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Where am ILOCATED

Green Lake County, Wisconsin

Green Lake County, Wisconsin, has 19,305 residents (July 2025 estimate). Its county seat is Green Lake. It uses Central Time and covers 350 sq mi (905 km²) of land.

MilwaukeeMadisonGreen Bay
Green Lake County in Wisconsin
Marquette CountyBerlinMarkesanPrincetonGreen LakeKingston
Green Lake County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
19,305
Land area
350 sq mi (905 km²)
County seat or government
Green Lake
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$68,196 ± $3,762
Median home value
$215,400 ± $9,379
Median rent, with utilities
$818 ± $70
Homes lived in by their owners
74.5% ± 1.7 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Beaver Dam, WI micro area, Oshkosh-Neenah, WI metro area, Fond du Lac, WI metro area, and Madison, WI metro area
Water area
30.6 sq mi (79.2 km²)
State
Wisconsin
County code (FIPS)
55047
Coordinates (central point)
43.780247, -88.970380
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 Green Lake 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. 5497110,907 people
  2. 549238,793 people
  3. 539496,292 people
  4. 539464,333 people
  5. 539563,477 people
  6. 549602,997 people
  7. 549682,762 people
  8. 549412,563 people
  9. 539232,295 people
  10. 539261,951 people
  11. 53939251 people
  12. 53947223 people

12 ZIP Code areas overlap Green Lake 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

Green Lake County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Green Lake County, largest first

  1. Town of Brooklyn1,650 people
  2. Town of Princeton1,477 people
  3. Town of Green Lake1,312 people
  4. Town of Berlin1,281 people
  5. Town of Manchester1,176 people
  6. Town of Kingston1,104 people
  7. Town of Marquette600 people
  8. Town of Mackford451 people
  9. Town of Seneca367 people
  10. Town of St. Marie303 people

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

School districts in Green Lake County, largest first

  1. Ripon Area School District10,762 people
  2. Berlin Area School District10,271 people
  3. Montello School District6,717 people
  4. Markesan School District6,622 people
  5. Princeton School District3,038 people
  6. Green Lake School District2,820 people
  7. Cambria-Friesland School District2,474 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. Berlin, Wisconsin (city)5,562 people
  2. Markesan, Wisconsin (city)1,275 people
  3. Princeton, Wisconsin (city)1,166 people
  4. Green Lake, Wisconsin (city)1,076 people
  5. Kingston, Wisconsin (village)271 people
  6. Marquette, Wisconsin (village)232 people
  7. Dalton, Wisconsin (CDP)227 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Marquette County, Wisconsin22 mi west
  2. Fond du Lac County, Wisconsin24 mi east
  3. Winnebago County, Wisconsin26 mi northeast
  4. Waushara County, Wisconsin27 mi northwest
  5. Dodge County, Wisconsin28 mi southeast
  6. Columbia County, Wisconsin28 mi southwest

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.