Postal Codes

73664 ZIP Code

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ZIP code 73664 covers Sentinel, Oklahoma, with a population of about 1,115.

Population
1,11511 per square mile
Median age
38.9about the US average
Poverty rate
16.5%4.1 points above the US average
Typical home value
$91,150up 56.2% in five years
Median rent
$70029% below the Oklahoma median
Degree or higher
39.7%4.7 points above the US average
Homeownership
79.2%14.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
20

Where 73664 is

Sentinel, Oklahoma — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,115
Median age38.9
Family households68.5%
Born outside the US4.8%
Speaks a language other than English at home8.8%
White (non-Hispanic)75.3%
Black (non-Hispanic)0.7%
Asian (non-Hispanic)0%
Hispanic or Latino16.7%
Veterans4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$54,659
Poverty rate16.5%
Households on SNAP or cash assistance9.9%

Household income distribution

Under $10k6.3%
$10–15k4.4%
$15–20k2.8%
$20–25k2.0%
$25–30k7.5%
$30–35k2.2%
$35–40k1.2%
$40–45k1.6%
$45–50k3.0%
$50–60k5.6%
$60–75k4.8%
$75–100k9.7%
$100–125k6.0%
$125–150k34.9%
$150–200k3.2%
$200k or more5.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed390
Mean adjusted gross income$52,833
Returns declaring $200,000 or more0%
Returns, under $25k28.2%
Returns, $25k–$50k28.2%
Returns, $50k–$75k17.9%
Returns, $75k–$100k12.8%
Returns, $100k–$200k12.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$109,200
Median gross rent$700
Rent as a share of household income15.4%
Owner-occupied79.2%
Vacant homes13%
Median year built1967

What the homes are

Detached house94.8%
Attached house1.2%
Mobile home4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$91,150as of 2026-07
Typical home value, 1 yearup 19.9%
Typical home value, 5 yearsup 56.2%
Typical home value, 10 yearsup 102%
Typical home value since 2000
201620212026$91,150$41,671

$45,116 in 2016 to $91,150 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.1%
Bachelor's degree or higher39.7%
High school diploma or higher93.2%
Works from home2.8%
Drives to work alone59.5%
Takes public transport0%
Commutes 45 minutes or more11.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.3% 5.9 pts above the national average of 33.4%
Diagnosed diabetes12.8% 0.8 pts above the national average of 12%
Currently smokes16.2% 3 pts above the national average of 13.2%
High blood pressure38.6% 4.5 pts above the national average of 34.1%
Fair or poor general health20.9% 0.6 pts above the national average of 20.3%
No health insurance (18–64)11.4% same as the national average of 11.3%
Depression24.5% 2.6 pts above the national average of 21.9%
No leisure-time physical activity31.2% 5.8 pts above the national average of 25.4%
Arthritis29.5% 4.4 pts above the national average of 25.1%
Binge drinking14.4% 1.6 pts below the national average of 16%
Taking blood pressure medication77.6% 2.9 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening85.4% 0.5 pts below the national average of 85.9%
Cognitive disability16.6% 1.8 pts above the national average of 14.8%
Colorectal screening61% 3.3 pts below the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist57.5% 3.8 pts below the national average of 61.3%
Any disability38.2% 7.5 pts above the national average of 30.7%
Lacks emotional support23.7% 1.1 pts below the national average of 24.8%
Food insecurity16.4% 0.7 pts below the national average of 17.1%
Received food stamps13.3% 1 pts below the national average of 14.3%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol39.4% 3.2 pts above the national average of 36.2%
Housing insecurity12.5% 1.3 pts below the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport8.4% 0.8 pts below the national average of 9.2%
Loneliness31.8% 2.6 pts below the national average of 34.4%
Mammography use68.7% 7.2 pts below the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability17.1% 3.1 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Utility shut-off threat9.1% same as the national average of 8.8%
Sleeps under 7 hours36.4% same as the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost16.7% 3.7 pts above the national average of 13%
Vision disability5.8% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments20
People employed83
Annual payroll$2,239,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 55.4% of US census tracts
FEMA ratingRelatively Low
Expected annual loss51.9 out of 100
Community resilience20.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought98.3Relatively High at its worst in this ZIP code
Ice storm97.3Relatively High at its worst in this ZIP code
Strong wind93.5Relatively High at its worst in this ZIP code
Hail91.7Relatively High at its worst in this ZIP code
Winter weather82.2Relatively High at its worst in this ZIP code
Wildfire81.2Relatively Low at its worst in this ZIP code
Tornado80.1Relatively High at its worst in this ZIP code
Cold wave75.3Relatively Moderate at its worst in this ZIP code
Landslide70.9Very Low at its worst in this ZIP code
Heat wave49.6Relatively Low at its worst in this ZIP code
Earthquake42.5Relatively Low at its worst in this ZIP code
Hurricane36Very Low at its worst in this ZIP code
River flooding23.2Relatively Low at its worst in this ZIP code
Lightning20.2Very Low at its worst in this ZIP code
Compared with Oklahoma and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPOklahomaUnited States
Median household income$63,603$78,538
Income per person$54,659$34,859$43,289
Poverty rate16.5%15.3%12.4%
Median home value$109,200$185,900$303,400
Median gross rent$700$980$1,348
Homeownership79.2%65.8%65%
Bachelor's degree or higher39.7%27.8%35%
Unemployment rate5.1%4.9%5.2%
Works from home2.8%8.5%13.5%
Born outside the US4.8%6.3%13.9%
Median age38.936.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCLINTON SHERMAN AP, OK US7.1 km away
Rain in a year24 in

Average high and low by month

January49°F / 27.5°F0.61 in rain
February53°F / 30.2°F0.78 in rain
March61.9°F / 38.6°F1.4 in rain
April69.7°F / 46.4°F2.6 in rain
May80.1°F / 56.9°F3.55 in rain
June89.5°F / 66.8°F3.28 in rain
July94.2°F / 71.3°F1.96 in rain
August92.5°F / 69.9°F3.12 in rain
September84.1°F / 62.1°F2.59 in rain
October72.3°F / 49.4°F2.33 in rain
November59°F / 37.7°F0.91 in rain
December49.4°F / 29.6°F0.77 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Sentinel Public Schools99.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status55more vulnerable than 55% of US census tracts
Household characteristics83more vulnerable than 83% of US census tracts
Racial and ethnic minority status29more vulnerable than 29% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

73661 Rocky, OK11.2 km away
73641 Dill City, OK13.1 km away
73651 Hobart, OK16.7 km away
73624 Burns Flat, OK20.9 km away
73655 Lone Wolf, OK21.4 km away
73632 Cordell, OK23.8 km away
73041 Gotebo, OK28.4 km away
73626 Canute, OK28.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washita County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area99.33 sq mi
Water area0.28 sq mi
Population density11 people per sq mi
Latitude, longitude35.1617, -99.1706

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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