Knox County, Illinois Population 2019

Knox County, Illinois's estimated population is 50,638 with a growth rate of -0.60% in the past year according to the most recent United States census data. Knox County, Illinois is the 29th largest county in Illinois.

Year Population Growth Growth Rate
201750,638-307-0.60%
201650,945-368-0.72%
201551,313-576-1.11%
201451,889-195-0.37%
201352,084-187-0.36%
201252,271-405-0.77%
201152,676-229-0.43%
201052,905-3,488-6.19%
199056,393-5,214-8.46%
198061,6073270.53%
197061,2800.00%
196061,2806,91412.72%
195054,3662,1164.05%
194052,2509141.78%
193051,3364,6099.86%
192046,7275681.23%
191046,1592,5475.84%
190043,6124,86012.54%
189038,7524081.06%
188038,344-1,178-2.98%
187039,52210,85937.89%
186028,66315,384115.85%
185013,2796,21988.09%
18407,0606,7862476.64%
18302740.00%

Knox County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White44,276
Black or African American4,569
Some Other Race987
Two or More Races828
Asian538
American Indian and Alaska Native176

Knox County, Illinois Population Pyramid 2019

Knox County, Illinois Median Age

42.2


Total

39.6


Male

45.3


Female

Knox County, Illinois Adults

There are 41,227 adults, (10,233 of whom are seniors) in Knox County, Illinois.

Knox County, Illinois Age Dependency

65.8

Age Dependency Ratio

33

Old Age Dependency Ratio

32.7

Child Dependency Ratio

Knox County, Illinois Sex Ratio

Female

25,295

49.24%

Male

26,079

50.76%

Knox County, Illinois Households and Families

Knox County, Illinois Renter vs Owner Occupied by Household Type

Knox County, Illinois Household Types

Type Owner Renter
Married85.9%14.1%
All66.1%33.9%
Female51.9%48.1%
Non Family51.6%48.4%
Male49.7%50.3%

66.1%

Rate of Home Ownership

Type Count Average Size Owned
All20,9812.2566.1
Non Family8,9331.2251.6
Married8,8842.985.9
Female2,2703.2451.9
Male8943.4649.7

2.88

Average Family Size

2.25

Average Household Size

8.5%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Knox County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade1,0402.91%
9th to 12th Grade3,2649.13%
High School Graduate12,76235.69%
Some College8,47623.71%
Associates Degree3,81710.68%
Bachelors Degree4,09411.45%
Graduate Degree2,3036.44%

Knox County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White31,44928,3166,030
Black2,4221,64661
Hispanic1,3871,049126
Other Race50936714
Multiple Races35229141
Asian216196125
Native American717147

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 native american people with a rate of 66.20%.

Name Average Male Female
Overall$31,345$37,753$25,572
Less Than High School$16,484$21,036$13,420
High School Grad$25,302$31,041$20,322
Some College$31,878$41,327$26,194
Bachelors Degree$41,710$51,667$35,977
Graduate Degree$54,063$68,438$51,421

$31,345

Average Earnings

$37,753

Average Male

$25,572

Average Female

Knox County, Illinois Language

Knox County, Illinois Language by Age

Knox County, Illinois Language

94.78% of Knox County, Illinois residents speak only English, while 5.22% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.77% of the population.

Knox County, Illinois Poverty

Knox County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White40,7825,91714.51%
Black3,1311,84258.83%
Hispanic2,25166929.72%
Other86421925.35%
Multiple79218423.23%
Asian346329.25%
Native1763017.05%

18.11%

Overall Poverty Rate

17.56%

Male Poverty Rate

18.64%

Female Poverty Rate

Poverty in Knox County, Illinois

The race most likely to be in poverty in Knox County, Illinois is Black, with 58.83% below the poverty level.

The race least likely to be in poverty in Knox County, Illinois is Asian, with 9.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.48%. Among those working part-time, it was 17.97%, and for those that did not work, the poverty rate was 25.33%.

Name Poverty
Less Than High School29.43%
High School17.86%
Some College9.94%
Bachelors or Greater3.94%
Name Poverty
Female Unemployed45.70%
Male Unemployed37.25%
Female Employed10.29%
Male Employed5.79%

Knox County, Illinois Income

Knox County, Illinois Income by Household Type

Name Median Mean
Households$41,972$55,899
Families$57,708$69,982
Married Families$70,797$82,365
Non Families$25,394$34,802

Knox County, Illinois Marital Status

Knox County, Illinois Marital Status

Marriage Rates

43.6%

Overall Marriage Rate

42.8%

Male Marriage Rate

44.4%

Female Marriage Rate

Knox County, Illinois Married by Age and Sex

Knox County, Illinois 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 55-64.

Knox County, Illinois Marital Status by Race

Knox County, Illinois Veterans

3,687

Number of Veterans

3,551

Male Veterans

136

Female Veterans

War Veterans
Vietnam1,522
First Gulf War486
Korea483
Second Gulf War269
World War II105

Knox County, Illinois Veterans by Race

Name Veterans % of Total
White3,5389.78%
Black1203.51%
Hispanic653.32%
Other111.63%
Asian92.24%
2 or More81.86%
Indian11.18%

Knox County, Illinois Veterans by Education

6.42%

Veteran Poverty Rate

31.49%

Veteran Disability Rate

Knox County, Illinois Employment Status

53.7%

Labor Force Participation

50.3%

Employment Rate

6.3%

Unemployment Rate

Population of Cities in Knox County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Galesburg3218930960-1229-3.82%
Abingdon32863149-137-4.17%
Knoxville29172811-106-3.63%
Wataga843807-36-4.27%
East Galesburg816792-24-2.94%
Oneida702674-28-3.99%
Yates City691664-27-3.91%
Williamsfield578555-23-3.98%
Altona529506-23-4.35%
London Mills 392381-11-2.81%
Victoria316306-10-3.16%
Maquon289280-9-3.11%
Henderson255247-8-3.14%
Rio220213-7-3.18%
St. Augustine122118-4-3.28%
  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