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Ottawa, Wisconsin
Town hall
Town hall
Location in Waukesha County and the state of Wisconsin.
Location in Waukesha County and the state of Wisconsin.
Country  United States
State  Wisconsin
County Waukesha
 • Total 34.9 sq mi (90.4 km2)
 • Land 34.3 sq mi (88.9 km2)
 • Water 0.6 sq mi (1.6 km2)
856 ft (261 m)
 • Total 3,758
 • Density 109.5/sq mi (42.3/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP Code
53066, 53118
Area code(s) 262
FIPS code 55-60700
GNIS feature ID 1583880

Ottawa is a town in Waukesha County, Wisconsin, United States. The population was 3,758 at the 2000 census. The unincorporated community of Ottawa is located in the town.


The town is named after the Ottawa, a Native American tribe.


According to the United States Census Bureau, the town has a total area of 34.9 square miles (90.4 km²), of which, 34.3 square miles (88.9 km²) of it is land and 0.6 square miles (1.6 km²) of it (1.75%) is water.


Historical population
Census Pop.
1980 2,795
1990 2,988 6.9%
2000 3,758 25.8%
2010 3,859 2.7%

As of the census of 2000, there were 3,758 people, 1,375 households, and 1,112 families residing in the town. The population density was 109.5 people per square mile (42.3/km2). There were 1,436 housing units at an average density of 41.8 per square mile (16.2/km2). The racial makeup of the town was 98.06% White, 0.27% African American, 0.40% Native American, 0.24% Asian, 0.37% from other races, and 0.67% from two or more races. Hispanic or Latino of any race were 0.72% of the population.

There were 1,375 households, out of which 36.3% had children under the age of 18 living with them, 74.0% were married couples living together, 3.9% had a female householder with no husband present, and 19.1% were non-families. 16.2% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.06.

In the town, the population was spread out, with 26.4% under the age of 18, 5.8% from 18 to 24, 26.6% from 25 to 44, 29.7% from 45 to 64, and 11.4% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 100.1 males. For every 100 females age 18 and over, there were 99.8 males.

The median income for a household in the town was $69,493, and the median income for a family was $71,850. Males had a median income of $51,886 versus $35,825 for females. The per capita income for the town was $30,977. About 0.7% of families and 1.7% of the population were below the poverty line, including 0.2% of those under age 18 and 1.0% of those age 65 or over.

Notable people

  • Caleb C. Harris, physician and politician, lived in the town.
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