Oblong, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Oblong, Illinois had a total population of 1,634, the 553rd largest village in Illinois, with a median household income of $57,917, which is 31% lower than the state average. The poverty rate is 13.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.4x.
Oblong Quick Facts
How Oblong 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 | 1,617 | 1,634 | +1.1% |
| Median household income | $52,702 | $57,917 | +9.9% |
| Median home value | $78,400 | $83,100 | +6.0% |
How Oblong 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+)
Oblong Rankings in Illinois
Explore Illinois Rankings
Other Cities in Crawford County
Cities Similar to Oblong
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| De Soto | 1,654 | $62,813 | $94,700 | 15.7% | 16.3% |
| Wyoming | 1,578 | $60,238 | $109,500 | 20.7% | 11.8% |
| Hodgkins | 1,597 | $62,417 | $45,800 | 11.6% | 15.6% |
| Crainville | 1,641 | $65,461 | $185,300 | 36.5% | 10.2% |
| Carrier Mills | 1,634 | $50,729 | $60,100 | 11.1% | 25.4% |
Population Overview
Oblong is a small community located in Illinois, within Crawford County. The total population is 1,634. It ranks as the 553rd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Oblong is 38.7 years. This is about the same as the state median of 39.0 years. 11.1% 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 Oblong is $57,917. This is 31% lower than the state median of $83,390. It is also 28% lower than the national median of $80,734. The poverty rate stands at 13.9%. This is 17% higher than the state poverty rate of 11.8%. The unemployment rate is 3.3%. This is 44% lower than the state rate of 5.8%. The median home value is $83,100. Housing costs are 68% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.4x, Oblong is one of the most affordable housing markets in the area. 71.8% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 67.1%.
Race & Ethnicity
Oblong has a predominantly White (non-Hispanic) population, comprising 94.7% of all residents. Black or African American residents account for 0.1%. The White (non-Hispanic) population is significantly higher than the state average (94.7% vs 58.1%). The Black or African American population (0.1%) is well below the state average of 13.3%. The Hispanic or Latino population (0.1%) is well below the state average of 18.8%.
Education
11.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% 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 94.4%.
Data Sources & Methodology
All demographic data for Oblong, 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 Oblong, Illinois?
Oblong, Illinois has a population of 1,634 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oblong, IL?
The median household income in Oblong is $57,917, which is 28% lower than the national median of $80,734.
What is the poverty rate in Oblong, IL?
The poverty rate in Oblong is 13.9%. This means approximately 219 residents live below the federal poverty line.
What is the racial makeup of Oblong, