Marlboro, Ohio Demographics & Population 2026

A note before these figures: with a population of 230, Marlboro'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

Marlboro is a small community located in Ohio, within Stark County. The total population is 230. It ranks as the 1092nd most populous out of 1,264 Census-designated places in Ohio.

Age Demographics

The median age in Marlboro is 65.0 years. This is 64% higher than the state median of 39.7 years. Only 3.9% of residents are under 18, indicating fewer families with children. 17.0% 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 Marlboro is $75,125. This is 5% higher than the state median of $71,389. It is also 7% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 48% lower than the state poverty rate of 13.3%. The survey records no unemployed residents in Marlboro, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $181,600. Housing costs are 15% lower than the state median of $214,800. With a home-value-to-income ratio of just 2.4x, Marlboro is one of the most affordable housing markets in the area. 69.2% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 67.2%.

Race & Ethnicity

Marlboro has a predominantly White (non-Hispanic) population, comprising 98.7% of all residents.

Education

7.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 77% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.4%.

Data Sources & Methodology

All demographic data for Marlboro, Ohio 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 Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.