Linn Grove, Iowa Demographics & Population 2026

A note before these figures: with a population of 215, Linn Grove'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

Linn Grove is a small community located in Iowa, within Buena Vista County. The total population is 215. It ranks as the 687th most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Linn Grove is 40.5 years. This is 5% higher than the state median of 38.6 years. With 37.2% of the population under 18, Linn Grove has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Linn Grove is $62,250. This is 17% lower than the state median of $75,059. It is also 23% lower than the national median of $80,734. The poverty rate stands at 9.3%. This is 16% lower than the state poverty rate of 11.1%. The unemployment rate is 2.3%. This is 37% lower than the state rate of 3.6%. The median home value is $93,300. Housing costs are 55% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.5x, Linn Grove is one of the most affordable housing markets in the area. 96.2% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 71.7%.

Race & Ethnicity

The largest racial or ethnic group in Linn Grove is White (non-Hispanic), making up 80.0% of the population. Hispanic or Latino residents account for 9.8%.

Education

33.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% higher than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.8%. Notably, 20.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Linn Grove, Iowa 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 Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.