Polonia, Wisconsin Demographics & Population 2026

A note before these figures: with a population of 776, Polonia'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

Polonia is a small community located in Wisconsin, within Portage County. The total population is 776. It ranks as the 447th most populous out of 808 Census-designated places in Wisconsin.

Age Demographics

The median age in Polonia is 48.1 years. This is 20% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Polonia is $119,154. This is 54% higher than the state median of $77,485. It is also 48% higher than the national median of $80,734. The poverty rate stands at 3.4%. This is 68% lower than the state poverty rate of 10.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.9%. This is 74% lower than the state rate of 3.3%. The median home value is $342,700. Housing costs are 29% higher than the state median of $266,500. With a home-value-to-income ratio of just 2.9x, Polonia is one of the most affordable housing markets in the area. 82.9% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 67.8%.

Race & Ethnicity

Every resident counted in Polonia was recorded as White (non-Hispanic). A figure of exactly 99.6% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

40.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% higher 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 99.1%. Notably, 18.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Polonia, 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.