Mercer County Summary

Life in Mercer County research summary. HomeSnacks has been researching the quality of life in Mercer County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Mercer County:

  • The population in Mercer County is 15,692.

  • The median home value in Mercer County is $153,699.

  • The median income in Mercer County is $67,028.

  • The median rent in Mercer County is $759.

  • The unemployment rate in Mercer County is 3.3%.

  • The poverty rate in Mercer County is 8.0%.

  • The average high in Mercer County is 68.9° and there are 88.2 inches of rainfall annually.

Cities & Towns in Mercer County

List Of Cities & Towns in Mercer County

Aledo, IL Population 3,808

Viola, IL Population 1,033

Matherville, IL Population 794

Windsor, IL Population 789

Sherrard, IL Population 766

Alexis, IL Population 715

Reynolds, IL Population 596

New Boston, IL Population 579

Keithsburg, IL Population 570

Joy, IL Population 374

Seaton, IL Population 274

North Henderson, IL Population 199

Map Of Mercer County

Mercer County, IL Weather

  • The average high in Mercer County is 68.9°.

  • There are 76.01 nice days each year.

  • Expect an average of 88.2 inches of rain each year with 8.7 inches of snow.

  • There is an average of 4:57 hours of sun each day in Mercer County.

StatMercer County
Mean High68.9
Nice Days76.01
Rainfall88.2
Snowfall8.7
Sunny_hours4:57
68.9°
Average High
88.2
Inches of Rain

Mercer County Photos

Aledoc Illinois Aerial A
Source: Wikipedia User Joe Mabel | GFDL

Mercer County Demographics

Population over time in Mercer County

The current population in Mercer County is 15,692. The population has increased 1.2% from 2019.

Year Population % Change
2022 15,779 1.8%
2021 15,503 -0.6%
2020 15,589 -

Gender in Mercer County

  • Mercer County is 49.3% female with 7,741 female residents.

  • Mercer County is 50.7% male with 7,951 male residents.

Female
49.3% (7,741)
Male
50.7% (7,951)
Gender Mercer County IL USA
Female 49.3% 50.5% 50.4%
Male 50.7% 49.5% 49.6%

Race / Ethnicity in Mercer County

Mercer County is:

  • 94.1% White with 14,773 White residents.

  • 0.6% African American with 96 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 0.4% Asian with 67 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.0% Other with 7 Other residents.

  • 2.0% Two Or More with 313 Two Or More residents.

  • 2.8% Hispanic with 436 Hispanic residents.

White
94.1% (14,773)
African American
0.6% (96)
American Indian
0.0% (0)
Asian
0.4% (67)
Hawaiian
0.0% (0)
Other
0.0% (7)
Two Or More
2.0% (313)
Hispanic
2.8% (436)

Table: Mercer County By Race

Race Mercer County IL USA
White 94.1% 59.6% 58.9%
African American 0.6% 13.7% 12.1%
American Indian 0.0% 0.1% 0.6%
Asian 0.4% 5.7% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.0% 0.3% 0.4%
Two Or More 2.0% 2.8% 3.5%
Hispanic 2.8% 17.8% 18.7%

Household Income For Mercer County, Illinois

  • 4.1% of households in Mercer County earn Less than $10,000.

  • 3.9% of households in Mercer County earn $10,000 to $14,999.

  • 10.2% of households in Mercer County earn $15,000 to $24,999.

  • 5.5% of households in Mercer County earn $25,000 to $34,999.

  • 13.5% of households in Mercer County earn $35,000 to $49,999.

  • 17.6% of households in Mercer County earn $50,000 to $74,999.

  • 15.1% of households in Mercer County earn $75,000 to $99,999.

  • 16.6% of households in Mercer County earn $100,000 to $149,999.

  • 9.8% of households in Mercer County earn $150,000 to $199,999.

  • 3.6% of households in Mercer County earn $200,000 or more.

Less than $10,000
4.1% (648)
$10,000 to $14,999
3.9% (604)
$15,000 to $24,999
10.2% (1,604)
$25,000 to $34,999
5.5% (865)
$35,000 to $49,999
13.5% (2,123)
$50,000 to $74,999
17.6% (2,765)
$75,000 to $99,999
15.1% (2,372)
$100,000 to $149,999
16.6% (2,599)
$150,000 to $199,999
9.8% (1,536)
$200,000 or more
3.6% (570)
Income Mercer County IL USA
Less than $10,000 4.1% 5.3% 4.9%
$10,000 to $14,999 3.9% 3.5% 3.8%
$15,000 to $24,999 10.2% 6.7% 7.0%
$25,000 to $34,999 5.5% 7.1% 7.4%
$35,000 to $49,999 13.5% 10.1% 10.7%
$50,000 to $74,999 17.6% 15.4% 16.1%
$75,000 to $99,999 15.1% 12.9% 12.8%
$100,000 to $149,999 16.6% 17.6% 17.1%
$150,000 to $199,999 9.8% 9.4% 8.8%
$200,000 or more 3.6% 12.1% 11.4%

Highest level of educational attainment in Mercer County for adults over 25

  • 2.0% of adults in Mercer County completed < 9th grade.

  • 6.0% of adults in Mercer County completed 9-12th grade.

  • 39.0% of adults in Mercer County completed high school / ged.

  • 24.0% of adults in Mercer County completed some college.

  • 11.0% of adults in Mercer County completed associate's degree.

  • 11.0% of adults in Mercer County completed bachelor's degree.

  • 6.0% of adults in Mercer County completed master's degree.

  • 1.0% of adults in Mercer County completed professional degree.

  • 0.0% of adults in Mercer County completed doctorate degree.

< 9th Grade
2% (313)
9-12th Grade
6% (941)
High School / GED
39% (6,119)
Some College
24% (3,766)
Associate's Degree
11% (1,726)
Bachelor's Degree
11% (1,726)
Master's Degree
6% (941)
Professional Degree
1% (156)
Doctorate Degree
0% (0)
Education Mercer County IL USA
< 9th Grade 2% 6% 3%
9-12th Grade 6% 5% 6%
High School / GED 39% 25% 26%
Some College 24% 20% 20%
Associate's Degree 11% 8% 9%
Bachelor's Degree 11% 22% 21%
Master's Degree 6% 11% 10%
Professional Degree 1% 2% 2%
Doctorate Degree 0% 1% 2%

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