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Green Lake County, Wisconsin | |
Old Green Lake County Courthouse
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Location in the state of Wisconsin | |
Wisconsin's location in the U.S. | |
Founded | 1858 |
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Named for | Green Lake |
Seat | Green Lake |
Largest city | Berlin |
Area - Total - Land - Water |
380 sq mi (984 km²) 349 sq mi (904 km²) 31 sq mi (80 km²), 8.1% |
Population - (2020) - Density |
19,018 |
Congressional district | 6th |
Time zone | Central: UTC-6/-5 |
Website | www.co.green-lake.wi.us |
Green Lake County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 19,018.[1] Its county seat is Green Lake.[2] In 2020, the center of population of Wisconsin was located in Green Lake County, near the city of Markesan.[3]
Geography[]

Government Center
According to the U.S. Census Bureau, the county has a total area of 380 square miles (980 km2), of which 349 square miles (900 km2) are land and 31 square miles (80 km2) (8.1%) are covered by water.[4] It is the third-smallest county in Wisconsin by total area.
Major highways[]
Highway 23 (Wisconsin)
Highway 44 (Wisconsin)
Highway 49 (Wisconsin)
Highway 73 (Wisconsin)
Highway 91 (Wisconsin)
Railroads[]
- Union Pacific
- Wisconsin and Southern Railroad
Buses[]
- List of intercity bus stops in Wisconsin
Adjacent counties[]
- Waushara County – north
- Winnebago County – northeast
- Fond du Lac County – east
- Dodge County – southeast
- Columbia County – southwest
- Marquette County – west
Demographics[]
Historical populations | |||
---|---|---|---|
Census | Pop. | %± | |
1860 | 12,663 | ||
1870 | 13,195 | 4.2% | |
1880 | 14,483 | 9.8% | |
1890 | 15,163 | 4.7% | |
1900 | 15,797 | 4.2% | |
1910 | 15,491 | −1.9% | |
1920 | 14,875 | −4.0% | |
1930 | 13,913 | −6.5% | |
1940 | 14,092 | 1.3% | |
1950 | 14,749 | 4.7% | |
1960 | 15,418 | 4.5% | |
1970 | 16,878 | 9.5% | |
1980 | 18,370 | 8.8% | |
1990 | 18,651 | 1.5% | |
2000 | 19,105 | 2.4% | |
2010 | 19,051 | −0.3% | |
U.S. Decennial Census[5] 1790–1960[6] 1900–1990[7] 1990–2000[8] 2010[9] 2020[1] |
2020 census[]
As of the census of 2020,[1] the population was 19,018. The population density was 54.4 inhabitants per square mile (21.0 /km2). There were 10,671 housing units at an average density of 30.5 per square mile (11.8 /km2). The racial makeup of the county was 92.0% White, 0.6% Black or African American, 0.5% Asian, 0.4% Native American, 0.1% Pacific Islander, 2.1% from other races, and 4.2% from two or more races. Ethnically, the population was 5.1% Hispanic or Latino of any race.
2000 census[]
2000 Census Age Pyramid for Green Lake County. |
As of the census[10] of 2000, there were 19,105 people, 7,703 households, and 5,322 families residing in the county. The population density was 54 people per square mile (21/km2). There were 9,831 housing units at an average density of 28 per square mile (11/km2). The racial makeup of the county was 97.81% White, 0.15% Black or African American, 0.20% Native American, 0.31% Asian, 0.04% Pacific Islander, 0.89% from other races, and 0.60% from two or more races. 2.06% of the population were Hispanic or Latino of any race. 51.8% were of German, 10.6% Polish, 5.8% Irish and 5.8% American ancestry. 94.2% spoke English, 3.0% Spanish and 1.8% German as their first language.
There were 7,703 households, out of which 29.40% had children under the age of 18 living with them, 58.50% were married couples living together, 6.90% had a female householder with no husband present, and 30.90% were non-families. 27.00% of all households were made up of individuals, and 13.80% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.96.
In the county, the population was spread out, with 24.20% under the age of 18, 6.60% from 18 to 24, 26.20% from 25 to 44, 24.20% from 45 to 64, and 18.80% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 97.00 males. For every 100 females age 18 and over, there were 95.20 males.
