Idanha, Oregon Demographics & Population 2026

A note before these figures: with a population of 201, Idanha'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

Idanha is a small community located in Oregon, within Marion County. The total population is 201. It ranks as the 359th most populous out of 420 Census-designated places in Oregon.

Age Demographics

The median age in Idanha is 49.1 years. This is 22% higher than the state median of 40.4 years. 11.9% 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 Idanha is $40,208. This is 52% lower than the state median of $83,011. It is also 50% lower than the national median of $80,734. The poverty rate stands at 29.1%. This is 144% higher than the state poverty rate of 11.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 3.2%. This is 41% lower than the state rate of 5.4%. The median home value is $263,100. Housing costs are 45% lower than the state median of $477,600. The home-value-to-income ratio of 6.5x suggests that housing affordability is a significant concern for many residents. 61.8% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 63.3%.

Race & Ethnicity

Idanha has a predominantly White (non-Hispanic) population, comprising 86.6% of all residents. Hispanic or Latino residents account for 9.0%.

Education

0.6% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 98% lower than the state rate of 36.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 56.8%.

Data Sources & Methodology

All demographic data for Idanha, Oregon 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 Oregon state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Oregon. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.