Monongah, West Virginia Demographics & Population 2026

A note before these figures: with a population of 837, Monongah'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

Monongah is a small community located in West Virginia, within Marion County. The total population is 837. It ranks as the 168th most populous out of 429 Census-designated places in West Virginia.

Age Demographics

The median age in Monongah is 47.2 years. This is 11% higher than the state median of 42.7 years. Only 10.5% of residents are under 18, indicating fewer families with children. 10.9% 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 Monongah is $50,875. This is 15% lower than the state median of $59,608. It is also 37% lower than the national median of $80,734. The poverty rate stands at 12.1%. This is 28% lower than the state poverty rate of 16.7%. The unemployment rate is 6.1%. This is 12% higher than the state rate of 5.4%. The median home value is $77,300. Housing costs are 52% lower than the state median of $162,600. With a home-value-to-income ratio of just 1.5x, Monongah is one of the most affordable housing markets in the area. 70.5% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 74.9%.

Race & Ethnicity

Monongah has a predominantly White (non-Hispanic) population, comprising 95.1% of all residents. Black or African American residents account for 0.8%. The Black or African American population (0.8%) is well below the state average of 3.1%. The Hispanic or Latino population (0.1%) is well below the state average of 2.1%.

Education

16.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower than the state rate of 24.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.0%.

Data Sources & Methodology

All demographic data for Monongah, West Virginia 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 West Virginia state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 429 Census-designated places in West Virginia. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.