Mercer County, IL

Comprehensive housing, income, and cost of living data for Mercer County, Illinois. Population: 15.7K.

Median Home Price
$154.3K

Based on 9 cities

Median Household Income
$71.7K

Annual household income

Price-to-Income Ratio
2.2x

Highly affordable

Salary Needed to Buy
$45.9K

30-yr mortgage, 6.5% rate, 20% down

Housing & Finance

Annual Property Tax
$2,710

Average annual amount

Effective Tax Rate
1.76%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$780
Property Tax$226
Insurance$64.29
Total Monthly$1,070
Historical Home Prices
2015
$132.4K
2016
$134.0K
+1.2%%
2017
$132.4K
-1.2%%
2018
$133.7K
+1.1%%
2019
$143.2K
+7.0%%
2020
$150.6K
+5.2%%
2021
$156.5K
+3.9%%
2022
$158.6K
+1.3%%
2023
$159.2K
+0.4%%
2024
$148.8K
-6.5%%
2025
$158.3K
+6.3%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
5.6%%

Near national average

Population Density
28

People per square mile

Homicide Rate
12.9

Medium (per 100K residents)

Political Lean (2020)
Competitive

R+0

Racial Demographics

White
93.5%
Black
0.6%
Hispanic
3.3%
Asian
0.3%
Two or More Races
2.2%

Source: Census ACS 2023. Hispanic/Latino ethnicity counted separately from race.

Climate & Environment

Average Temperature
51°F

Annual average

Sunny Days
202

Days per year

Annual Rainfall
37.8"

Inches per year

Natural Disaster Risk
Low Risk

Score: 9/100