Knox County, Ohio Population 2021

Knox County, Ohio's estimated population is 63,166 with a growth rate of 0.67% in the past year according to the most recent United States census data. Knox County, Ohio is the 41st largest county in Ohio. The 2010 Population was 61,090 and has seen a growth of 3.40% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202163,1664220.67%
202062,7444220.68%
201962,3224220.68%
201861,9006291.03%
201761,2713620.59%
201660,909-92-0.15%
201561,00110.00%
201461,0001420.23%
201360,858940.15%
201260,764-519-0.85%
201161,2831930.32%
201061,09013,61728.68%
199047,4731,1692.52%
198046,3044,50910.79%
197041,7952,9877.70%
196038,8083,5219.98%
195035,2874,26313.74%
194031,0241,6865.75%
193029,338-242-0.82%
192029,580-601-1.99%
191030,1812,4138.69%
190027,7681680.61%
189027,6001690.62%
188027,4311,0984.17%
187026,333-1,402-5.05%
186027,735-1,137-3.94%
185028,872-707-2.39%
184029,57912,49473.13%
183017,0858,759105.20%
18208,3266,177287.44%
18102,1490.00%
2021 Growth Rate
0.67%
County Website
State
Founded
March 1, 1808[1]
County Seat
2010 Population
61,090
Growth (since 2010)
3.40%
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Knox County, Ohio Population Growth

Population by Race

Race Population Percentage
White59,29296.44%
Two or More Races1,0691.74%
Black or African American6070.99%
Asian2820.46%
American Indian and Alaska Native1450.24%
Some Other Race730.12%
Native Hawaiian and Other Pacific Islander130.02%
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Knox County, Ohio Population by Race

Knox County, Ohio Population Pyramid 2021

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Knox County, Ohio Median Age

39.4


Total

38.7


Male

39.8


Female

Knox County, Ohio Adults

There are 47,450 adults, (10,906 of whom are seniors) in Knox County, Ohio.

Knox County, Ohio Age Dependency

68.2

Age Dependency Ratio

29.8

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Knox County, Ohio Sex Ratio

Female

31,603

51.40%

Male

29,878

48.60%

Knox County, Ohio Population by Age

Knox County, Ohio Renter vs Owner Occupied by Household Type

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Knox County, Ohio Household Types

Type Owner Renter
Married85.9%14.1%
All72%28%
Non Family58.5%41.5%
Male48.1%51.9%
Female42.2%57.8%

72.0%

Rate of Home Ownership

Knox County, Ohio Households and Families

Type Count Average Size Owned
All23,2482.4972
Married13,0273.0685.9
Non Family7,2461.2458.5
Female2,0212.9242.2
Male9543.2648.1

2.97

Average Family Size

2.49

Average Household Size

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Knox County, Ohio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,6033.97%
9th to 12th Grade1,9214.75%
High School Graduate16,08139.79%
Some College8,38620.75%
Associates Degree3,1447.78%
Bachelors Degree6,12815.16%
Graduate Degree3,1527.80%
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Knox County, Ohio Educational Attainment by Sex (over 25)

Knox County, Ohio Educational Attainment by Race

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Name Total High School Bachelors
White38,95435,5808,929
Hispanic42935734
Black392375154
Multiple Races36334053
Asian21919996
Native American7153
Other Race606017
Islander1313

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

The highest rate of bachelors degrees is among asian people with a rate of 43.84%.

Knox County, Ohio Educational Attainment by Race

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Name Average Male Female
Overall$37,693$46,487$28,714
Less Than High School$20,329$22,168$15,990
High School Grad$33,221$42,093$23,638
Some College$37,467$48,411$29,063
Bachelors Degree$46,583$63,350$37,239
Graduate Degree$54,669$61,509$53,650

$37,693

Average Earnings

$46,487

Average Male

$28,714

Average Female

Knox County, Ohio Earnings by Educational Attainment

Knox County, Ohio Language by Age

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Knox County, Ohio Language

95.29% of Knox County, Ohio residents speak only English, while 4.71% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.49% of the population.

Knox County, Ohio Language

Knox County, Ohio Poverty by Race

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Name Total In Poverty Poverty Rate
White55,5676,99012.58%
Multiple92030132.72%
Black49112725.87%
Hispanic75112316.38%
Native1457551.72%
Other682739.71%
Asian2492510.04%
Islander1313100.00%

13.10%

Overall Poverty Rate

11.73%

Male Poverty Rate

14.44%

Female Poverty Rate

Poverty in Knox County, Ohio

The race most likely to be in poverty in Knox County, Ohio is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Knox County, Ohio is Asian, with 10.04% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.54%. Among those working part-time, it was 15.55%, and for those that did not work, the poverty rate was 18.30%.

Knox County, Ohio Poverty

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Name Poverty
Less Than High School36.63%
High School9.39%
Some College7.60%
Bachelors or Greater4.59%

Knox County, Ohio Poverty Rate by Education

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Name Poverty
Female Unemployed32.06%
Male Unemployed17.97%
Female Employed7.13%
Male Employed5.46%

Knox County, Ohio Poverty Rate by Employment Status and Sex

Knox County, Ohio Income by Household Type

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Name Median Mean
Households$57,749$68,356
Families$68,569$78,395
Married Families$76,976-
Non Families$30,798$41,380
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Income by Household Type

Knox County, Ohio Marital Status

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Marriage Rates

53.7%

Overall Marriage Rate

54.6%

Male Marriage Rate

52.9%

Female Marriage Rate

Knox County, Ohio Married by Age and Sex

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Knox County, Ohio 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 45-54.

Knox County, Ohio Marital Status by Race

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Knox County, Ohio Marital Status

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4,403

Number of Veterans

4,096

Male Veterans

307

Female Veterans

War Veterans
Vietnam1,647
First Gulf War1,003
Second Gulf War591
Korea259
World War II137

Knox County, Ohio Veterans by War

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Age Group Veterans
35 to 541,156
65 to 741,121
75+936
55 to 64847
18 to 34343

Knox County, Ohio Veterans by Age

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Name Veterans % of Total
White4,2369.22%
Black6912.66%
2 or More6513.29%
Hispanic477.33%
Other1726.15%
Asian166.35%

Knox County, Ohio Veterans by Race

Knox County, Ohio Veterans by Education

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4.89%

Veteran Poverty Rate

27.83%

Veteran Disability Rate

Knox County, Ohio Veterans by Education

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61.2%

Labor Force Participation

58.4%

Employment Rate

4.4%

Unemployment Rate

Knox County, Ohio Employment by Age

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Knox County, Ohio Employment by Race

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Knox County, Ohio 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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79.08%

Born in Ohio

98.70%

Native Born

1.30%

Foreign Born

0.71%

Non Citizen

0.58%

Naturalized

Place of Birth

98.70% of Knox County, Ohio residents were born in the United States, with 79.08% having been born in Ohio. 0.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Knox County, Ohio 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