Marion County, Illinois Population 2018

Marion County, Illinois's estimated population is 37,902 with a growth rate of -1.56% in the past year according to the most recent United States census data. Marion County, Illinois is the 37th largest county in Illinois.

Year Population Growth Growth Rate
201737,902-601-1.56%
201638,5034371.15%
201638,066-275-0.72%
201538,341-204-0.53%
201438,545-126-0.33%
201338,671-335-0.86%
201239,006-132-0.34%
201139,138-282-0.72%
201039,420-2,141-5.15%
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
White35,800
Black or African American1,354
Two or More Races757
Asian327
Some Other Race194
American Indian and Alaska Native71

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

Marion 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

Marion County, Illinois Median Age

41.6


Total

40.1


Male

43.6


Female

Marion County, Illinois Adults

There are 29,686 adults, (7,085 of which are seniors) in Marion County, Illinois.

Marion County, Illinois Age Dependency

70.5

Age Dependency Ratio

31.4

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Marion County, Illinois Sex Ratio

Female

19,679

51.11%

Male

18,824

48.89%

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%
All74.9%25.1%
Non Family65%35%
Male58.2%41.8%
Female52.4%47.6%

74.9%

Rate of Home Ownership

Marion County, Illinois Households by Type

Type Count Average Size Owned
All15,8412.3874.9
Married7,6202.9489.7
Non Family5,3731.1865
Female1,9853.152.4
Male8633.2258.2

2.9

Average Family Size

2.38

Average Household Size

6.7%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Marion County, Illinois Households

Marion County, Illinois Education

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

Education Attained Count Percentage
Less Than 9th Grade1,2604.75%
9th to 12th Grade1,8026.79%
High School Graduate9,49235.75%
Some College6,76025.46%
Associates Degree3,24412.22%
Bachelors Degree2,6049.81%
Graduate Degree1,3865.22%

Marion County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White24,86022,0143,689
Black826682107
Hispanic39236116
Asian230230140
Multiple Races18615614
Other Race18416916
Native American43298

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 60.87%.

Marion County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$30,742$36,796$25,192
Less Than High School$20,184$25,250$12,083
High School Grad$26,644$32,554$21,992
Some College$30,803$39,316$25,327
Bachelors Degree$39,105$46,542$34,500
Graduate Degree$51,711$56,950$50,102

$30,742

Average Earnings

$36,796

Average Male

$25,192

Average Female

Marion County, Illinois Language

Marion County, Illinois Language by Age

Marion County, Illinois Language

97.49% of Marion County, Illinois residents speak only English, while 2.51% speak other languages. The largest non-English language is Spanish, which is spoken by 1.14% of the population.

Marion County, Illinois Poverty

Marion County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White34,4325,53116.06%
Black1,28454042.06%
Multiple71640456.42%
Hispanic65228042.94%
Asian3239429.10%
Other1945327.32%
Native712332.39%

18.33%

Overall Poverty Rate

16.78%

Male Poverty Rate

19.81%

Female Poverty Rate

Poverty in Marion County, Illinois

The race most likely to be in poverty in Marion County, Illinois is Multiple, with 56.42% below the poverty level.

The race least likely to be in poverty in Marion County, Illinois is White, with 16.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.09%. Among those working part-time, it was 20.59%, and for those that did not work, the poverty rate was 23.20%.

Marion County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School27.84%
High School13.93%
Some College11.46%
Bachelors or Greater5.81%

Marion County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed45.16%
Male Unemployed39.14%
Female Employed11.32%
Male Employed7.32%

Marion County, Illinois Income

Marion County, Illinois Income by Household Type

Name Median Mean
Households$43,427$55,664
Families$55,420$65,316
Married Families$66,299$76,586
Non Families$23,848$34,062

Marion County, Illinois Marital Status

Marion County, Illinois Marital Status

Marriage Rates

52.3%

Overall Marriage Rate

54.4%

Male Marriage Rate

50.3%

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 Over65, while the female age group most likely to be married is 45To54.

Marion County, Illinois Marital Status by Race

Marion County, Illinois Veterans

Marion County, Illinois Veterans by War

3,068

Number of Veterans

2,913

Male Veterans

155

Female Veterans

Name Veterans
Vietnam1,190
Korea358
Second Gulf War342
First Gulf War310
World War II209

Marion County, Illinois Veterans by Age

Name Veterans
65 to 74905
75+800
35 to 54595
55 to 64545
18 to 34223

Marion County, Illinois Veterans by Race

Name Veterans % of Total
White2,85810.24%
Black18216.82%
Hispanic266.22%
Indian1424.14%
2 or More94.52%
Other52.72%

Marion County, Illinois Veterans by Education

8.65%

Veteran Poverty Rate

34.44%

Veteran Disability Rate

Marion County, Illinois Employment Status

Marion County, Illinois Employment by Age

60.9%

Labor Force Participation

55.4%

Employment Rate

9.1%

Unemployment Rate

Marion County, Illinois Employment by Race

Marion County, Illinois Employment by Education

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%
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