North Lake, Wisconsin Demographics & Population 2026

A note before these figures: with a population of 348, North Lake's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

North Lake is a small community located in Wisconsin, within Waukesha County. The total population is 348. It ranks as the 600th most populous out of 808 Census-designated places in Wisconsin.

Age Demographics

The median age in North Lake is 45.7 years. This is 14% higher than the state median of 40.2 years. 12.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in North Lake is $67,321. This is 13% lower than the state median of $77,485. It is also 17% lower than the national median of $80,734. The poverty rate stands at 11.8%. This is 12% higher than the state poverty rate of 10.5%. The survey records no unemployed residents in North Lake, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $384,400. Housing costs are 44% higher than the state median of $266,500. The home-value-to-income ratio is 5.7x. 79.0% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.8%.

Race & Ethnicity

North Lake has a predominantly White (non-Hispanic) population, comprising 96.8% of all residents. Hispanic or Latino residents account for 2.9%. The Hispanic or Latino population (2.9%) is well below the state average of 8.0%.

Education

54.1% of residents aged 25 and older hold a bachelor's degree or higher. This places North Lake in the top 10% of all cities in the state for educational attainment. This is 62% higher than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for North Lake, Wisconsin is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 808 Census-designated places in Wisconsin. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.