Seminole County, Oklahoma Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Seminole County, OK Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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D
Health Well below averageLess healthy than 86% of counties in Oklahoma
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D
Income Well below averageLess wealthy than 92% of counties in Oklahoma
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F
Education Well below averageLess educated than 72% of counties in Oklahoma
Source: Map AI Methodology
Population: density and quick facts
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| Population | 23,493 | 4,028,385 | 337,468,954 |
| Population density (per sq mi) | 36.7 | 57.6 | 86.4 |
| Population growth (%/yr) | -0.97% | 0.48% | 0.59% |
| Median age | 37.8 | 38.2 | 37.3 |
| Households | 8,782 | 1,561,116 | 130,235,071 |
Population in Seminole County declined by 2.7% from 2009 to 2024, reaching 23,493 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Seminole County is Gen Z, aged 13–28, at 21.0% of residents. That is 1.5 points below Oklahoma as a whole.
- Gen Z 13–28 4,941 21.0% -1.5 pts
- Millennials 29–44 4,265 18.2% -3.3 pts
- Gen X 45–60 4,693 20.0% +1.5 pts
- Boomers 61–79 4,292 18.3% +1.4 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Oklahoma, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.4% of the people living in Seminole County and men 48.6%.
- Women 51.4% Oklahoma 50.3%
- Men 48.6% Oklahoma 49.7%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Seminole County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Seminole County has a the economy index of D, which means it is barely prosperous.
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| Median household income | $47,964 | $65,606 | $80,455 |
| Income growth (%/yr) | 3.28% | 3.94% | 4.80% |
| Unemployment rate | 6.3% | 4.9% | 5.2% |
The median household income in Seminole County is about 27% lower than in Oklahoma.
Housing
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| Median home price | $141,249 | $133,462 | $248,835 |
| Median rent | $752 | $1,014 | $1,407 |
| Homeownership rate | 71.0% | 65.8% | 65.2% |
The median home price in Seminole County is about 15.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $752 per month for that long.
Commute Time & Mobility
Commuters in Seminole County spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 175 hours, about 7.3 full days, spent commuting.
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.0 | 19.0 | 22.4 |
| Round-trip commute (min) | 41.9 | 37.9 | 44.8 |
| Yearly time spent (hours) | 175 | 158 | 187 |
| Estimated yearly cost | $5,415 | $4,901 | $5,790 |
| Work from home | 8.1% | 9.4% | 15.0% |
| Highway traffic (vehicles/day) | 4,042 | 5,635 | 8,813 |
| Local road traffic (vehicles/day) | 650 | 941 | 1,355 |
Fastest commutes among counties in
Oklahoma:
Cimarron County (4.8 min), Woods County (8.5 min), Harmon County (8.8 min).
Slowest:
Cotton County (30.4 min), Logan County (28.5 min), Lincoln County (28.0 min).
The average commute time in Seminole County is 21 minutes, longer than the 19 minutes in Oklahoma.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Seminole County has a education index of F, which means it scores poorly in education.
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 13.4% | 24.8% | 31.6% |
| Average household size | 2.59 | 2.50 | 2.53 |
Highest education index among counties in
Oklahoma:
Payne County (0.3), Cleveland County (0.3), Oklahoma County (0.3).
Lowest:
Adair County (0.2), Okfuskee County (0.2), Greer County (0.2).
Health
Seminole County has a health index of D, which means it is barely healthy.
| Metric | Seminole County | Oklahoma Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.9 | 76.5 | 78.3 |
| Self-rated poor health | 23.6% | 20.3% | 16.3% |
| Smokers | 26.5% | 22.6% | 19.0% |
Highest health index among counties in
Oklahoma:
Cleveland County (0.8), Canadian County (0.8), Woods County (0.8).
Lowest:
Adair County (0.7), McIntosh County (0.7), Choctaw County (0.7).
Seminole County, OK Compared With Nearby Counties
Seminole County, OK is the smallest of the 4 counties compared here, 23,493 residents against a local median of 38,234. The measure that sets Seminole County, OK apart most is median household income: $47,964, 23% below the local median of $62,551. That is the weaker end of the local range on this measure.
The counties themselves sit within $2,014 of each other on median household income, a tighter band than the gap between any of them and Seminole County, OK, which makes it a genuine outlier here rather than one end of a wide local spread. Seminole County, OK has the 4th highest median household income of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Seminole County, OK | 23,493 | $47,964 #4/4 | $141,249 #2/4 | 21.0 min #3/4 |
| Pottawatomie County, OK | 73,462 | $61,519 | $157,894 | 18.6 min |
| Pontotoc County, OK | 38,234 | $63,534 | $74,000 | 15.4 min |
| Lincoln County, OK | 34,218 | $62,551 | $132,296 | 28.0 min |
Frequently Asked Questions
Common questions about Seminole County, Oklahoma.
How big is Seminole County, Oklahoma by population?
About 23,493 people live in Seminole County, Oklahoma, in 8,782 households of 2.6 people on average. The median age is 37.8, close to the U.S. median of 37.3.
How densely populated is Seminole County, Oklahoma?
Averaged over its land area, Seminole County, Oklahoma has 37 people per square mile, a density typical of rural areas. That is about 42% of the U.S. average of 86.
Can a typical household afford a home in Seminole County, Oklahoma?
The median home costs 2.9 times the median household income ($141,249 against $47,964), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $752 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Seminole County, Oklahoma?
13.4% of adults in Seminole County, Oklahoma hold a bachelor's degree or higher (about 1 in 7), well below the U.S. share of 31.6%.
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