Marion County, Illinois Population 2019

Marion County, Illinois's estimated population is 37,821 with a growth rate of -0.61% in the past year according to the most recent United States census data. Marion County, Illinois is the 38th largest county in Illinois.

Year Population Growth Growth Rate
201837,620-201-0.53%
201737,821-234-0.61%
201638,055-311-0.81%
201538,366-192-0.50%
201438,558-114-0.29%
201338,672-337-0.86%
201239,009-131-0.33%
201139,140-279-0.71%
201039,419-2,142-5.15%
199041,561-1,962-4.51%
198043,5234,53711.64%
197038,986-363-0.92%
196039,349-2,351-5.64%
195041,700-6,289-13.11%
194047,98912,35434.67%
193035,635-1,862-4.97%
192037,4972,4036.85%
191035,0944,64815.27%
190030,4466,10525.08%
189024,3416552.77%
188023,6863,06414.86%
187020,6227,88361.88%
186012,7396,01989.57%
18506,7201,97841.71%
18404,7422,617123.15%
18302,1250.00%

Marion County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White35,552
Black or African American1,299
Two or More Races848
Asian270
Some Other Race258
American Indian and Alaska Native78

Marion County, Illinois Population Pyramid 2019

Marion County, Illinois Median Age

41.8


Total

40.5


Male

43.8


Female

Marion County, Illinois Adults

There are 29,576 adults, (7,228 of whom are seniors) in Marion County, Illinois.

Marion County, Illinois Age Dependency

71.4

Age Dependency Ratio

32.3

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Marion County, Illinois Sex Ratio

Female

19,524

50.97%

Male

18,781

49.03%

Marion County, Illinois Households and Families

Marion County, Illinois Renter vs Owner Occupied by Household Type

Marion County, Illinois Household Types

Type Owner Renter
Married89.7%10.3%
All74.3%25.7%
Non Family64.1%35.9%
Male55.3%44.7%
Female53.8%46.2%

74.3%

Rate of Home Ownership

Type Count Average Size Owned
All16,0012.3574.3
Married7,5092.8989.7
Non Family5,5401.1664.1
Female2,0333.1853.8
Male9193.1955.3

2.87

Average Family Size

2.35

Average Household Size

6.8%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Marion County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade1,1384.29%
9th to 12th Grade1,8106.82%
High School Graduate9,37135.32%
Some College6,90826.04%
Associates Degree3,26612.31%
Bachelors Degree2,6339.92%
Graduate Degree1,4065.30%

Marion County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White24,76622,0043,705
Black83471687
Hispanic39738123
Other Race24022757
Multiple Races22618926
Asian201201135
Native American52378

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 67.16%.

Name Average Male Female
Overall$31,180$37,150$25,971
Less Than High School$19,135$23,384$11,591
High School Grad$27,188$33,365$22,696
Some College$31,224$40,546$25,035
Bachelors Degree$41,568$45,938$38,000
Graduate Degree$51,753$57,150$47,389

$31,180

Average Earnings

$37,150

Average Male

$25,971

Average Female

Marion County, Illinois Language

Marion County, Illinois Language by Age

Marion County, Illinois Language

97.83% of Marion County, Illinois residents speak only English, while 2.17% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.21% of the population.

Marion County, Illinois Poverty

Marion County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White34,2325,36615.68%
Black1,25749439.30%
Multiple81438146.81%
Hispanic66129945.23%
Asian2668130.45%
Other2586926.74%
Native782835.90%

17.83%

Overall Poverty Rate

16.35%

Male Poverty Rate

19.27%

Female Poverty Rate

Poverty in Marion County, Illinois

The race most likely to be in poverty in Marion County, Illinois is Multiple, with 46.81% below the poverty level.

The race least likely to be in poverty in Marion County, Illinois is White, with 15.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.73%. Among those working part-time, it was 20.65%, and for those that did not work, the poverty rate was 21.44%.

Name Poverty
Less Than High School27.47%
High School13.23%
Some College10.89%
Bachelors or Greater5.07%
Name Poverty
Female Unemployed42.46%
Male Unemployed36.14%
Female Employed11.16%
Male Employed6.82%

Marion County, Illinois Income

Marion County, Illinois Income by Household Type

Name Median Mean
Households$44,679$57,151
Families$56,510$66,757
Married Families$67,625$78,452
Non Families$25,919$35,503

Marion County, Illinois Marital Status

Marion County, Illinois Marital Status

Marriage Rates

51.1%

Overall Marriage Rate

52.8%

Male Marriage Rate

49.6%

Female Marriage Rate

Marion County, Illinois Married by Age and Sex

Marion 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 45-54.

Marion County, Illinois Marital Status by Race

Marion County, Illinois Veterans

2,969

Number of Veterans

2,795

Male Veterans

174

Female Veterans

War Veterans
Vietnam1,170
Second Gulf War377
Korea350
First Gulf War323
World War II184

Marion County, Illinois Veterans by Race

Name Veterans % of Total
White2,80010.10%
Black12311.92%
Hispanic265.91%
2 or More217.17%
Indian1723.94%
Other83.33%

Marion County, Illinois Veterans by Education

9.21%

Veteran Poverty Rate

35.76%

Veteran Disability Rate

Marion County, Illinois Employment Status

61%

Labor Force Participation

55.7%

Employment Rate

8.7%

Unemployment Rate

Population of Cities in Marion County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Centralia 1303412572-462-3.54%
Salem74807241-239-3.20%
Sandoval12741220-54-4.24%
Wamac 11851132-53-4.47%
Central City11721120-52-4.44%
Odin10761033-43-4.00%
Kinmundy796769-27-3.39%
Patoka584565-19-3.25%
Farina 518505-13-2.51%
Iuka489467-22-4.50%
Junction City482460-22-4.56%
Alma320313-7-2.19%
Kell219214-5-2.28%
Vernon129126-3-2.33%
Walnut Hill108106-2-1.85%
  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