Johnson County, IL

Comprehensive housing, income, and cost of living data for Johnson County, Illinois. Population: 13.3K.

Median Home Price
$190.9K

Based on 4 cities

Median Household Income
$65.2K

Annual household income

Price-to-Income Ratio
2.9x

Highly affordable

Salary Needed to Buy
$51.8K

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

Housing & Finance

Annual Property Tax
$1,952

Average annual amount

Effective Tax Rate
1.02%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$965
Property Tax$163
Insurance$79.55
Total Monthly$1,208
Historical Home Prices
2016
$123.7K
2017
$139.9K
+13.1%%
2018
$148.5K
+6.2%%
2019
$138.9K
-6.5%%
2020
$148.0K
+6.6%%
2021
$158.3K
+7.0%%
2022
$165.0K
+4.2%%
2023
$181.9K
+10.2%%
2024
$196.8K
+8.2%%
2025
$191.2K
-2.8%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
4.9%%

Near national average

Population Density
39

People per square mile

Political Lean (2020)
Competitive

R+1

Racial Demographics

White
81%
Black
7.5%
Hispanic
4.2%
Asian
0.2%
Two or More Races
7%

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

Climate & Environment

Average Temperature
57°F

Annual average

Sunny Days
172

Days per year

Annual Rainfall
49.7"

Inches per year

Natural Disaster Risk
Moderate Risk

Score: 51/100