Postal Codes

74631 ZIP Code

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ZIP code 74631 covers Blackwell, Oklahoma, with a population of about 6,795 and a median household income of $50,969.

Population
6,79566 per square mile
Median age
36.91.8 points below the US average
Median household income
$50,96920% below the Oklahoma median
Poverty rate
15.7%3.3 points above the US average
Typical home value
$64,780up 10% in five years
Median rent
$86811% below the Oklahoma median
Degree or higher
12.4%22.6 points below the US average
Homeownership
65.3%about the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
155

Where 74631 is

Blackwell, 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

Population6,795
Median age36.9
Family households61.6%
Born outside the US2.9%
Speaks a language other than English at home7.8%
White (non-Hispanic)76.3%
Black (non-Hispanic)0.9%
Asian (non-Hispanic)0%
Hispanic or Latino12.3%
Veterans10.9%
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

Median household income$50,969
Income per person$28,543
Poverty rate15.7%
Households on SNAP or cash assistance25.9%

Household income distribution

Under $10k5.2%
$10–15k2.5%
$15–20k3.2%
$20–25k5.9%
$25–30k6.9%
$30–35k3.7%
$35–40k4.7%
$40–45k8.2%
$45–50k7.3%
$50–60k12.2%
$60–75k13.2%
$75–100k6.3%
$100–125k9.2%
$125–150k3.7%
$150–200k4.3%
$200k or more3.6%

Income as declared to the IRS

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

Tax returns filed2,630
Mean adjusted gross income$53,273
Returns declaring $200,000 or more2.3%
Returns, under $25k35.7%
Returns, $25k–$50k30.4%
Returns, $50k–$75k14.8%
Returns, $75k–$100k7.2%
Returns, $100k–$200k9.5%
Returns, $200k or more2.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$77,100
Median gross rent$868
Rent as a share of household income23%
Owner-occupied65.3%
Vacant homes26.1%
Median year built1955

What the homes are

Detached house85.9%
Attached house1.3%
2 to 4 units2.9%
5 to 19 units2.6%
20 or more units2.4%
Mobile home5%
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$64,780as of 2026-07
Typical home value, 1 yeardown 2.8%
Typical home value, 5 yearsup 10%
Typical home value, 10 yearsup 45.6%
Typical home value since 2000
200020132026$68,920$35,488

$35,488 in 2000 to $64,780 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.3%
Bachelor's degree or higher12.4%
High school diploma or higher89.3%
Works from home2%
Drives to work alone85.4%
Takes public transport0%
Commutes 45 minutes or more14.3%
Health

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

Obesity44.1% 10.7 pts above the national average of 33.4%
Diagnosed diabetes15.5% 3.5 pts above the national average of 12%
Currently smokes21.2% 8 pts above the national average of 13.2%
High blood pressure43.7% 9.6 pts above the national average of 34.1%
Fair or poor general health26% 5.7 pts above the national average of 20.3%
No health insurance (18–64)12.1% 0.8 pts above the national average of 11.3%
Depression27.4% 5.5 pts above the national average of 21.9%
No leisure-time physical activity35.2% 9.8 pts above the national average of 25.4%
Arthritis33.9% 8.8 pts above the national average of 25.1%
Binge drinking13.4% 2.6 pts below the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)9.3% 1.6 pts above the national average of 7.7%
Current asthma12.1% 1.7 pts above the national average of 10.4%
Coronary heart disease9.5% 3.3 pts above the national average of 6.2%
Routine check-up in past year78% 1.3 pts above the national average of 76.7%
Cholesterol screening83.9% 2 pts below the national average of 85.9%
Cognitive disability19.6% 4.8 pts above the national average of 14.8%
Colorectal screening57.4% 6.9 pts below the national average of 64.3%
COPD11.4% 4.8 pts above the national average of 6.6%
Visited a dentist50.8% 10.5 pts below the national average of 61.3%
Any disability44.3% 13.6 pts above the national average of 30.7%
Lacks emotional support24.9% same as the national average of 24.8%
Food insecurity21.4% 4.3 pts above the national average of 17.1%
Received food stamps20.2% 5.9 pts above the national average of 14.3%
Hearing disability11.7% 5 pts above the national average of 6.7%
High cholesterol41.4% 5.2 pts above the national average of 36.2%
Housing insecurity14.7% 0.9 pts above the national average of 13.8%
Independent living disability12.2% 3.8 pts above the national average of 8.4%
Lacks transport10.9% 1.7 pts above the national average of 9.2%
Loneliness32.4% 2 pts below the national average of 34.4%
Mammography use66.9% 9 pts below the national average of 75.9%
Poor mental health (14+ days)19.3% 2.5 pts above the national average of 16.8%
Mobility disability21.9% 7.9 pts above the national average of 14%
Poor physical health (14+ days)17.4% 3.9 pts above the national average of 13.5%
Self-care disability5.8% 1.8 pts above the national average of 4%
Utility shut-off threat11.7% 2.9 pts above the national average of 8.8%
Sleeps under 7 hours36.8% same as the national average of 36.4%
Stroke4.9% 1.5 pts above the national average of 3.4%
All natural teeth lost23.4% 10.4 pts above the national average of 13%
Vision disability7.8% 2.2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments155
People employed1,730
Annual payroll$80,106,000
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 93.2% of US census tracts
FEMA ratingRelatively High
Expected annual loss91.8 out of 100
Community resilience37.2 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.

