Jo Daviess County GIS Maps
Jo Daviess County, Illinois, has 22,035 residents and covers 600.9 square miles. The population declined 2.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Jo Daviess County is 17085.
Galena is the county's largest population center. Jo Daviess County also includes 9 zip codes, 9 public school districts and 43 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Jo Daviess County Trends
- Population
- 22,035▾
- Median Home Value
- $193,900▴
- K-12 Enrollment
- 5,086▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Jo Daviess County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Jo Daviess County Population
Jo Daviess County had 22,035 residents in 2020. That was 2.8% lower than in 2010. Jo Daviess County had 254 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 37 people per square mile. Some of the county's most populated postal areas include Galena, East Dubuque and Stockton.
Population Trend in Jo Daviess County IL
Jo Daviess County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Jo Daviess County Zip Codes
Jo Daviess County has 9 zip codes. Some of the county's most populated zip codes include Galena (61036), East Dubuque (61025) and Stockton (61085). Galena is the largest zip by population, with about 7,111 residents or 32% of the county total. Together, the three largest zips account for about 67% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Jo Daviess County IL
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 61036 | Galena | 7,111 | ▴ 4.3% |
| 61025 | East Dubuque | 4,504 | ▾ -7.5% |
| 61085 | Stockton | 3,194 | ▾ -7.2% |
| 61028 | Elizabeth | 1,865 | ▾ -6.2% |
| 61087 | Warren | 1,541 | ▾ -7.7% |
| Download all zip code data | |||
Jo Daviess County Zip Code populations and trends per most recent census data.
Jo Daviess County Demographics
Jo Daviess County has a median age of 50.9, which makes the county a little older than Illinois overall. About 18.5% of residents are under 18, while 29.1% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 29.1% of the population, which points to an older population profile. About 28.8% of adults have a bachelor's degree or higher, above the statewide figure of 37.2%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Jo Daviess County IL
Median Age
50.9
Under 18
18.5%
Age 65+
29.1%
Bachelor's+
28.8%
Jo Daviess County School Districts
Jo Daviess County is served by 9 public school districts with 5,086 students enrolled in 2024. The largest districts on the county map are West Carroll Community Unit 314, Galena Unit 120 and Lena-Winslow Community Unit 202. Those three districts account for about 49% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Jo Daviess County IL
| District | Enrollment | Share | Trend |
|---|---|---|---|
| West Carroll Community Unit School District 314 | 839 | 16.5% | ▾ -3.5% |
| Galena Unit School District 120 | 836 | 16.4% | ▴ 0.7% |
| Lena-Winslow Community Unit School District 202 | 817 | 16.1% | ▾ -2% |
| East Dubuque Community Unit School District 119 | 623 | 12.2% | ▴ 0.6% |
| Stockton Community Unit School District 206 | 490 | 9.6% | ▾ -5.2% |
| Download all school district data | |||
Jo Daviess County school district enrollment and trends per most recent NCES reporting data.
Jo Daviess County Housing & Real Estate
Jo Daviess County has a median home value of $193,900 and a median gross rent of $795. About 82% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Illinois median, while rents come in below the state average. In March 2026, the median listing price was $330,675 and homes spent about 62 days on the market.
Jo Daviess County Housing Mix
Jo Daviess County housing mix: owner, renter and vacant units.
Jo Daviess County Housing Trends
Jo Daviess County median home value and rent trend (last 5 years).
Businesses in Jo Daviess County, IL
Jo Daviess County has 1,497 business listings across 397 categories. The largest categories in Jo Daviess County business listings are Churches & Religious Organizations (42, 2.8%), Bed And Breakfast (34, 2.3%), and Auto Repair (29, 1.9%). The full Jo Daviess County business listings dataset includes names, categories, addresses and contact details where available. Jo Daviess County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Jo Daviess County, IL
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 42 | 2.8% |
| Bed And Breakfast | 34 | 2.3% |
| Auto Repair | 29 | 1.9% |
| Parks & Recreation | 29 | 1.9% |
| Flowers & Gifts | 29 | 1.9% |
| Gas Stations | 26 | 1.7% |
| Hotels | 25 | 1.7% |
| Landmark And Historical Building | 25 | 1.7% |
| Bars & Nightlife | 23 | 1.5% |
| Restaurants | 20 | 1.3% |
Jo Daviess County Business Listings
| Business | Category | City |
|---|---|---|
| Galena Clinic | Abuse And Addiction Treatment | Galena |
| The General Golf Course - Eagle Ridge Resort | Accommodation | Galena |
| Daroda Accounting LLC | Accountant | Stockton |
| Brixen Ivy Ranch | Active Life | Elizabeth |
| Richard A. Connell | Acupuncture | Galena |
| Drug Rehab Elizabeth | Addiction Rehabilitation Center | Elizabeth |
| Noty Kity Boutique | Adult Entertainment | Galena |
| NOTY KITY | Adult Store | Galena |
| Lange Sign Group | Advertising Agency | East Dubuque |
| M and W Feed Services | Agricultural Service | Elizabeth |
| Download Jo Daviess County business listings | ||
Jo Daviess County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Jo Daviess County Basemaps
Jo Daviess County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Jo Daviess County Data Package
This page shows a preview of what's included in the Jo Daviess County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Jo Daviess County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.