Jo Daviess County, Illinois Demographics 2026

Name: Jo Daviess County, Illinois Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Jo Daviess County, Illinois has a population of 21,851, the 53rd most populous county in Illinois. The median household income is $73,993 and the median home value is $209,900. The poverty rate is 7.8%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Jo Daviess County Quick Facts

Population 21,851

Median Household Income $73,993

Median Home Value $209,900

Poverty Rate 7.8%

Unemployment Rate 3.6%

Median Age 51.5 years

Homeownership Rate 80.4%

Affordability Ratio 2.8x

Bachelor's Degree+ 28.9%

High School Graduation 93.2%

Cities/Places 12

Population 21,851 53rd of 102

Median Income $73,993 11% lower than state

Poverty Rate 7.8%

Unemployment 3.6%

How Jo Daviess County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	21,918	21,851	-0.3%
Median household income	$74,954	$73,993	-1.3%
Median home value	$193,900	$209,900	+8.3%

Median Household Income

Jo Daviess

$73,993

$83,390

National

$80,734

Median Home Value

Jo Daviess

$209,900

$263,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.3%

$25K-$50K 18.2%

$50K-$100K 33.3%

$100K+ 35.2%

Detailed income brackets

Under $10K

4.0%

$10K-$15K

2.3%

$15K-$20K

3.7%

$20K-$25K

3.3%

$25K-$30K

3.2%

$30K-$35K

4.1%

$35K-$40K

3.6%

$40K-$45K

4.1%

$45K-$50K

3.2%

$50K-$60K

9.0%

$60K-$75K

10.1%

$75K-$100K

14.1%

$100K-$125K

11.4%

$125K-$150K

7.3%

$150K-$200K

8.1%

$200K+

8.4%

Employment

3.6% Unemployment Rate State: 5.8%|National: 5.2%

59.6% Labor Force Participation

Housing Overview

Owner 80.4%

Renter 19.6%

Affordability Index Very Affordable

2.8x home value to income ratio

Median gross rent $825/mo 13.4% of median household income annually

People & Demographics

Age Distribution

Under 18

18.2%

18-34

14.7%

35-54

21.6%

55-74

32.5%

75+

13.0%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 61 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Jo Daviess County

City	Population	Median Income	Poverty	Home Value
Galena	2,931	$58,689	6.4%	$233,200
Stockton	1,873	$46,934	15.6%	$93,700
The Galena Territory	1,735	$117,548	2.5%	$324,700
East Dubuque	1,470	$67,891	12.3%	$144,000
Warren	1,396	$75,813	9.9%	$102,200
Hanover	829	$42,250	21.8%	$89,500
Elizabeth	775	$56,250	8.0%	$135,900
Apple Canyon Lake	741	$115,072	7.7%	$329,400
Scales Mound	463	$69,141	4.3%	$155,600
Menominee	345	$118,750	12.2%	$257,900
Apple River	290	$44,028	21.7%	$87,100
Nora	180	$54,073	5.0%	$91,000

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Jo Daviess County is located in Illinois with a total population of 21,851. It is the 53rd most populous county out of 102 in Illinois. The county encompasses 12 Census-designated places.

Age Demographics

The median age in Jo Daviess County is 51.5 years. This is 32% higher than the state median of 39.0 years. 13.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Jo Daviess County is $73,993. This is 11% lower than the state median of $83,390. It is also 8% lower than the national median of $80,734. The poverty rate stands at 7.8%. This is 34% lower than the state poverty rate of 11.8%. The unemployment rate is 3.6%. This is 39% lower than the state rate of 5.8%. The median home value is $209,900. Housing costs are 20% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.8x, Jo Daviess County is one of the most affordable housing markets in the area. 80.4% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 67.1%.

Race & Ethnicity

Jo Daviess County has a predominantly White (non-Hispanic) population, comprising 91.9% of all residents. Hispanic or Latino residents account for 4.2%. The White (non-Hispanic) population is significantly higher than the state average (91.9% vs 58.1%). The Black or African American population (0.8%) is well below the state average of 13.3%. The Hispanic or Latino population (4.2%) is well below the state average of 18.8%. The Asian population (0.5%) is well below the state average of 5.9%.

Education

28.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.2%.

Data Sources & Methodology

All figures for Jo Daviess County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Jo Daviess County, Illinois?

Jo Daviess County has a population of 21,851, making it the 53rd most populous county in Illinois.

What is the median income in Jo Daviess County?

The median household income in Jo Daviess County is $73,993 with a poverty rate of 7.8%.

How many cities are in Jo Daviess County, Illinois?

Jo Daviess County contains 12 Census-designated places.