COUNTY · 2000 CENSUS

Kay County

Oklahoma · 48,080 residents · 919.61 sq mi

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Part of the Ponca City micropolitan area

The short version

Kay County has notably lower household income than the US average, with a median household income of $30,762. Population has held roughly steady since 1990. Median home value is $53,900.

At a glance

Lower income

below the US median

US median: $42,589

Older

median age 38.1

US median: 35.2

Less educated

18% hold a bachelor's degree

US average: 24%

Stable housing

home values roughly flat, inflation adjusted

US median home: $120,530

Section 01

Population & growth

Total population

48,080

Unchangedsince 1990

from 48,056 in 1990

1990 – 2025

Population density

52 / sq mi

Unchangedsince 1990

from 52 / sq mi in 1990

US average: 242

Median age

38.1

+7%since 1990

from 35.6 in 1990

US average: 35.2

Population, 1990 – 2024

202444K

Section 02

Income & economy

Median household income

$30,762

−4%inflation adjusted, since 1990

from $24,295 in 1990

US average: $42,589

1990 – 2024

Per capita income

$16,643

+34%since 1990

from $12,394 in 1990

US average: $21,522

Poverty rate

16.0%

+3.1 ptssince 1990

from 12.9% in 1990

US average: 12.4%

Section 03

Housing

Median home value

$53,900

−3%inflation adjusted, since 1990

from $42,100 in 1990

US average: $120,530

1990 – 2024

Median gross rent

$414

−4%inflation adjusted, since 1990

from $327 in 1990

US average: $602

Owner-occupied

71.7%

−1.2 ptssince 1990

from 72.9% in 1990

28.3% rent

Afford Score

1.8

+1%since 1990

from 1.7 in 1990

1990 – 2024

RELATED:See current rent listings in Kay County on RentDataNow

Section 04

Race & ethnicity

1990

White, non-Hispanic89.7%(43,124)

Black1.7%(809)

Hispanic / Latino1.8%(875)

Asian0.4%(178)

Diversity Score27%(12,985)

2000

White, non-Hispanic82.5%(39,687)

Black1.8%(850)

Hispanic / Latino4.3%(2,045)

Asian0.5%(246)

Diversity Score17.3%(8,330)

Diversity Score

−36%since 1990

from 27 in 1990

1990 – 2024

Section 05

Education

Bachelor's degree or higher

18.3%

−0.2 ptssince 1990

from 18.5% in 1990

US average: 24.4%

High school or higher

80.9%

+4.1 ptssince 1990

from 76.8% in 1990

US average: 80.3%

Graduate degree

5.1%

−0.5 ptssince 1990

from 5.6% in 1990

US average: 8.8%

Section 06

Commute & transportation

Average commute

11.6 min

−19%since 1990

from 14.3 min in 1990

US average: 17.6

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Kay County

Head to head

Compare Kay County to nearby counties

KAY COUNTY VS

Noble County

Income$66,365+116%

Home value$146,400+172%

Population10,899−75%

SEE FULL COMPARISON →

KAY COUNTY VS

Cowley County

Income$57,878+88%

Home value$120,900+124%

Population34,382−21%

SEE FULL COMPARISON →

KAY COUNTY VS

Sumner County

Income$63,951+108%

Home value$135,100+151%

Population22,312−49%

SEE FULL COMPARISON →

KAY COUNTY VS

Grant County

Income$60,758+98%

Home value$105,700+96%

Population4,067−91%

SEE FULL COMPARISON →

Frequently asked

How many people live in Kay County, Oklahoma?

Kay County, Oklahoma has about 48,080 residents according to the 2000 Census.

What is the median household income in Kay County, Oklahoma?

The typical household in Kay County, Oklahoma earns about $30,762 a year. Half of households make more than that, and half make less.

Is Kay County, Oklahoma expensive?

In Kay County, Oklahoma, the median home is worth about $53,900, and the typical rent is about $414 a month.

How educated are people in Kay County, Oklahoma?

About 18.3% of adults age 25 and over in Kay County, Oklahoma hold a bachelor's degree or higher.

What is the poverty rate in Kay County, Oklahoma?

About 16.0% of people in Kay County, Oklahoma live below the federal poverty line.

Has Kay County, Oklahoma grown since 1990?

Yes, Kay County, Oklahoma has grown since 1990. The population has added about 24 residents, a change of about 0 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →