Jo Daviess County, IL demographics:
population, income, and more

Total population
21,851
-0.3% year-over-year change
Median household income
$73,993/yr
-1.3% year-over-year change
Housing units
13,440
0.1% year-over-year change

Jo Daviess County population

How many people live in Jo Daviess County

Jo Daviess County is home to 21,851 residents, according to the most recent Census data. Gender-wise, 50% of Jo Daviess County locals are male, and 50% are female.

Total population
21,851
-0.3% year-over-year change
Gender ratio
Male
50%
10,928
Female
50%
10,923
Value Percent YoY change
Male 10,928 50% -1.0%
Female 10,923 50% 0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Jo Daviess County is 52, with the population distributed as follows: about 14.6% are children under 15, then 9.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 19% of the population, while another 27% fall into the 45 to 64 bracket. Finally, around 29.9% are 65 or older.

Median age
51.5
Age breakdown
Under 15
14.6%
15 to 24
9.4%
25 to 44
19%
45 to 64
27%
Over 65
29.9%
Value Percent YoY change
Under 15 3,195 14.6% -2.6%
15 to 24 2,052 9.4% -0.6%
25 to 44 4,162 19% -1.9%
45 to 64 5,901 27% -0.7%
Over 65 6,541 29.9% 2.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Jo Daviess County, 97.8% of the population are US-born citizens, while 1.4% have gained naturalized citizenship. At the same time, 0.8% of residents are non-citizens. As for race, 93.5% of locals are Caucasian, 0.8% are African American and 0.5% have Asian roots. There’s also a share of 4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.8%
Non-U.S.-born citizens
1.4%
Non-citizens
0.8%
Value Percent YoY change
U.S.-born citizens 21,359 97.8% -0.4%
Non-U.S.-born citizens 311 1.4% -15.7%
Non-citizens 181 0.8% 66.1%
Racial breakdown
White
93.5%
Black or African American
0.8%
American Indian and Alaska Native
0.3%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4%
Other
0.9%
Value Percent
White 20,434 93.5%
Black or African American 166 0.8%
American Indian and Alaska Native 63 0.3%
Asian 118 0.5%
Native Hawaiian and other Pacific Islander 11 0%
Two or more races 866 4%
Other 193 0.9%

Households in Jo Daviess County

A peek inside Jo Daviess County households

Jo Daviess County has 10,391 households, with an average of 2 members in each. Of these, 63.7% are families, while the remaining 36.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
10,391
0.1% year-over-year change
Average people per household
2
Non-family households
3,771
Family households
6,620
Value Percent YoY change
Non-family households 3,771 36.3% 1.5%
Family households 6,620 63.7% -0.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Jo Daviess County

The housing landscape of Jo Daviess County

Jo Daviess County's housing consists of 13,440 units, with 82.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.5% of the housing landscape.

Housing units
13,440
0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 11,088 82.5%
1 unit, attached 543 4%
2 units 288 2.1%
3 or 4 units 501 3.7%
5 to 9 units 375 2.8%
10 to 19 units 191 1.4%
20 to 49 units 64 0.5%
50 or more units 57 0.4%
Mobile home 331 2.5%
Boat, RV, van, etc. 2 0%
Homes built since 2020
140
53.9% year-over-year change

The age of buildings in Jo Daviess County

In Jo Daviess County, the median construction year is 1976. About 25% of homes were built before the 1940s, with another 5.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 12.6% of homes were added from 2000 to 2009, 4.2% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,364 25% 0.3%
Built between 1940 and 1949 752 5.6% 8.5%
Built between 1950 and 1959 626 4.7% -10.1%
Built between 1960 and 1969 1,025 7.6% 2.5%
Built between 1970 and 1979 1,651 12.3% -5.1%
Built between 1980 and 1989 1,586 11.8% -5.6%
Built between 1990 and 1999 2,043 15.2% 3.5%
Built between 2000 and 2009 1,690 12.6% 1.8%
Built between 2010 and 2019 563 4.2% 4.5%
Built in 2020 or later 140 1% 53.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Jo Daviess County occupancy rates

Out of the 10,391 occupied housing units in Jo Daviess County, 80.4% are owner-occupied, while 19.6% are lived in by tenants. Meanwhile, 22.7% of all homes on the local market sit vacant.

Occupied housing units
10,391
0.1% year-over-year change
Occupancy breakdown
Renter occupied
2,039
Owner occupied
8,352
Value Percent YoY
change
Renter occupied 2,039 19.6% 7.9%
Owner occupied 8,352 80.4% -1.7%
Unoccupied housing units
22.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Jo Daviess County housing costs

Housing costs in Jo Daviess County come to a median of $985 per month, while tenants specifically pay a median gross rent of $825.

Median housing costs per month
$985/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Jo Daviess County
$825/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Jo Daviess County

Jo Daviess County education at a glance

About 35.5% of the population in Jo Daviess County went to high school, while 22.1% pursued college studies. Another 12.3% earned an associate degree and 19.2% hold a bachelor’s. Meanwhile, 8.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 430 2.4% 1.9%
High school diploma 6,350 35.5% -2.1%
College diploma 3,950 22.1% 0.5%
Associate degree 2,206 12.3% 4.7%
Bachelor's degree 3,428 19.2% 3.9%
Graduate degree 1,515 8.5% -6.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Jo Daviess County

How much people earn in Jo Daviess County

The average annual household income in Jo Daviess County was $95,031 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.4% change from the previous year. At the same time, the median income stood at $73,993, reflecting a -1.3% shift over the same period.

