Tunnel City, Wisconsin Demographics & Population 2026

A note before these figures: with a population of 105, Tunnel City'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

Tunnel City is a small community located in Wisconsin, within Monroe County. The total population is 105. It ranks as the 759th most populous out of 808 Census-designated places in Wisconsin.

Age Demographics

The median age in Tunnel City is 54.5 years. This is 36% higher than the state median of 40.2 years. Only 6.7% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Tunnel City is $250,000+. This is 223% higher than the state median of $77,485. It is also 210% higher than the national median of $80,734. The poverty rate stands at 7.6%. This is 28% lower than the state poverty rate of 10.5%. The survey records no unemployed residents in Tunnel City, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $201,700. Housing costs are 24% lower than the state median of $266,500. With a home-value-to-income ratio of just 0.8x, Tunnel City is one of the most affordable housing markets in the area. 95.2% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 67.8%.

Race & Ethnicity

Tunnel City has a predominantly White (non-Hispanic) population, comprising 92.4% of all residents. Black or African American residents account for 1.9%. The Black or African American population (1.9%) is well below the state average of 5.9%. The Hispanic or Latino population (0.9%) is well below the state average of 8.0%.

Education

12.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 63% lower than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.6%.

Data Sources & Methodology

All demographic data for Tunnel City, 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.