Dennis
Census-designated place in Delaware County, Oklahoma

Dennis is an unincorporated community (census-designated place) in Delaware County, Oklahoma, with 221 residents (2020 Census). It sits at 886 ft (270 m) above sea level. The nearest town is Zena, 3.1 miles SE.
- 221residents (2020 Census)
- 886 ftelevation · 270 m
- 4.5 sq miland area · 11.7 km²
- 49 / sq mipopulation density
- 74331ZIP code
About Dennis
Dennis is an unincorporated community and census-designated place (CDP) in Delaware County, Oklahoma, near Grand Lake. As of the 2020 census, Dennis had a population of 221. The Dennis Post Office existed from March 25, 1914, until January 31, 1956. It is said to be named for a local resident, Peter Dennis.
Text: Wikipedia · CC BY-SA 4.0
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Living in Dennis
- Median household income
- $87,589
- Median age
- 59.2
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Open in Google Maps ›Dennis, OK population
Dennis had 221 residents in the 2020 Census.
| 2020 Census | 221 |
|---|---|
| Density | 49 per sq mi (19 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Dennis at a glance
| State | Oklahoma (OK) |
|---|---|
| County | Delaware County |
| Type | Census-designated place |
| Population | 221 (2020) |
| Land area | 4.53 sq mi (11.7 km²) |
| Water area | 0.00 sq mi (0.01 km²) |
| Elevation | 886 ft (270 m) |
| Coordinates | 36.5473° N, 94.8769° W |
| ZIP code | 74331 |
| Census code (GEOID) | 4020100 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Dennis
- Zena3.1 mi SE
- Drowning Creek4.9 mi S
- Grove5.6 mi NE
- Bernice5.6 mi N
- Cleora6.1 mi W
- Butler7.6 mi E
- Copeland8.5 mi N
- Ketchum8.7 mi W
- White Water8.8 mi E
- Grand Lake Towne8.9 mi W
- Disney9.3 mi SW
- Deer Lick9.4 mi SE
Straight-line distance between town centers.
Frequently asked questions about Dennis
What county is Dennis in?
Dennis is in Delaware County, Oklahoma.
What is the population of Dennis, OK?
221 people lived in Dennis at the 2020 Census.
What is the ZIP code of Dennis, OK?
The ZIP code of Dennis is 74331.
What is the elevation of Dennis?
886 feet (270 m) above sea level.
What towns are near Dennis?
Zena (3.1 mi), Drowning Creek (4.9 mi), Grove (5.6 mi), Bernice (5.6 mi), Cleora (6.1 mi).
Last updated: