Dieterich, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Dieterich, Illinois had a total population of 1,169, the 659th largest village in Illinois, with a median household income of $74,500, which is 11% lower than the state average. The poverty rate is 10.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Dieterich Quick Facts
How Dieterich Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,171 | 1,169 | -0.2% |
| Median household income | $73,750 | $74,500 | +1.0% |
| Median home value | $201,200 | $201,300 | +0.0% |
How Dieterich Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Dieterich Rankings in Illinois
Explore Illinois Rankings
Other Cities in Effingham County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Effingham | 12,342 | $72,377 | 14.6% | $177,500 |
| Altamont | 2,282 | $75,510 | 15.1% | $129,800 |
| Teutopolis | 1,729 | $115,938 | 2.8% | $247,700 |
| Watson | 620 | $74,167 | 14.8% | $100,000 |
| Mason | 467 | $65,455 | 35.5% | $82,900 |
| Beecher City | 414 | $43,750 | 25.8% | $90,800 |
| Edgewood | 351 | $47,604 | 18.2% | $85,500 |
| Shumway | 260 | $82,159 | 20.7% | $102,500 |
| Montrose | 255 | $60,625 | 12.9% | $125,000 |
Cities Similar to Dieterich
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bunker Hill | 1,178 | $75,917 | $137,500 | 15.5% | 10.5% |
| Divernon | 1,164 | $71,750 | $133,700 | 21.0% | 16.1% |
| New Milford | 1,194 | $76,458 | $132,500 | 9.0% | 20.3% |
| Chatsworth | 1,172 | $69,559 | $103,200 | 10.7% | 16.8% |
| Mendon | 1,167 | $65,781 | $111,600 | 12.9% | 15.7% |
Population Overview
Dieterich is a small community located in Illinois, within Effingham County. The total population is 1,169. It ranks as the 659th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Dieterich is 30.4 years. This is 22% lower than the state median of 39.0 years. With 36.1% of the population under 18, Dieterich has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Dieterich is $74,500. This is 11% lower than the state median of $83,390. It is also 8% lower than the national median of $80,734. The poverty rate stands at 10.6%. This is 10% lower than the state poverty rate of 11.8%. The unemployment rate is 4.0%. This is 32% lower than the state rate of 5.8%. The median home value is $201,300. Housing costs are 24% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.7x, Dieterich is one of the most affordable housing markets in the area. 74.3% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.1%.
Race & Ethnicity
Dieterich has a predominantly White (non-Hispanic) population, comprising 97.4% of all residents. Hispanic or Latino residents account for 0.8%. The White (non-Hispanic) population is significantly higher than the state average (97.4% vs 58.1%). The Hispanic or Latino population (0.8%) is well below the state average of 18.8%. The Asian population (0.8%) is well below the state average of 5.9%.
Education
31.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.8%.
Data Sources & Methodology
All demographic data for Dieterich, Illinois 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 Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Dieterich, Illinois?
Dieterich, Illinois has a population of 1,169 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Dieterich, IL?
The median household income in Dieterich is $74,500, which is 8% lower than the national median of $80,734.
What is the poverty rate in Dieterich, IL?
The poverty rate in Dieterich is 10.6%. This means approximately 124 residents live below the federal poverty line.
What is the racial makeup of Dieterich, Illinois?
Dieterich's population is 97.4% White, 0.0% Black, 0.8% Hispanic/Latino, and 0.8% Asian.
What is the median home value in Dieterich, IL?
The median home value in Dieterich is $201,300. The home-value-to-income ratio is 2.7x.
How educated is Dieterich, Illinois?
31.2% of adults (25+) in Dieterich hold a bachelor's degree or higher, and 6.4% hold a graduate or professional degree.