Sentinel ZIP Codes — Washita County, OK

There is one unique ZIP code in Sentinel, Oklahoma and it is 73664. Area code: 580.

ZIP codes

99.33

sq mi land

0.28

sq mi water

580

area code

Sentinel, OK ZIP code map

About Sentinel, OK

Sentinel, Oklahoma, is a small town located in Washita County, known for its friendly atmosphere and strong community ties. With a ZIP code of 73664, Sentinel embodies the charm of rural living in Oklahoma. This quaint town offers a blend of agricultural heritage and local culture, making it a unique spot in the Heartland of America.

Location & geography

Sentinel is situated in western Oklahoma, approximately 14 miles south of the larger city of Altus. The town spans a land area of 99.33 square miles and features a modest water area of 0.28 square miles, contributing to its rural landscape. The surrounding terrain includes stretches of farmland, providing residents and visitors with picturesque views typical of the region.

Community & economy

The community of Sentinel is characterized by its close-knit environment, where residents often come together for local events and gatherings. Agriculture plays a significant role in the local economy, with numerous farms and ranches surrounding the town. Daily life in Sentinel revolves around traditional values, family, and involvement in community activities, fostering a strong sense of belonging among its inhabitants.

Transportation

Sentinel is accessible via State Highway 152, which connects it to nearby towns and cities. The nearest major airport is Altus Municipal Airport, located about 14 miles to the north, offering regional flights. While public transportation options are limited, the town's roadways support local commuting and travel.

History

Founded in the early 20th century, Sentinel quickly established itself as a vital agricultural hub in Washita County. The town's growth was bolstered by the development of farming and ranching industries, which continue to play a significant role in its economy today. Although not known for large-scale historical events, Sentinel has proudly preserved its rural heritage through community traditions and local festivals.

Did you know?

One surprising fact about Sentinel is that it is home to the annual Sentinel Peach Festival, celebrating the local peach harvest and drawing visitors from surrounding areas. Additionally, the town maintains a commitment to preserving its agricultural roots, which is evident in the longstanding family-run farms in the region.

ZIP codes for Sentinel, OK (1)

ZIP code	City	County	Map
73664	Sentinel	Washita	View map

Demographics & statistics

1,126

Population

39.2

Median age

$91,786

Median household income

$51,057

Per capita income

$94,000

Median home value

$705

Median monthly rent

77.5%

Home ownership

21.1%

Poverty rate

3.7%

Unemployment

482

Housing units

37.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

115

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	260	23.1%
18 and over	866	76.9%
65 and over	285	25.3%
Median age	39.2 years

Race & ethnicity

White 67.2%

Hispanic or Latino 12.5%

Two or more races 9.5%

Other race 6.8%

American Indian / Alaska Native 3.7%

Black or African American 0.2%

Group	Count	%
White	865	67.2%
Hispanic or Latino	161	12.5%
Two or more races	122	9.5%
Other race	88	6.8%
American Indian / Alaska Native	48	3.7%
Black or African American	3	0.2%

Household income

Under $10k 4.8%

$10k–$15k 6.0%

$15k–$25k 3.7%

$25k–$35k 9.2%

$35k–$50k 6.7%

$50k–$75k 13.1%

$75k–$100k 8.7%

$100k–$150k 39.8%

$150k–$200k 3.3%

$200k+ 4.8%

Range	% of households
Under $10k	4.8%
$10k–$15k	6.0%
$15k–$25k	3.7%
$25k–$35k	9.2%
$35k–$50k	6.7%
$50k–$75k	13.1%
$75k–$100k	8.7%
$100k–$150k	39.8%
$150k–$200k	3.3%
$200k+	4.8%
Median income	$91,786

Housing

Home values

Under $50k 18.9%

$50k–$100k 59.3%

$100k–$150k 12.2%

$150k–$200k 6.2%

$200k–$300k 1.5%

$500k–$1M 2.0%

Housing overview

Metric	Value
Median home value	$94,000
Median rent / month	$705
Owner occupied	77.5%
Renter occupied	22.5%
Vacant	13.2%
Single-family detached	94.2%
Large apartment buildings	0.0%
Mobile homes	4.7%
Median rooms	5.2
Avg household size (owned)	2.09

