Idamay, West Virginia Demographics & Population 2026

A note before these figures: with a population of 575, Idamay'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

Idamay is a small community located in West Virginia, within Marion County. The total population is 575. It ranks as the 209th most populous out of 429 Census-designated places in West Virginia.

Age Demographics

The median age in Idamay is 65.1 years. This is 52% higher than the state median of 42.7 years. Only 9.9% of residents are under 18, indicating fewer families with children. 19.3% 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 Idamay is $98,953. This is 66% higher than the state median of $59,608. It is also 23% higher than the national median of $80,734. The poverty rate stands at 17.7%. This is 6% higher than the state poverty rate of 16.7%. The unemployment rate is 3.3%. This is 39% lower than the state rate of 5.4%. The median home value is $111,200. Housing costs are 32% lower than the state median of $162,600. With a home-value-to-income ratio of just 1.1x, Idamay is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 74.9%.

Race & Ethnicity

Idamay has a predominantly White (non-Hispanic) population, comprising 93.0% of all residents.

Education

9.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 59% lower than the state rate of 24.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Idamay, 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.