Tornado98.6Very High at its worst in this ZIP code
Cold wave98.4Very High at its worst in this ZIP code
Ice storm98Very High at its worst in this ZIP code
Drought97.4Relatively High at its worst in this ZIP code
Hail96.7Relatively High at its worst in this ZIP code
River flooding91.9Very High at its worst in this ZIP code
Winter weather88.1Relatively High at its worst in this ZIP code
Heat wave85Relatively High at its worst in this ZIP code
Strong wind84.1Relatively High at its worst in this ZIP code
Wildfire79.6Relatively Low at its worst in this ZIP code
Lightning76.4Relatively High at its worst in this ZIP code
Landslide73.5Very Low at its worst in this ZIP code
Earthquake47.7Relatively Low at its worst in this ZIP code
Hurricane35.3Very 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$50,969$63,603$78,538
Income per person$28,543$34,859$43,289
Poverty rate15.7%15.3%12.4%
Median home value$77,100$185,900$303,400
Median gross rent$868$980$1,348
Homeownership65.3%65.8%65%
Bachelor's degree or higher12.4%27.8%35%
Unemployment rate6.3%4.9%5.2%
Works from home2%8.5%13.5%
Born outside the US2.9%6.3%13.9%
Median age36.936.938.7
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 stationBLACKWELL 1SSW, OK US1.9 km away
Rain in a year39 in
Snow in a year8 in

Average high and low by month

January46.9°F / 22.2°F1.25 in rain, 2 in snow
February51.8°F / 25.6°F1.41 in rain, 1.7 in snow
March61.3°F / 34.3°F2.83 in rain, 1.4 in snow
April70.7°F / 43.6°F3.92 in rain, 0.1 in snow
May79.2°F / 54.9°F5.39 in rain
June88.6°F / 64.9°F5.14 in rain
July93.8°F / 69.3°F4.38 in rain
August92.7°F / 67.7°F4.12 in rain
September84.8°F / 59.6°F3.17 in rain
October73.2°F / 46.6°F3.61 in rain
November60°F / 34.4°F1.92 in rain, 0.1 in snow
December48.7°F / 25.5°F1.68 in rain, 2.6 in snow
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 supermarket22% of this ZIP code's area
Far from a supermarket41% of this ZIP code's area
No vehicle and far from a supermarket59% of this ZIP code's area
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%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Blackwell Public Schools74.1% of this ZIP code's land area
Peckham Public School12.2% of this ZIP code's land area
Tonkawa Public Schools8.4% of this ZIP code's land area
Newkirk Public Schools5.3% 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 vulnerability71more vulnerable than 71% of US census tracts
Socioeconomic status65more vulnerable than 65% of US census tracts
Household characteristics87more vulnerable than 87% of US census tracts
Racial and ethnic minority status36more vulnerable than 36% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability7.3 out of 20Below average
Nearby ZIP codes

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

74646 Nardin, OK13.1 km away
74653 Tonkawa, OK13.5 km away
74632 Braman, OK14.9 km away
74602 Ponca City, OK17.7 km away
74636 Deer Creek, OK20.2 km away
74647 Newkirk, OK21 km away
74601 Ponca City, OK21.5 km away
74604 Ponca City, OK22.9 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.

Kay County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area103.37 sq mi
Water area0.05 sq mi
Population density66 people per sq mi
Latitude, longitude36.8006, -97.2867

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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