Year built

Era	%
2020 or later	0.0%
2010–2019	0.8%
2000–2009	1.8%
1990–1999	1.7%
1980–1989	5.2%
1970–1979	33.1%
1960–1969	14.7%
1950–1959	12.9%
1940–1949	11.9%
1939 or earlier	18.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.3%
2 bedrooms	30.2%
3 bedrooms	63.8%
4 bedrooms	4.8%
5+ bedrooms	0.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	23.7%
2 vehicles	55.2%
3 or more	17.7%

Heating fuel

Fuel type	%
Utility gas	81.9%
Electricity	13.1%
Propane / LP gas	3.3%
Wood	1.7%

Households & families

Household type	Count	%
Married-couple family	304	58.5%
Cohabiting couple	39	7.5%
Male householder, no spouse	75	14.4%
Female householder, no spouse	102	19.6%
Households with children under 18	109	21.0%
Households with seniors (65+)	264	50.8%
Average household size	2.17

Marital status

Status	Male	Female
Never married	27.6%	14.9%
Married	46.7%	58.8%
Separated	1.6%	0.7%
Widowed	1.4%	7.8%
Divorced	22.7%	17.7%

Education

Less than 9th grade 4.7%

Some HS, no diploma 4.6%

HS graduate 26.5%

Some college, no degree 19.6%

Associate's degree 6.9%

Bachelor's degree 11.5%

Graduate / professional 26.2%

Metric	%
HS diploma or higher	90.6%
Bachelor's or higher	37.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	32	13.1%
Kindergarten	13	5.3%
Elementary school	99	40.4%
High school	54	22.0%
College / grad school	47	19.2%

Employment

Industry of employment

Other services 31.7%

Agriculture & mining 15.0%

Retail trade 13.2%

Education & healthcare 12.5%

Arts, food & hospitality 7.9%

Construction 4.9%

Finance & real estate 3.7%

Public administration 3.7%

Manufacturing 2.5%

Wholesale trade 2.0%

Transportation & utilities 1.7%

Professional & management 1.2%

Occupation

Category	%
Management, business & arts	54.3%
Service	7.8%
Sales & office	18.2%
Natural resources & construction	10.6%
Production & transportation	9.1%

Employment type

Type	%
Private sector	82.5%
Government	13.7%
Self-employed	3.5%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	57.0%
Carpool	8.0%
Public transit	0.0%
Walk	3.2%
Other means	29.4%
Avg commute (minutes)	19.4

Poverty

All people 21.1%

Under 18 years 37.9%

18 and over 16.5%

Married-couple families 2.3%

Female-led households 64.1%

Income support

Source	% of households
Social Security	51.2%
Retirement income	44.6%
Supplemental Security	2.7%
Cash public assistance	0.2%
Food stamps / SNAP	8.8%

Health indicators

Condition	%
High blood pressure	38.9%
High cholesterol	37.1%
Heart disease	7.6%
Stroke	3.5%
Asthma	10.4%
Arthritis	27.9%
Kidney disease	3.2%
Pulmonary disease	8.4%
Cancer	7.1%

Behavior / access	%
Binge drinking	13.2%
No physical activity	29.5%
Less than 7 hrs sleep	31.0%
Fair or poor health	17.3%
Poor mental health	15.8%
Poor physical health	12.4%
No health insurance	18.9%
Visited doctor (checkup)	76.6%
Visited dentist	58.6%
Cholesterol screening	88.6%
Teeth loss	17.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	46	5.4%

Disability	%
Any disability	30.4%
Under 18	4.6%
18–64 years	15.2%
65 and over	84.2%

Health insurance coverage

Type	%
Private insurance	56.5%
Public insurance	52.2%
Uninsured under 19	10.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,049	93.2%
Spanish	26	2.5%
Other Indo-European	26	2.5%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,059	94.0%
Born in same state	1,057	93.9%
Born in different state	652	57.9%
Foreign born	2	0.2%
Naturalized citizen	67	6.0%
Not a US citizen	7	10.4%

Ancestry

Ancestry	Count	%
Italian	138	12.3%
French	87	7.7%
Arab	74	6.6%
Irish	10	0.9%

Ancestry	Count	%
English	10	0.9%
Dutch	9	0.8%
Polish	7	0.6%

Technology access

Metric	% of households
Computer access	46.2%
Internet access	88.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Sentinel, OK have?

Sentinel, OK has one ZIP code: 73664. Each ZIP code serves a distinct delivery area within the city and surrounding region.