Rock Springs, Wisconsin Demographics & Population 2026

A note before these figures: with a population of 323, Rock Springs'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

Rock Springs is a small community located in Wisconsin, within Sauk County. The total population is 323. It ranks as the 617th most populous out of 808 Census-designated places in Wisconsin.

Age Demographics

The median age in Rock Springs is 37.6 years. This is 6% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Rock Springs is $77,250. This is about the same as the state median of $77,485. It is also 4% lower than the national median of $80,734. The poverty rate stands at 11.5%. This is 9% higher than the state poverty rate of 10.5%. The unemployment rate is 4.6%. This is 41% higher than the state rate of 3.3%. The median home value is $164,200. Housing costs are 38% lower than the state median of $266,500. With a home-value-to-income ratio of just 2.1x, Rock Springs is one of the most affordable housing markets in the area. 75.6% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.8%.

Race & Ethnicity

Rock Springs has a predominantly White (non-Hispanic) population, comprising 95.4% of all residents. Black or African American residents account for 1.2%. The Black or African American population (1.2%) is well below the state average of 5.9%.

Education

8.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 75% 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 89.1%.

Data Sources & Methodology

All demographic data for Rock Springs, 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.