Average household income in Jo Daviess County
$95,031/year
2.4% year-over-year change
Median household income in Jo Daviess County
$73,993/year
-1.3% year-over-year change

Jo Daviess County income by age

In Jo Daviess County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $77,083. Those with someone between 45 and 64 in charge, often well established professionally, earn $100,438 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $51,250, while those led by someone over 65, many of whom may be retired, have about $60,781 in earnings. Overall, 92.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $51,250 8.4%
25 - 44 $77,083 3.9%
45 - 64 $100,438 2.3%
Over 65 $60,781 -3.9%
Above poverty level
19,766
Below poverty level
1,690
Value Percent YoY
change
Above poverty level 19,766 92.1% -0.2%
Below poverty level 1,690 7.9% -3.0%

Employment in Jo Daviess County

Workforce and job types in Jo Daviess County

The job market in Jo Daviess County is powered by 10,501 working residents, spread across a range of industries and roles. 74.1% of the working population are employed in professional or administrative positions, while 25.9% are in hands-on or service-based jobs. Also, 15.1% run their own businesses, 61% are employed by private companies, and 13.7% work in the public sector.

Workforce demographics

Working population
10,501
-4.4% year-over-year change
White collar
7,784
Blue collar
2,717
Value Percent YoY change
White collar 7,784 74.1% -4.5%
Blue collar 2,717 25.9% -4.1%
Employer type
Self employees
15.1%
Private companies
61%
Governmental workers
13.7%
Not for profit companies
10.2%
Value Percent YoY change
Self employees 1,586 15.1% -19.4%
Private companies 6,407 61% -1.7%
Governmental workers 1,442 13.7% -0.8%
Not for profit companies 1,066 10.2% 1.6%
Unemployment rate
3.6%
17.1% year-over-year change

Available workforce

The unemployment rate in Jo Daviess County stands at 3.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Jo Daviess County

How people get around in Jo Daviess County

Commuting methods vary: 82.5% of residents travel by personal vehicle and 4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 8,556 82.5% -4.8%
Bus or trolleybus 55 0.5% 10.0%
Subway or elevated 8 0.1% N/A
Walk 411 4% -7.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Jo Daviess County by zipcode?

Zipcode Population Number of households Median income Average income
61001 1,226 597 $77,841 $103,225
61025 4,294 2,029 $70,739 $93,531
61028 1,683 818 $86,053 $96,389
61036 7,121 3,618 $81,989 $109,343
61041 1,338 610 $45,938 $61,570
61044 225 78 $82,083 $82,121
61059 178 72 $54,113 $63,635
61075 986 425 $75,547 $93,607
61085 3,149 1,431 $59,798 $80,891
61087 1,588 640 $77,321 $79,796

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FAQs about Jo Daviess County demographics 

What is the total population of Jo Daviess County?

Jo Daviess County has a total population of 21,851 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.3% compared to a year ago.

What is the gender ratio in Jo Daviess County?

The gender ratio in Jo Daviess County is as follows:
  • 50% males (10,928 residents)
  • 50% females (10,923 residents)

What is the median age in Jo Daviess County?

The median age in Jo Daviess County is 51.5.

What is the age distribution of the population in Jo Daviess County?

The age distribution in Jo Daviess County is as follows:
  • Under 15: 14.6% (3,195 residents)
  • Ages 15-24: 9.4% (2,052 residents)
  • Ages 25-44: 19% (4,162 residents)
  • Ages 45-64: 27% (5,901 residents)
  • Over 65: 29.9% (6,541 residents)

What is the racial and ethnic makeup of Jo Daviess County?

The racial and ethnic makeup of Jo Daviess County is as follows:
  • White: 93.5% (20,434 residents)
  • Black or African American: 0.8% (166 residents)
  • American Indian and Alaska Native: 0.3% (63 residents)
  • Asian: 0.5% (118 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (11 residents)
  • Two or More Races: 4% (866 residents)
  • Other: 0.9% (193 residents)

What percentage of the population in Jo Daviess County are U.S.-born citizens?

U.S.-born citizens represent 97.8% of the population in Jo Daviess County.

How many housing units are there in Jo Daviess County?

There are 13,440 housing units in Jo Daviess County, reflecting a +0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Jo Daviess County and what is the average household size?

Jo Daviess County has a total of 10,391 households, with an average of 2 people in each.

What is the median household income in Jo Daviess County?

Jo Daviess County has a median household income of $73,993, representing a -1.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Jo Daviess County?

The employment rate is 96.4% in Jo Daviess County, with a workforce of 10,501 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 74.1% (7,784 residents)
  • Blue-collar workers: 25.9% (2,717 residents)

Places of employment:
  • Self-employed: 15.1% (1,586 residents)
  • Private companies: 61% (6,407 residents)
  • Governmental workers: 13.7% (1,442 residents)
  • Not-for-profit companies: 10.2% (1,066 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025