Marblehead, Ohio Demographics & Population 2026

A note before these figures: with a population of 876, Marblehead'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

Marblehead is a small community located in Ohio, within Ottawa County. The total population is 876. It ranks as the 716th most populous out of 1,264 Census-designated places in Ohio.

Age Demographics

The median age in Marblehead is 61.2 years. This is 54% higher than the state median of 39.7 years. Only 11.3% of residents are under 18, indicating fewer families with children. 15.9% 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 Marblehead is $96,250. This is 35% higher than the state median of $71,389. It is also 19% higher than the national median of $80,734. The poverty rate stands at 2.3%. This is 83% lower than the state poverty rate of 13.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.1%. This is 56% lower than the state rate of 4.8%. The median home value is $376,400. Housing costs are 75% higher than the state median of $214,800. The home-value-to-income ratio is 3.9x. 91.2% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 67.2%.

Race & Ethnicity

Marblehead has a predominantly White (non-Hispanic) population, comprising 93.8% of all residents. Asian residents account for 1.8%. The Black or African American population (0.3%) is well below the state average of 12.0%.

Education

45.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% higher 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 98.5%. Notably, 17.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Marblehead, 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.