Jefferson County, Kansas Population 2018

Jefferson County, Kansas's estimated population is 18,998 with a growth rate of 0.63% in the past year according to the most recent United States census data. Jefferson County, Kansas is the 29th largest county in Kansas.

Year Population Growth Growth Rate
201718,9981180.63%
201618,880240.13%
201618,856420.22%
201518,814-7-0.04%
201418,821320.17%
201318,789-88-0.47%
201218,877-79-0.42%
201118,956-181-0.95%
201019,1373,23220.32%
199015,9056984.59%
198015,2073,26227.31%
197011,9456936.16%
196011,2521681.52%
195011,084-1,634-12.85%
194012,718-1,411-9.99%
193014,129-621-4.21%
192014,750-1,076-6.80%
191015,826-1,707-9.74%
190017,5339135.49%
189016,6201,0576.79%
188015,5633,03724.25%
187012,5268,067180.92%
18604,4590.00%

Jefferson County, Kansas Population Growth

Population Data via

Population by Race

Race Population
White18,061
Two or More Races546
American Indian and Alaska Native137
Black or African American111
Some Other Race25

Race Data via US Census (2016 ACS 5-Year Survey)

Jefferson County, Kansas Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Jefferson County, Kansas Median Age

43.7


Total

42.7


Male

44.8


Female

Jefferson County, Kansas Adults

There are 14,443 adults, (3,304 of which are seniors) in Jefferson County, Kansas.

Jefferson County, Kansas Age Dependency

69.6

Age Dependency Ratio

29.6

Old Age Dependency Ratio

39.9

Child Dependency Ratio

Jefferson County, Kansas Sex Ratio

Female

9,287

49.19%

Male

9,593

50.81%

Jefferson County, Kansas Households and Families

Jefferson County, Kansas Renter vs Owner Occupied by Household Type

Jefferson County, Kansas Household Types

Type Owner Renter
Married87.8%12.2%
Male84.5%15.5%
All81.5%18.5%
Non Family75.9%24.1%
Female52.3%47.7%

81.5%

Rate of Home Ownership

Jefferson County, Kansas Households by Type

Type Count Average Size Owned
All7,5852.4681.5
Married4,4273.0487.8
Non Family2,2561.1975.9
Female5662.7852.3
Male3362.7484.5

2.92

Average Family Size

2.46

Average Household Size

4.2%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Jefferson County, Kansas Households

Jefferson County, Kansas Education

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

Education Attained Count Percentage
Less Than 9th Grade3372.56%
9th to 12th Grade6755.13%
High School Graduate5,22939.72%
Some College3,21224.40%
Associates Degree1,0047.63%
Bachelors Degree1,91414.54%
Graduate Degree7946.03%

Jefferson County, Kansas Educational Attainment by Race

Name Total High School Bachelors
White12,51711,5692,606
Multiple Races24723520
Hispanic24321244
Native American11110038
Black107905
Other Race25168

The highest rate of high school graduation is among multiple races people with a rate of 95.14%.

The highest rate of bachelors degrees is among multiple races people with a rate of 34.23%.

Jefferson County, Kansas Earnings by Educational Attainment

Name Average Male Female
Overall$37,107$44,701$31,163
Less Than High School$30,011$31,234$15,550
High School Grad$33,553$45,667$21,024
Some College$34,671$41,869$31,086
Bachelors Degree$46,096$46,734$45,754
Graduate Degree$60,710$77,143$55,956

$37,107

Average Earnings

$44,701

Average Male

$31,163

Average Female

Jefferson County, Kansas Language

Jefferson County, Kansas Language by Age

Jefferson County, Kansas Language

97.44% of Jefferson County, Kansas residents speak only English, while 2.56% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.46% of the population.

Jefferson County, Kansas Poverty

Jefferson County, Kansas Poverty by Race

Name Total In Poverty Poverty Rate
White17,4981,5478.84%
Hispanic4196715.99%
Multiple5306011.32%
Native1372618.98%
Black6258.06%

9.13%

Overall Poverty Rate

7.43%

Male Poverty Rate

10.88%

Female Poverty Rate

Poverty in Jefferson County, Kansas

The race most likely to be in poverty in Jefferson County, Kansas is Native, with 18.98% below the poverty level.

The race least likely to be in poverty in Jefferson County, Kansas is Black, with 8.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.78%. Among those working part-time, it was 13.26%, and for those that did not work, the poverty rate was 13.47%.

Jefferson County, Kansas Poverty Rate by Education

Name Poverty
Less Than High School19.92%
High School9.13%
Some College6.04%
Bachelors or Greater3.09%

Jefferson County, Kansas Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed33.19%
Male Unemployed29.20%
Female Employed6.05%
Male Employed3.11%

Jefferson County, Kansas Income

Jefferson County, Kansas Income by Household Type

Name Median Mean
Households$56,777$64,722
Families$70,775$74,155
Married Families$76,587$
Non Families$32,108$39,377

Jefferson County, Kansas Marital Status

Jefferson County, Kansas Marital Status

Marriage Rates

59.9%

Overall Marriage Rate

62.2%

Male Marriage Rate

57.7%

Female Marriage Rate

Jefferson County, Kansas Married by Age and Sex

Jefferson County, Kansas Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Jefferson County, Kansas Marital Status by Race

Jefferson County, Kansas Veterans

Jefferson County, Kansas Veterans by War

1,479

Number of Veterans

1,391

Male Veterans

88

Female Veterans

Name Veterans
Vietnam680
Korea223
First Gulf War221
Second Gulf War93
World War II44

Jefferson County, Kansas Veterans by Age

Name Veterans
65 to 74446
55 to 64425
75+340
35 to 54236
18 to 3432

Jefferson County, Kansas Veterans by Race

Name Veterans % of Total
White1,40410.11%
Black3533.02%
2 or More299.90%
Hispanic238.30%
Indian98.11%
Other28.00%

Jefferson County, Kansas Veterans by Education

3.17%

Veteran Poverty Rate

29.69%

Veteran Disability Rate

Jefferson County, Kansas Employment Status

Jefferson County, Kansas Employment by Age

64.8%

Labor Force Participation

60.2%

Employment Rate

7.1%

Unemployment Rate

Jefferson County, Kansas Employment by Race

Jefferson County, Kansas Employment by Education

Population of Cities in Jefferson County, Kansas

City 2010 Census 2016 Estimated Growth Growth Rate
Valley Falls11921149-43-3.61%
Oskaloosa11131078-35-3.14%
Perry929906-23-2.48%
McLouth880847-33-3.75%
Meriden813783-30-3.69%
Ozawkie645629-16-2.48%
Nortonville637613-24-3.77%
Winchester551530-21-3.81%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990