Jefferson County, IL

Comprehensive housing, income, and cost of living data for Jefferson County, Illinois. Population: 37.0K.

Median Home Price
$182.9K

Based on 3 cities

Median Household Income
$61.1K

Annual household income

Price-to-Income Ratio
3.0x

Highly affordable

Salary Needed to Buy
$50.1K

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

Housing & Finance

Annual Property Tax
$2,026

Average annual amount

Effective Tax Rate
1.11%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$925
Property Tax$169
Insurance$76.21
Total Monthly$1,170
Historical Home Prices
2015
$178.9K
2016
$126.2K
-29.4%%
2017
$109.1K
-13.6%%
2018
$100.0K
-8.3%%
2019
$110.9K
+10.9%%
2020
$112.5K
+1.4%%
2021
$115.0K
+2.2%%
2022
$123.6K
+7.5%%
2023
$123.8K
+0.1%%
2024
$124.9K
+0.9%%
2025
$130.7K
+4.6%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
5.0%%

Near national average

Population Density
65

People per square mile

Homicide Rate
4.5

Low (per 100K residents)

Political Lean (2020)
Competitive

R+0

Racial Demographics

White
84.3%
Black
6.2%
Hispanic
2.7%
Asian
0.9%
Two or More Races
5.5%

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

Climate & Environment

Average Temperature
56°F

Annual average

Sunny Days
180

Days per year

Annual Rainfall
45.7"

Inches per year

Natural Disaster Risk
High Risk

Score: 77/100