Randolph County, Illinois Population 2021

Randolph County, Illinois's estimated population is 30,992 with a growth rate of -1.26% in the past year according to the most recent United States census data. Randolph County, Illinois is the 48th largest county in Illinois. The 2010 Population was 33,464 and has seen a growth of -7.39% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202130,992-395-1.26%
202031,387-395-1.24%
201931,782-395-1.23%
201832,177-120-0.37%
201732,297-117-0.36%
201632,414-392-1.19%
201532,806-332-1.00%
201433,138-37-0.11%
201333,1751000.30%
201233,075-350-1.05%
201133,425-39-0.12%
201033,464-1,119-3.24%
199034,583-1,069-3.00%
198035,6524,27313.62%
197031,3791,3914.64%
196029,988-1,685-5.32%
195031,673-1,935-5.76%
194033,6084,29514.65%
193029,3132040.70%
192029,109-11-0.04%
191029,1201,1194.00%
190028,0012,95211.78%
189025,049-641-2.50%
188025,6904,83123.16%
187020,8593,65421.24%
186017,2056,12655.29%
185011,0793,13539.46%
18407,9443,51579.36%
18304,42993726.83%
18203,492-3,783-52.00%
18107,2756,172559.56%
18001,1030.00%
2021 Growth Rate
-1.26%
County Website
Founded
1795
County Seat
2010 Population
33,464
Growth Since 2010
-7.39%
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Randolph County, Illinois Population Growth

Population by Race

Race Population Percentage
White28,03186.80%
Black or African American3,25210.07%
Two or More Races4731.46%
Some Other Race2890.89%
Asian1900.59%
American Indian and Alaska Native570.18%
Native Hawaiian and Other Pacific Islander30.01%
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Randolph County, Illinois Population by Race

Randolph County, Illinois Population Pyramid $2021

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Randolph County, Illinois Median Age

41.6


Total

39.5


Male

44.9


Female

Randolph County, Illinois Adults

There are 26,080 adults, (5,971 of whom are seniors) in Randolph County, Illinois.

Randolph County, Illinois Age Dependency

60.6

Age Dependency Ratio

29.7

Old Age Dependency Ratio

30.9

Child Dependency Ratio

Randolph County, Illinois Sex Ratio

Female

14,418

44.64%

Male

17,877

55.36%

Randolph County, Illinois Population by Age

Randolph County, Illinois Renter vs Owner Occupied by Household Type

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Randolph County, Illinois Household Types

Type Owner Renter
Married88.3%11.7%
All74%26%
Non Family64.6%35.4%
Male54.3%45.7%
Female48.3%51.7%

74.0%

Rate of Home Ownership

Randolph County, Illinois Households and Families

Type Count Average Size Owned
All11,8832.3974
Married5,8682.9888.3
Non Family4,0981.1364.6
Female1,2673.3348.3
Male6503.154.3

2.96

Average Family Size

2.39

Average Household Size

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Randolph County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade8053.43%
9th to 12th Grade2,86912.23%
High School Graduate8,75237.31%
Some College5,76424.57%
Associates Degree2,1419.13%
Bachelors Degree1,9768.42%
Graduate Degree1,1484.89%
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Randolph County, Illinois Educational Attainment by Sex (over 25)

Randolph County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White20,00118,0632,888
Black2,4881,19655
Hispanic62526250
2+ Races17412215
Asian141134103
Other Race106293
Native American573528

The highest rate of high school graduation is among asian people with a rate of 95.04%.

The highest rate of bachelors degrees is among asian people with a rate of 73.05%.

Randolph County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$34,942$46,862$27,035
Less Than 9th Grade$24,038$31,004$16,250
High School Graduate$31,292$40,688$20,786
Some College$33,910$52,158$26,817
Bachelors Degree$50,544$68,068$38,935
Graduate Degree$51,378$62,083$49,044

$34,942

Average Earnings

$46,862

Average Male

$27,035

Average Female

Randolph County, Illinois Earnings by Educational Attainment

Randolph County, Illinois Language by Age

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Randolph County, Illinois Language

95.75% of Randolph County, Illinois residents speak only English, while 4.25% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.62% of the population.

Randolph County, Illinois Language

Randolph County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White26,0923,08711.83%
Hispanic61921634.89%
Black1,17220817.75%
Other28913747.40%
Multiple4429822.17%
Asian17584.57%

12.69%

Overall Poverty Rate

11.97%

Male Poverty Rate

13.42%

Female Poverty Rate

Poverty in Randolph County, Illinois

The race most likely to be in poverty in Randolph County, Illinois is Other, with 47.40% below the poverty level.

The race least likely to be in poverty in Randolph County, Illinois is Asian, with 4.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.21%. Among those working part-time, it was 14.36%, and for those that did not work, the poverty rate was 17.40%.

Randolph County, Illinois Poverty

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Name Poverty
Less Than 9th Grade24.15%
High School11.24%
Some College7.51%
Bachelors or Greater4.72%

Randolph County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed36.19%
Male Unemployed30.50%
Female Employed7.76%
Male Employed4.10%

Randolph County, Illinois Poverty Rate by Employment Status and Sex

Randolph County, Illinois Income by Household Type

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Name Median Mean
Households$53,816$70,079
Families$69,158$81,960
Married Families$79,761$93,566
Non Families$31,035$44,221
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Income by Household Type

Randolph County, Illinois Marital Status

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Marriage Rates

47.2%

Overall Marriage Rate

43.4%

Male Marriage Rate

52.0%

Female Marriage Rate

Randolph County, Illinois Married by Age and Sex

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Randolph 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.

Randolph County, Illinois Marital Status by Race

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Randolph County, Illinois Marital Status

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2,248

Number of Veterans

2,091

Male Veterans

157

Female Veterans

War Veterans
Vietnam855
First Gulf War375
Second Gulf War307
Korea190
World War II77

Randolph County, Illinois Veterans by War

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Age Group Veterans
65 to 74665
35 to 54543
75+518
55 to 64428
18 to 3494

Randolph County, Illinois Veterans by Age

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Name Veterans % of Total
White2,1309.51%
Black712.35%
Native American3561.40%
Hispanic172.25%
2+ Races104.57%
Other Race21.14%

Randolph County, Illinois Veterans by Race

Randolph County, Illinois Veterans by Education

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5.67%

Veteran Poverty Rate

34.32%

Veteran Disability Rate

Randolph County, Illinois Veterans by Education

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52%

Labor Force Participation

49.2%

Employment Rate

4.8%

Unemployment Rate

Randolph County, Illinois Employment by Age

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Randolph County, Illinois Employment by Race

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Randolph County, Illinois 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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79.01%

Born in Randolph County, Illinois

98.63%

Native Born

1.37%

Foreign Born

0.98%

Non Citizen

0.39%

Naturalized

Place of Birth

98.63% of Randolph County, Illinois residents were born in the United States, with 79.01% having been born in Illinois. 0.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Randolph County, Illinois 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