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

Frequently Asked Questions

What is the median home price in Jefferson County, IL?

The median home price in Jefferson County, Illinois is $182.9K. The price-to-income ratio is 3.0x, meaning the median home costs 3.0 times the median household income.

What salary do you need to buy a home in Jefferson County?

Based on a 30-year mortgage at 6.5% with 20% down and the 28% debt-to-income rule, you need approximately $50.1K per year to buy the median home in Jefferson County, IL. Monthly housing costs break down to $925 for mortgage, $169 for property tax, and $76.21 for insurance.

What is the property tax rate in Jefferson County?

The effective property tax rate in Jefferson County is 1.11%, which comes to approximately $2,026 per year on the median home.

What is the median household income in Jefferson County?

The median household income in Jefferson County, Illinois is $61.1K per year, based on Census Bureau American Community Survey data. The unemployment rate is 5.0%%.

Is Jefferson County a good place to live?

Jefferson County, Illinois has a population of 37.0K. Housing affordability is strong with a price-to-income ratio of 3.0x. The climate averages 56 degrees F with 180 sunny days per year. Compare Jefferson County with other areas using our cost of living tools to find the best fit for your budget and lifestyle.