part is in Foster
Each card is that ZIP code’s whole market, including any part outside Foster. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Foster’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)53 miles away |
|---|---|
| Nearest city of 250,000+ | Oklahoma City, OK58 miles away |
| Nearest city of 1 million+ | Dallas, TX134 miles away |
Straight-line distances from the center of Foster; 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.
Foster had 246 residents in the 2020 census, up 53% since 2010.
It’s the 508th largest of 827 towns in Oklahoma by population.
Stephens County grew from 22,252 residents in 1910 to 42,848 in 2020.
Stephens County, 1910–2020
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 27°F. About 38.3 inches of rain and melted snow fall in a typical year, with about 4 inches of snow.
Source: NOAA 1991–2020 climate normals, Pauls Valley 4 Wsw, OK weather station (13 miles away).
12,439 jobs at 1,080 businesses in Stephens County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Foster’s ZIP codes.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
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.
Public schools here are run by Elmore City-Pernell. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Elmore City-Pernell EsElmore City | Pre-K–5 | 197 | Public | 5.2 mi |
| Elmore City JhsElmore City | 6–8 | 106 | Public | 5.2 mi |
| Elmore City-Pernell HsElmore City | 9–12 | 149 | Public | 5.3 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 Elmore City, Katie, Duncan and Hennepin.
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.