Dimock, South Dakota Demographics & Population 2026

A note before these figures: with a population of 104, Dimock'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

Dimock is a small community located in South Dakota, within Hutchinson County. The total population is 104. It ranks as the 298th most populous out of 439 Census-designated places in South Dakota.

Age Demographics

The median age in Dimock is 60.0 years. This is 58% higher than the state median of 38.0 years. 10.6% 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 Dimock is $92,500. This is 23% higher than the state median of $75,081. It is also 15% higher than the national median of $80,734. The poverty rate stands at 3.9%. This is 68% lower than the state poverty rate of 11.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Dimock, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $187,500. Housing costs are 27% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.0x, Dimock is one of the most affordable housing markets in the area. 88.5% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 68.6%.

Race & Ethnicity

Dimock has a predominantly White (non-Hispanic) population, comprising 96.2% of all residents.

Education

19.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 31.9%. 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 Dimock, South Dakota 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 South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.