Knox County, Illinois Population 2018

Knox County, Illinois's estimated population is 50,638 with a growth rate of -2.15% 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
201750,638-1,114-2.15%
201651,7528071.58%
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
White44,825
Black or African American4,400
Some Other Race1,097
Two or More Races753
Asian558
American Indian and Alaska Native119

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

Knox County, Illinois Population Pyramid 2018

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

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

Knox County, Illinois Median Age

42.1


Total

40.1


Male

45


Female

Knox County, Illinois Adults

There are 41,453 adults, (10,143 of which are seniors) in Knox County, Illinois.

Knox County, Illinois Age Dependency

65.3

Age Dependency Ratio

32.4

Old Age Dependency Ratio

32.9

Child Dependency Ratio

Knox County, Illinois Sex Ratio

Female

25,572

49.41%

Male

26,180

50.59%

Knox County, Illinois Households and Families

Knox County, Illinois Renter vs Owner Occupied by Household Type

Knox County, Illinois Household Types

Type Owner Renter
Married85.7%14.3%
All65.4%34.6%
Non Family51.6%48.4%
Male49.1%50.9%
Female48.8%51.2%

65.4%

Rate of Home Ownership

Knox County, Illinois Households by Type

Type Count Average Size Owned
All21,1462.2665.4
Non Family9,1261.251.6
Married8,8352.9485.7
Female2,3283.3948.8
Male8573.4349.1

2.93

Average Family Size

2.26

Average Household Size

8.6%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Knox County, Illinois Households

Knox County, Illinois Education

Knox County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade1,1043.06%
9th to 12th Grade3,2248.94%
High School Graduate13,22836.68%
Some College8,23922.85%
Associates Degree3,74910.40%
Bachelors Degree4,14811.50%
Graduate Degree2,3686.57%

Knox County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White31,73228,4446,093
Black2,4571,73977
Hispanic1,3681,089137
Other Race53542433
Multiple Races33025844
Asian227227149
Native American504728

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

The highest rate of bachelors degrees is among asian people with a rate of 65.64%.

Knox County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$30,851$37,336$24,750
Less Than High School$14,488$17,941$13,183
High School Grad$24,005$30,841$19,528
Some College$31,734$41,078$25,554
Bachelors Degree$40,755$50,238$32,713
Graduate Degree$51,886$60,536$51,031

$30,851

Average Earnings

$37,336

Average Male

$24,750

Average Female

Knox County, Illinois Language

Knox County, Illinois Language by Age

Knox County, Illinois Language

94.74% of Knox County, Illinois residents speak only English, while 5.26% speak other languages. The largest non-English language 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
White41,3095,86514.20%
Black3,1031,72455.56%
Hispanic2,28462327.28%
Other98725926.24%
Multiple71521630.21%
Asian389369.25%
Native1193025.21%

17.62%

Overall Poverty Rate

16.62%

Male Poverty Rate

18.58%

Female Poverty Rate

Poverty in Knox County, Illinois

The race most likely to be in poverty in Knox County, Illinois is Black, with 55.56% 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 3.52%. Among those working part-time, it was 17.21%, and for those that did not work, the poverty rate was 24.32%.

Knox County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School31.28%
High School17.32%
Some College9.68%
Bachelors or Greater3.97%

Knox County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed48.92%
Male Unemployed31.43%
Female Employed9.02%
Male Employed5.76%

Knox County, Illinois Income

Knox County, Illinois Income by Household Type

Name Median Mean
Households$40,605$53,897
Families$55,010$67,735
Married Families$67,840$80,148
Non Families$24,788$33,745

Knox County, Illinois Marital Status

Knox County, Illinois Marital Status

Marriage Rates

43.2%

Overall Marriage Rate

43.0%

Male Marriage Rate

43.4%

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 Over65, while the female age group most likely to be married is 55To64.

Knox County, Illinois Marital Status by Race

Knox County, Illinois Veterans

Knox County, Illinois Veterans by War

4,136

Number of Veterans

3,899

Male Veterans

237

Female Veterans

Name Veterans
Vietnam1,569
Korea555
First Gulf War531
Second Gulf War332
World War II210

Knox County, Illinois Veterans by Age

Name Veterans
65 to 741,219
75+1,158
55 to 64801
35 to 54796
18 to 34162

Knox County, Illinois Veterans by Race

Name Veterans % of Total
White3,98010.89%
Black1364.15%
Hispanic542.84%
Asian82.12%
Other70.93%
2 or More30.74%
Indian23.17%

Knox County, Illinois Veterans by Education

5.91%

Veteran Poverty Rate

31.59%

Veteran Disability Rate

Knox County, Illinois Employment Status

Knox County, Illinois Employment by Age

53.7%

Labor Force Participation

50%

Employment Rate

6.8%

Unemployment Rate

Knox County, Illinois Employment by Race

Knox County, Illinois Employment by Education

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%
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