Gilbertville, Iowa Demographics & Population 2026

A note before these figures: with a population of 761, Gilbertville'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

Gilbertville is a small community located in Iowa, within Black Hawk County. The total population is 761. It ranks as the 362nd most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Gilbertville is 40.6 years. This is 5% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Gilbertville is $79,583. This is 6% higher than the state median of $75,059. It is also 1% lower than the national median of $80,734. The poverty rate stands at 3.1%. This is 72% lower than the state poverty rate of 11.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.7%. This is 4% higher than the state rate of 3.6%. The median home value is $197,400. Housing costs are 5% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.5x, Gilbertville is one of the most affordable housing markets in the area. 86.4% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 71.7%.

Race & Ethnicity

Gilbertville has a predominantly White (non-Hispanic) population, comprising 95.0% of all residents. Hispanic or Latino residents account for 2.4%. The Black or African American population (0.9%) is well below the state average of 3.8%. The Hispanic or Latino population (2.4%) is well below the state average of 7.3%.

Education

28.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% lower 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 98.9%.

Data Sources & Methodology

All demographic data for Gilbertville, 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.