Republic, Michigan Demographics & Population 2026

A note before these figures: with a population of 519, Republic'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

Republic is a small community located in Michigan, within Marquette County. The total population is 519. It ranks as the 543rd most populous out of 745 Census-designated places in Michigan.

Age Demographics

The median age in Republic is 58.5 years. This is 46% higher than the state median of 40.2 years. 13.3% 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 Republic is $37,083. This is 49% lower than the state median of $72,875. It is also 54% lower than the national median of $80,734. The poverty rate stands at 18.3%. This is 39% higher than the state poverty rate of 13.2%. The unemployment rate is 15.2%. This is 166% higher than the state rate of 5.7%. The median home value is $74,400. Housing costs are 68% lower than the state median of $231,600. With a home-value-to-income ratio of just 2.0x, Republic is one of the most affordable housing markets in the area. 88.9% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 73.2%.

Race & Ethnicity

Republic has a predominantly White (non-Hispanic) population, comprising 97.7% of all residents. Hispanic or Latino residents account for 1.0%. The Hispanic or Latino population (1.0%) is well below the state average of 5.9%.

Education

10.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% lower than the state rate of 32.5%. 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 Republic, Michigan 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 Michigan state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 745 Census-designated places in Michigan. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.