Birth statistics[]
In 2017, there were 380 births, giving a general fertility rate of 61.6 births per 1000 women aged 15–44, the 32nd lowest rate out of all 72 Wisconsin counties. Of these, 77 of the births occurred at home, the fourth highest for Wisconsin counties.[11] Additionally, there were 11 reported induced abortions performed on women of Green Lake County residence in 2017.[12]
Religious membership[]
In 2010, the largest religious groups by number of adherents were Catholic at 5,290 adherents, Wisconsin Synod Lutheran at 2,498 adherents, Missouri Synod Lutheran at 1,173 adherents, ELCA Lutheran at 964 adherents, and Amish at 812 adherents.[13]
Communities[]

Welcome sign for Green Lake County on WIS 44
Cities[]
- Berlin (partly in Waushara County)
- Green Lake (county seat)
- Markesan
- Princeton
Villages[]
- Kingston
- Marquette
Towns[]
- Berlin
- Brooklyn
- Green Lake
- Kingston
- Mackford
- Manchester
- Marquette
- Princeton
- Seneca
- St. Marie
Census-designated place[]
- Dalton
Unincorporated communities[]
- Fairburn
- Forest Glen Beach
- Green Lake Terrace
- Greenwyck
- Indian Hills
- Manchester
- Pleasant Point
- Sandstone Bluff
- Sherwood Forest
- Spring Grove
- Tuleta Hills
- Utley
Politics[]
Year | Republican | Democratic | Third party | |||
---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | |
2020 | 7,168 | 67.17% | 3,344 | 31.34% | 159 | 1.49% |
2016 | 6,216 | 66.02% | 2,693 | 28.60% | 507 | 5.38% |
2012 | 5,782 | 59.76% | 3,793 | 39.20% | 100 | 1.03% |
2008 | 5,393 | 56.55% | 4,000 | 41.95% | 143 | 1.50% |
2004 | 6,472 | 63.59% | 3,605 | 35.42% | 101 | 0.99% |
2000 | 5,451 | 59.86% | 3,301 | 36.25% | 355 | 3.90% |
1996 | 3,565 | 45.23% | 3,152 | 39.99% | 1,165 | 14.78% |
1992 | 3,897 | 40.85% | 2,772 | 29.06% | 2,871 | 30.09% |
1988 | 5,205 | 62.72% | 3,033 | 36.55% | 61 | 0.74% |
1984 | 6,198 | 71.11% | 2,441 | 28.01% | 77 | 0.88% |
1980 | 5,868 | 63.42% | 2,851 | 30.81% | 533 | 5.76% |
1976 | 5,020 | 58.41% | 3,411 | 39.69% | 164 | 1.91% |
1972 | 5,046 | 67.67% | 2,174 | 29.15% | 237 | 3.18% |
1968 | 4,893 | 63.69% | 2,299 | 29.92% | 491 | 6.39% |
1964 | 3,871 | 49.83% | 3,893 | 50.12% | 4 | 0.05% |
1960 | 5,110 | 64.74% | 2,776 | 35.17% | 7 | 0.09% |
1956 | 5,441 | 76.49% | 1,643 | 23.10% | 29 | 0.41% |
1952 | 6,117 | 79.27% | 1,590 | 20.60% | 10 | 0.13% |
1948 | 3,939 | 68.76% | 1,722 | 30.06% | 68 | 1.19% |
1944 | 4,571 | 67.38% | 2,190 | 32.28% | 23 | 0.34% |
1940 | 4,919 | 67.25% | 2,357 | 32.23% | 38 | 0.52% |
1936 | 2,926 | 42.55% | 3,840 | 55.84% | 111 | 1.61% |
1932 | 2,179 | 32.61% | 4,446 | 66.53% | 58 | 0.87% |
1928 | 3,038 | 53.15% | 2,622 | 45.87% | 56 | 0.98% |
1924 | 1,988 | 37.45% | 1,090 | 20.53% | 2,231 | 42.02% |
1920 | 3,467 | 75.53% | 890 | 19.39% | 233 | 5.08% |
1916 | 1,647 | 53.47% | 1,352 | 43.90% | 81 | 2.63% |
1912 | 1,269 | 42.53% | 1,407 | 47.15% | 308 | 10.32% |
1908 | 2,094 | 55.15% | 1,608 | 42.35% | 95 | 2.50% |
1904 | 2,181 | 60.92% | 1,269 | 35.45% | 130 | 3.63% |
1900 | 2,081 | 56.41% | 1,522 | 41.26% | 86 | 2.33% |
1896 | 2,103 | 55.69% | 1,568 | 41.53% | 105 | 2.78% |
1892 | 1,430 | 42.60% | 1,810 | 53.92% | 117 | 3.49% |
See also[]
- National Register of Historic Places listings in Green Lake County, Wisconsin
References[]
- ^ a b c "2020 Decennial Census: Green Lake County, Wisconsin". U.S. Census Bureau. https://data.census.gov/cedsci/table?g=0500000US55047&y=2020&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29.
- ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx.
- ^ "Centers of Population by State, 2020". United States Census Bureau. https://www2.census.gov/geo/docs/reference/cenpop2020/CenPop2020_Mean_ST.txt.
- ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. http://www2.census.gov/geo/docs/maps-data/data/gazetteer/counties_list_55.txt.
- ^ "U.S. Decennial Census". United States Census Bureau. https://www.census.gov/programs-surveys/decennial-census.html.
- ^ "Historical Census Browser". University of Virginia Library. http://mapserver.lib.virginia.edu.
- ^ Forstall, Richard L., ed (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. https://www.census.gov/population/cencounts/wi190090.txt.
- ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. April 2, 2001. https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf.
- ^ "State & County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/55/55047.html.
- ^ "U.S. Census website". United States Census Bureau. https://www.census.gov.
- ^ "Annual Wisconsin Birth and Infant Mortality Report, 2017 P-01161-19 (June 2019): Detailed Tables". https://www.dhs.wisconsin.gov/publication/p01161-2019-tb.xlsx.
- ^ Reported Induced Abortions in Wisconsin, Office of Health Informatics, Division of Public Health, Wisconsin Department of Health Services. Section: Trend Information, 2013-2017, Table 18, pages 17-18
- ^ thearda.com County Membership Report for Green Lake County, 2010 data
- ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". http://uselectionatlas.org/RESULTS.
Further reading[]
- Portrait and Biographical Album of Green Lake, Marquette and Waushara Counties, Wisconsin. Chicago: Acme Publishing, 1890.
External links[]
- Green Lake County government website
- Green Lake County map from the Wisconsin Department of Transportation
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Waushara County | Winnebago County | ![]() | |
Marquette County | Fond du Lac County | |||
![]() ![]() Green Lake County, Wisconsin | ||||
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Columbia County | Dodge County |
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