Decatur County, Kansas Population 2024

2,735

Decatur County, Kansas's estimated 2024 population is 2,735 with a growth rate of 0.85% in the past year according to the most recent United States census data. Decatur County, Kansas is the 82nd largest county in Kansas. The 2010 population was 2,957 and has seen a growth of -7.51% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20292,850230.81%
20282,827230.82%
20272,804230.83%
20262,781230.83%
20252,758230.84%
20242,735230.85%
20232,712230.86%
20222,689-77-2.78%
20212,76670.25%
20202,759-57-2.02%
20192,816-26-0.91%
20182,842-24-0.84%
20172,866371.31%
20162,829-98-3.35%
20152,927270.93%
20142,900-11-0.38%
20132,911250.87%
20122,886-41-1.4%
20112,927-30-1.01%
20102,95700%
19904,021-488-10.82%
19804,509-479-9.6%
19704,988-790-13.67%
19605,778-407-6.58%
19506,185-1,249-16.8%
19407,434-1,432-16.15%
19308,8667459.17%
19208,121-855-9.53%
19108,976-258-2.79%
19009,2348209.75%
18908,4144,234101.29%
18804,1801,33046.67%
2024 Growth Rate
0.85% (23)
County Website
Decatur County
State
Kansas
County Seat
Oberlin
2020 Population
2,759
Area
894 mi²
Density
3 people/mi²
Growth Since 2020
-0.87% (-24)
Founded
March 20, 1873

Population by Race

Race
Population
Percentage (of total)
White2,54592.68%
Two or more races792.88%
Other race531.93%
Black or African American471.71%
Native American130.47%
Asian90.33%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Decatur County, Kansas Population by Race

Decatur County, Kansas Population Pyramid 2024

Decatur County, Kansas Median Age

52.1

Total

46.7

Male

54.2

Female

Decatur County, Kansas Adults

There are 2,199 adults, (804 of whom are seniors) in Decatur County, Kansas.

Decatur County, Kansas Age Dependency

96.8

Age Dependency Ratio

57.6

Old Age Dependency Ratio

39.2

Child Dependency Ratio

Decatur County, Kansas Sex Ratio

Female1,31547.89%
Male1,43152.11%

Decatur County, Kansas Population by Age

Decatur County, Kansas Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,3731.9679.420.6
Married6402.7184.215.8
Non Family5991.17624
Female712.4481.718.3
Male632.0860.339.7

2.51

Average Family Size

1.96

Average Household Size

79.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Decatur County, Kansas Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade994.56%
Associates Degree26612.25%
Bachelors Degree47521.87%
Graduate Degree1295.94%
High School Graduate64129.51%
Less Than 9th Grade281.29%
Some College53424.59%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Decatur County, Kansas Educational Attainment by Sex (over 25)

Decatur County, Kansas Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White1,9991,897550
Hispanic714821
2+ Races605637
Black474717
Other Race2480
Native American13130
Asian990

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 61.67%.

Decatur County, Kansas Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$48,281$59,219$0
Graduate Degree$46,250$0$52,614
High School Graduate$28,214$46,750$20,500
Less Than 9th Grade$0$56,196$0
Overall$33,894$44,306$27,659
Some College$33,486$38,207$30,385

$33,894

Average Earnings

$44,306

Average Male

$27,659

Average Female

Decatur County, Kansas Earnings by Educational Attainment

Decatur County, Kansas Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Decatur County, Kansas Language

96.85% of Decatur County, Kansas residents speak only English, while 3.15% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.35% of the population.

Decatur County, Kansas Language

Decatur County, Kansas Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White2,42327511.35%
Hispanic1104540.91%
Other534177.36%
Multiple771012.99%
Native13538.46%

12.96%

Overall Poverty Rate

10%

Male Poverty Rate

16.24%

Female Poverty Rate

Poverty in Decatur County, Kansas

The race most likely to be in poverty in Decatur County, Kansas is Other, with 77.36% below the poverty level.

The race least likely to be in poverty in Decatur County, Kansas is White, with 11.35% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.62%. Among those working part-time, it was 13.33%, and for those that did not work, the poverty rate was 16.82%.

Decatur County, Kansas Poverty

rate

Rate
Poverty
Less Than 9th Grade23.64%
High School12.46%
Some College6.76%
Bachelors or Greater6.57%

Decatur County, Kansas Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed77.78%
Female Employed10.13%
Male Employed5.77%
Male Unemployed4.55%

Decatur County, Kansas Poverty Rate by Employment Status and Sex

Decatur County, Kansas Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$74,167$92,981
Households$52,030$71,773
Married Families$84,375$-999,999,999
Non Families$36,875$41,316

mean

median

Income by Household Type

Decatur County, Kansas Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.6%

Overall Marriage Rate

58.1%

Male Marriage Rate

55.1%

Female Marriage Rate

Decatur County, Kansas Married by Age and Sex

male

female

Decatur County, Kansas Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 20-34.

Decatur County, Kansas Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Decatur County, Kansas Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

107

Number of Veterans

103

Male Veterans

4

Female Veterans

War
Veterans
Vietnam70
Second Gulf War37
First Gulf War10
Korea0
World War II0

Decatur County, Kansas Veterans by War

count

Age Group
Veterans
65 to 7446
75+24
18 to 3415
35 to 5411
55 to 6411

Decatur County, Kansas Veterans by Age

count

Name
Veterans
% of Total
White934.55%
Black1123.4%
Hispanic34.17%
Other Race28.33%
2+ Races11.64%

Decatur County, Kansas Veterans by Race

Decatur County, Kansas Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

38.32%

Veteran Disability Rate

Decatur County, Kansas Veterans by Education

LaborForceParticipation

63.2%

Labor Force Participation

60.9%

Employment Rate

3.7%

Unemployment Rate

Decatur County, Kansas Employment by Age

LaborForceParticipation

Decatur County, Kansas Employment by Race

LaborForceParticipation

Decatur County, Kansas Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

65.4%

Born in Decatur County, Kansas

97.82%

Native Born

2.18%

Foreign Born

1.57%

Non Citizen

0.62%

Naturalized

Place of Birth

97.82% of Decatur County, Kansas residents were born in the United States, with 65.4% having been born in Kansas. 1.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Decatur County, Kansas Place of Birth

Sources