Knox County, IL

Comprehensive housing, income, and cost of living data for Knox County, Illinois. Population: 49.8K.

Median Home Price
$127.8K

Based on 9 cities

Median Household Income
$53.3K

Annual household income

Price-to-Income Ratio
2.4x

Highly affordable

Salary Needed to Buy
$37.3K

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

Housing & Finance

Annual Property Tax
$2,044

Average annual amount

Effective Tax Rate
1.60%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$646
Property Tax$170
Insurance$53.27
Total Monthly$870
Historical Home Prices
2015
$78.6K
2016
$78.8K
+0.2%%
2017
$80.9K
+2.7%%
2018
$79.8K
-1.3%%
2019
$87.8K
+10.0%%
2020
$94.1K
+7.2%%
2021
$94.8K
+0.8%%
2022
$93.0K
-1.9%%
2023
$95.5K
+2.6%%
2024
$97.2K
+1.9%%
2025
$108.0K
+11.0%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
4.8%%

Near national average

Population Density
69

People per square mile

Homicide Rate
7.2

Low (per 100K residents)

Political Lean (2020)
Competitive

R+0

Racial Demographics

White
80.8%
Black
7.7%
Hispanic
6.3%
Asian
1%
Two or More Races
3.8%

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

Climate & Environment

Average Temperature
51°F

Annual average

Sunny Days
183

Days per year

Annual Rainfall
38.4"

Inches per year

Natural Disaster Risk
Moderate Risk

Score: 57/100

Frequently Asked Questions

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

The median home price in Knox County, Illinois is $127.8K. The price-to-income ratio is 2.4x, meaning the median home costs 2.4 times the median household income.

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

Based on a 30-year mortgage at 6.5% with 20% down and the 28% debt-to-income rule, you need approximately $37.3K per year to buy the median home in Knox County, IL. Monthly housing costs break down to $646 for mortgage, $170 for property tax, and $53.27 for insurance.

What is the property tax rate in Knox County?

The effective property tax rate in Knox County is 1.60%, which comes to approximately $2,044 per year on the median home.

What is the median household income in Knox County?

The median household income in Knox County, Illinois is $53.3K per year, based on Census Bureau American Community Survey data. The unemployment rate is 4.8%%.

Is Knox County a good place to live?

Knox County, Illinois has a population of 49.8K. Housing affordability is strong with a price-to-income ratio of 2.4x. The climate averages 51 degrees F with 183 sunny days per year. Compare Knox County with other areas using our cost of living tools to find the best fit for your budget and lifestyle.