Johnson County, Kentucky Population 2021

Johnson County, Kentucky's estimated population is 21,782 with a growth rate of -0.92% in the past year according to the most recent United States census data. Johnson County, Kentucky is the 52nd largest county in Kentucky. The 2010 Population was 23,385 and has seen a growth of -6.85% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202121,782-203-0.92%
202021,985-203-0.91%
201922,188-203-0.91%
201822,391-215-0.95%
201722,606-252-1.10%
201622,858-270-1.17%
201523,128-124-0.53%
201423,252-206-0.88%
201323,458550.24%
201223,403-14-0.06%
201123,417320.14%
201023,3851370.59%
199023,248-1,184-4.85%
198024,4326,89339.30%
197017,539-2,209-11.19%
196019,748-4,098-17.19%
195023,846-1,925-7.47%
194025,7712,80312.20%
193022,9683,34617.05%
192019,6222,14012.24%
191017,4823,75227.33%
190013,7302,70324.51%
189011,0271,87220.45%
18809,1551,66122.16%
18707,4942,18841.24%
18605,3061,43337.00%
18503,8730.00%
2021 Growth Rate
-0.92%
County Website
Founded
February 24, 1843
County Seat
2010 Population
23,385
Growth Since 2010
-6.85%
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Johnson County, Kentucky Population Growth

Population by Race

Race Population Percentage
White22,01897.28%
Asian3411.51%
Two or More Races1230.54%
Black or African American1110.49%
Some Other Race240.11%
American Indian and Alaska Native170.08%
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Johnson County, Kentucky Population by Race

Johnson County, Kentucky Population Pyramid $2021

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Johnson County, Kentucky Median Age

41.8


Total

40.8


Male

42.6


Female

Johnson County, Kentucky Adults

There are 17,543 adults, (4,007 of whom are seniors) in Johnson County, Kentucky.

Johnson County, Kentucky Age Dependency

67.2

Age Dependency Ratio

29.6

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Johnson County, Kentucky Sex Ratio

Female

11,513

50.87%

Male

11,121

49.13%

Johnson County, Kentucky Population by Age

Johnson County, Kentucky Renter vs Owner Occupied by Household Type

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Johnson County, Kentucky Household Types

Type Owner Renter
Married85.1%14.9%
All71.9%28.1%
Male70.6%29.4%
Non Family57.6%42.4%
Female53.1%46.9%

71.9%

Rate of Home Ownership

Johnson County, Kentucky Households and Families

Type Count Average Size Owned
All8,4882.5971.9
Married4,4143.3285.1
Non Family2,7811.1357.6
Female9533.2253.1
Male3403.4670.6

3.24

Average Family Size

2.59

Average Household Size

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Johnson County, Kentucky Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,5099.50%
9th to 12th Grade1,5699.88%
High School Graduate5,76336.28%
Some College3,12419.67%
Associates Degree1,3298.37%
Bachelors Degree1,4329.02%
Graduate Degree1,1577.28%
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Johnson County, Kentucky Educational Attainment by Sex (over 25)

Johnson County, Kentucky Educational Attainment by Race

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Race Total High School Bachelors
White15,54512,5172,518
Asian14114151
Black8363
2+ Races633310
Hispanic444420
Other Race2424
Native American1717

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among hispanic people with a rate of 45.45%.

Johnson County, Kentucky Educational Attainment by Race

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Name Average Male Female
Overall$38,287$47,649$29,750
Less Than 9th Grade$24,837$33,512$
High School Graduate$26,543$48,750$21,437
Some College$38,141$41,029$34,336
Bachelors Degree$46,618$51,588$38,992
Graduate Degree$55,588$62,500$52,381

$38,287

Average Earnings

$47,649

Average Male

$29,750

Average Female

Johnson County, Kentucky Earnings by Educational Attainment

Johnson County, Kentucky Language by Age

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Johnson County, Kentucky Language

97.79% of Johnson County, Kentucky residents speak only English, while 2.21% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.03% of the population.

Johnson County, Kentucky Language

Johnson County, Kentucky Poverty by Race

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Name Total In Poverty Poverty Rate
White21,4884,63021.55%
Asian34124672.14%
Multiple1177765.81%
Black655076.92%

22.68%

Overall Poverty Rate

20.29%

Male Poverty Rate

24.96%

Female Poverty Rate

Poverty in Johnson County, Kentucky

The race most likely to be in poverty in Johnson County, Kentucky is Black, with 76.92% below the poverty level.

The race least likely to be in poverty in Johnson County, Kentucky is White, with 21.55% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.96%. Among those working part-time, it was 16.99%, and for those that did not work, the poverty rate was 32.19%.

Johnson County, Kentucky Poverty

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Name Poverty
Less Than 9th Grade40.61%
High School23.84%
Some College17.07%
Bachelors or Greater8.48%

Johnson County, Kentucky Poverty Rate by Education

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Rate Poverty
Female Unemployed52.76%
Male Unemployed42.50%
Female Employed8.71%
Male Employed5.32%

Johnson County, Kentucky Poverty Rate by Employment Status and Sex

Johnson County, Kentucky Income by Household Type

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Name Median Mean
Households$37,055$55,898
Families$47,070$67,041
Married Families$57,933-
Non Families$16,742$31,039
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Income by Household Type

Johnson County, Kentucky Marital Status

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Marriage Rates

53.7%

Overall Marriage Rate

55.8%

Male Marriage Rate

51.7%

Female Marriage Rate

Johnson County, Kentucky Married by Age and Sex

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Johnson County, Kentucky Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Johnson County, Kentucky Marital Status by Race

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Johnson County, Kentucky Marital Status

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1,134

Number of Veterans

1,077

Male Veterans

57

Female Veterans

War Veterans
Vietnam567
Korea108
First Gulf War104
Second Gulf War65
World War II61

Johnson County, Kentucky Veterans by War

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Age Group Veterans
65 to 74451
75+285
35 to 54195
55 to 64180
18 to 3423

Johnson County, Kentucky Veterans by Age

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Name Veterans % of Total
White1,0936.36%
Black4138.32%

Johnson County, Kentucky Veterans by Race

Johnson County, Kentucky Veterans by Education

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16.16%

Veteran Poverty Rate

56.47%

Veteran Disability Rate

Johnson County, Kentucky Veterans by Education

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41.1%

Labor Force Participation

37.5%

Employment Rate

8.7%

Unemployment Rate

Johnson County, Kentucky Employment by Age

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Johnson County, Kentucky Employment by Race

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Johnson County, Kentucky Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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79.34%

Born in Johnson County, Kentucky

98.83%

Native Born

1.17%

Foreign Born

0.74%

Non Citizen

0.42%

Naturalized

Place of Birth

98.83% of Johnson County, Kentucky residents were born in the United States, with 79.34% having been born in Kentucky. 0.74% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Johnson County, Kentucky Place of Birth

  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

Sources