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Where am ILOCATED

Jo Daviess County, Illinois

Jo Daviess County, Illinois, has 21,594 residents (July 2025 estimate). Its county seat is Galena. It uses Central Time and covers 601 sq mi (1,556 km²) of land.

ChicagoAurora
Jo Daviess County in Illinois
GalenaStocktonThe Galena TerritoryEast DubuqueWarren
Jo Daviess County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
21,594
Land area
601 sq mi (1,556 km²)
County seat or government
Galena
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$73,993 ± $4,296
Median home value
$209,900 ± $10,953
Median rent, with utilities
$825 ± $42
Homes lived in by their owners
80.4% ± 1.2 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Dubuque, IA metro area, Platteville, WI micro area, and Freeport, IL micro area
Water area
17.7 sq mi (45.8 km²)
State
Illinois
County code (FIPS)
17085
Coordinates (central point)
42.362391, -90.211470
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Jo Daviess County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 610367,121 people
  2. 610254,294 people
  3. 610743,962 people
  4. 610483,786 people
  5. 610853,149 people
  6. 610532,590 people
  7. 610621,840 people
  8. 610281,683 people
  9. 610871,588 people
  10. 610411,338 people
  11. 610011,226 people
  12. 61075986 people
All 15
  1. 61089526 people
  2. 61044225 people
  3. 61059178 people

15 ZIP Code areas overlap Jo Daviess County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Jo Daviess County, largest first

  1. Dunleith Township3,527 people
  2. West Galena Township3,194 people
  3. Stockton Township2,287 people
  4. Guilford Township1,886 people
  5. Warren Township1,551 people
  6. East Galena Township1,153 people
  7. Hanover Township1,106 people
  8. Thompson Township999 people
  9. Elizabeth Township900 people
  10. Menominee Township767 people
  11. Scales Mound Township672 people
  12. Rawlins Township595 people
All 23
  1. Rice Township518 people
  2. Woodbine Township432 people
  3. Nora Township416 people
  4. Rush Township328 people
  5. Apple River Township323 people
  6. Wards Grove Township308 people
  7. Pleasant Valley Township261 people
  8. Vinegar Hill Township239 people
  9. Derinda Township208 people
  10. Council Hill Township162 people
  11. Berreman Township19 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Illinois, by county

School districts in Jo Daviess County, largest first

  1. West Carroll Community Unit School District 3149,166 people
  2. Galena Unit School District 1205,681 people
  3. Lena-Winslow Community Unit School District 2024,698 people
  4. East Dubuque Community Unit School District 1194,120 people
  5. River Ridge Community Unit School District 2103,782 people
  6. Stockton Community Unit School District 2063,556 people
  7. Warren Community Unit School District 2052,583 people
  8. Pearl City Community Unit School District 2002,290 people
  9. Scales Mound Community Unit School District 2112,036 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Galena, Illinois (city)2,931 people
  2. Stockton, Illinois (village)1,873 people
  3. The Galena Territory, Illinois (CDP)1,735 people
  4. East Dubuque, Illinois (city)1,470 people
  5. Warren, Illinois (village)1,396 people
  6. Hanover, Illinois (village)829 people
  7. Elizabeth, Illinois (village)775 people
  8. Apple Canyon Lake, Illinois (CDP)741 people
  9. Scales Mound, Illinois (village)463 people
  10. Menominee, Illinois (village)345 people
  11. Apple River, Illinois (village)290 people
  12. Nora, Illinois (village)180 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lafayette County, Wisconsin21 mi north
  2. Jackson County, Iowa23 mi southwest
  3. Carroll County, Illinois25 mi southeast
  4. Stephenson County, Illinois28 mi east
  5. Dubuque County, Iowa35 mi west
  6. Grant County, Wisconsin43 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.