73664 ZIP Code — Sentinel, OK

Washita County, Oklahoma

ZIP code 73664 is located in Sentinel, Oklahoma, within Washita County. It covers approximately 99.33 square miles and serves a population of 1,126 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 580.

About ZIP code 73664

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $94,000. Owner-occupancy is high at 78%, well above the national average.

Median household income is $91,786. Poverty affects 21% of residents, above the national average. 51% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

15% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 30%.

Overall, ZIP code 73664 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.

1,126

population

99.33

sq mi land

Standard

ZIP type

Central (CT)

timezone

73664 ZIP code map

Cities in ZIP code 73664

Below are the cities the US Postal Service accepts for ZIP code 73664. Using any city not on this list may result in mail delivery delays.

City	Status
Sentinel	Preferred

Nearby ZIP codes

73641 Dill City (5.3 mi) 73661 Rocky (9.8 mi) 73651 Hobart (13.4 mi) 73655 Lone Wolf (14.4 mi) 73626 Canute (15.7 mi) 73627 Carter (15.8 mi) 73647 Foss (16.6 mi) 73547 Granite (16.8 mi) 73622 Bessie (18.7 mi) 73041 Gotebo (18.8 mi) 73632 Cordell (19.3 mi)

Demographics updated 05/2026

Population
Total population	1,126
Population density	11 / sq mi
State FIPS	40
County FIPS	149

Geography
Land area	99.33 sq mi
Water area	0.28 sq mi
Latitude	35.1678
Longitude	-99.1950
Timezone	Central (CT)
Area code	580

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	47.3%	46.5%
$50k – $100k	27.5%	32.7%	31.0%
$100k – $200k	38.8%	17.5%	18.1%
Over $200k	5.6%	2.4%	4.5%

Demographics & statistics

1,126

Population

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	28.0%	47.3%	46.5%
$50k – $100k	27.5%	32.7%	31.0%
$100k – $200k	38.8%	17.5%	18.1%
Over $200k	5.6%	2.4%	4.5%

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%
Work from home	2.3%
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	%
Obesity	38.1%
High blood pressure	38.9%
High cholesterol	37.1%
Diabetes	12.2%
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	%
Smoking	19.3%
Binge drinking	13.2%
No physical activity	29.5%
Less than 7 hrs sleep	31.0%
Depression	23.5%
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%
No insurance	15.1%
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 about ZIP code 73664

What city is ZIP code 73664 in?

ZIP code 73664 is primarily assigned to Sentinel, Oklahoma.

What county is ZIP code 73664 in?

ZIP code 73664 falls within Washita County, Oklahoma.

Does ZIP code 73664 have a large retiree population?

51% of households in ZIP code 73664 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 73664 have an older population?

25% of residents in ZIP code 73664 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 73664?

21% of residents in ZIP code 73664 live below the poverty line, above the national average.

What is the typical home value in ZIP code 73664?

The median home value in ZIP code 73664 is $94,000.

What timezone is ZIP code 73664 in?

ZIP code 73664 observes the CST timezone.