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Population Review

Unified School District · WI

Norwalk-Ontario-Wilton School District

Norwalk-Ontario-Wilton School District is a unified school district in Wisconsin with a community population of 4,479. The median household income is $72,833 and the median age is 31.9.

4,479

Population

29

People / sq mi

$72,833

Median Income

31.9

Median Age

Norwalk-Ontario-Wilton School District covers 155 sq mi of land at 28.8 people per square mile.

Race & Ethnicity

White85.8%
Black or African American0.0%
Asian56.0%
Hispanic or Latino (any race)0.0%

Economy & Income

$72,833

Median Household Income

$28,315

Per Capita Income

11.6%

Poverty Rate

1.1%

Unemployment

Housing

$182,500

Median Home Value

$775

Median Rent

82.4%

Homeownership

Education Attainment

83.8%

High School+

16.6%

Bachelor's+

Other Wisconsin School Districts

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State rankings

Frequently Asked Questions

Norwalk-Ontario-Wilton School District serves a community with a population of 4,479 according to the latest Census ACS 5-Year estimates. This unified school district is located in Wisconsin.

The median household income in Norwalk-Ontario-Wilton School District is $72,833, with a per capita income of $28,315. The poverty rate is 11.6%.

Norwalk-Ontario-Wilton School District is 85.8% White, 0.0% Black or African American, 56.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.

In Norwalk-Ontario-Wilton School District, 83.8% of adults have a high school diploma or higher, and 16.6% hold a bachelor's degree or higher, per Census ACS estimates.

The median home value in Norwalk-Ontario-Wilton School District is $182,500, with a median rent of $775. The homeownership rate is 82.4%.

Data for Norwalk-Ontario-Wilton School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 5510770).

The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.

The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.

Source: U.S. Census Bureau ACS, 2026.