Mercer County, Illinois Population 2019

Mercer County, Illinois's estimated population is 15,618 with a growth rate of -0.08% in the past year according to the most recent United States census data. Mercer County, Illinois is the 72nd largest county in Illinois.

Year Population Growth Growth Rate
201715,618-12-0.08%
201615,630-117-0.74%
201515,747-155-0.97%
201415,902-173-1.08%
201316,075-88-0.54%
201216,163-152-0.93%
201116,315-95-0.58%
201016,410-880-5.09%
199017,290-1,996-10.35%
198019,2861,99211.52%
197017,2941450.85%
196017,149-225-1.30%
195017,374-327-1.85%
194017,7011,0606.37%
193016,641-2,159-11.48%
192018,800-923-4.68%
191019,723-1,222-5.83%
190020,9452,40012.94%
189018,545-957-4.91%
188019,5027333.91%
187018,7693,72724.78%
186015,0429,796186.73%
18505,2462,894123.04%
18402,3522,3268946.15%
1830260.00%

Mercer County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White15,344
Two or More Races201
Some Other Race108
Black or African American88
Asian43
American Indian and Alaska Native10

Mercer County, Illinois Population Pyramid 2019

Mercer County, Illinois Median Age

44.8


Total

43.9


Male

45.5


Female

Mercer County, Illinois Adults

There are 12,360 adults, (3,246 of whom are seniors) in Mercer County, Illinois.

Mercer County, Illinois Age Dependency

73.3

Age Dependency Ratio

35.6

Old Age Dependency Ratio

37.7

Child Dependency Ratio

Mercer County, Illinois Sex Ratio

Female

7,964

50.42%

Male

7,830

49.58%

Mercer County, Illinois Households and Families

Mercer County, Illinois Renter vs Owner Occupied by Household Type

Mercer County, Illinois Household Types

Type Owner Renter
Married88.9%11.1%
All77.4%22.6%
Non Family63.9%36.1%
Male61.7%38.3%
Female60.4%39.6%

77.4%

Rate of Home Ownership

Type Count Average Size Owned
All6,6202.3577.4
Married3,6892.9188.9
Non Family2,1101.1863.9
Female5552.6660.4
Male2663.1761.7

2.84

Average Family Size

2.35

Average Household Size

6.5%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Mercer County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade2051.82%
9th to 12th Grade6756.00%
High School Graduate4,61741.05%
Some College2,66023.65%
Associates Degree9848.75%
Bachelors Degree1,48013.16%
Graduate Degree6255.56%

Mercer County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White10,91410,1092,047
Hispanic17212115
Multiple Races675621
Black625313
Other Race5341
Asian31318
Native American841

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 31.34%.

Name Average Male Female
Overall$36,268$44,375$26,521
Less Than High School$31,026$40,347$9,306
High School Grad$31,824$42,109$22,434
Some College$34,154$43,138$25,443
Bachelors Degree$44,091$54,792$40,758
Graduate Degree$61,298$65,391$50,294

$36,268

Average Earnings

$44,375

Average Male

$26,521

Average Female

Mercer County, Illinois Language

Mercer County, Illinois Language by Age

Mercer County, Illinois Language

98.49% of Mercer County, Illinois residents speak only English, while 1.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.82% of the population.

Mercer County, Illinois Poverty

Mercer County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White14,9171,64010.99%
Multiple1996331.66%
Hispanic3535816.43%
Other1082018.52%
Native10440.00%

11.36%

Overall Poverty Rate

9.53%

Male Poverty Rate

13.18%

Female Poverty Rate

Poverty in Mercer County, Illinois

The race most likely to be in poverty in Mercer County, Illinois is Native, with 40.00% below the poverty level.

The race least likely to be in poverty in Mercer County, Illinois is White, with 10.99% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.42%. Among those working part-time, it was 12.57%, and for those that did not work, the poverty rate was 15.86%.

Name Poverty
Less Than High School13.78%
High School11.10%
Some College6.41%
Bachelors or Greater2.78%
Name Poverty
Female Unemployed61.41%
Male Unemployed20.49%
Female Employed7.28%
Male Employed2.78%

Mercer County, Illinois Income

Mercer County, Illinois Income by Household Type

Name Median Mean
Households$55,649$65,944
Families$67,460$77,633
Married Families$75,767$
Non Families$32,883$38,783

Mercer County, Illinois Marital Status

Mercer County, Illinois Marital Status

Marriage Rates

58.1%

Overall Marriage Rate

58.5%

Male Marriage Rate

57.7%

Female Marriage Rate

Mercer County, Illinois Married by Age and Sex

Mercer County, Illinois Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Mercer County, Illinois Marital Status by Race

Mercer County, Illinois Veterans

1,369

Number of Veterans

1,233

Male Veterans

136

Female Veterans

War Veterans
Vietnam519
First Gulf War179
Second Gulf War144
Korea120
World War II66

Mercer County, Illinois Veterans by Race

Name Veterans % of Total
White1,32210.93%
Black2126.92%
Hispanic156.91%
Other1520.27%
2 or More1013.70%
Indian112.50%

Mercer County, Illinois Veterans by Education

6.49%

Veteran Poverty Rate

27.58%

Veteran Disability Rate

Mercer County, Illinois Employment Status

61.4%

Labor Force Participation

57.4%

Employment Rate

6.5%

Unemployment Rate

Population of Cities in Mercer County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Aledo36463516-130-3.57%
Viola955910-45-4.71%
Alexis 831799-32-3.85%
Windsor748790425.61%
Matherville721673-48-6.66%
New Boston683643-40-5.86%
Sherrard640600-40-6.25%
Keithsburg609573-36-5.91%
Reynolds 539512-27-5.01%
Joy417385-32-7.67%
Seaton222211-11-4.95%
North Henderson187178-9-4.81%
  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