Sentinel, Oklahoma
Sentinel: Human settlement in Washita County, Oklahoma, United States of America
About
Sentinel is a city located in the county of Washita in the U.S. state of Oklahoma. Its population at the 2010 census was 901 and a population density of 565 people per km². After 10 years in 2020 city had an estimated population of 839 inhabitants.
Quick Facts about Sentinel
| Population : | 839 (2020) |
| Country : | United States of America |
| State : | Oklahoma (United States) |
| County : | Washita County |
| Postal code : | 73664 |
| Phone Area Codes : | 580 |
| Area : | 1.59 km2 |
| Altitude : | 1,640 feet / 500 meters |
| Time Zone : | America/Chicago |
| Local time : | 02:12:13 (6th December 2025) |
| Density : | 526 Pop. per km² as of 2020 |
| Population growth : | -7.39% (2010-2020) |
Geography
Sentinel is located at 35°9'28"N 99°10'31"W (35.1578300, -99.1753600).
Sentinel map
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Demographics
According to census records, the population of Sentinel decreased by 7.39% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 901 | - | census |
| 2011 | 899 | -0.22% | estimation process |
| 2012 | 900 | 0.11% | estimation process |
| 2013 | 908 | 0.88% | estimation process |
| 2014 | 897 | -1.23% | estimation process |
| 2015 | 906 | 0.99% | estimation process |
| 2016 | 887 | -2.14% | estimation process |
| 2017 | 856 | -3.62% | estimation process |
| 2018 | 855 | -0.12% | estimation process |
| 2019 | 845 | -1.18% | estimation process |
| 2020 | 839 | -0.72% | estimation process |
Sentinel zip code is 73664.
County name: Washita, County
fips: 40149
Barton, Sentinel
Schools in Sentinel
College & universities near Sentinel, OK
| Code | Name | City | ZIP |
|---|---|---|---|
| 418302 | Western Technology Center | Burns Flat (OK) | 73624-1469 |
Post offices near Sentinel
| Post Office Name | City | ZIP |
|---|---|---|
| Sentinel Post Office | Sentinel (OK) | 73664 |
Other cities in Washita County
Cities, towns, neighborhoods & other populated places in Washita County , OK.
| City Name | Population | Title |
|---|---|---|
| Cordell | 2,892 | City in Oklahoma |
| Burns Flat | 1,881 | City in Washita County, Oklahoma, United States of America |
| Dill City | 527 | Town in Washita County, Oklahoma, United States |
| Canute | 517 | Town in Washita County, Oklahoma, United States |
| Corn | 467 | Small town in Oklahoma, USA |
| Bessie | 173 | Town in Washita County, Oklahoma, United States |
| Rocky | 151 | Human settlement in Washita County, Oklahoma, United States of America |
| Foss | 146 | Human settlement in Washita County, Oklahoma, United States of America |
| Colony | 129 | Town in Washita County, Oklahoma, United States |
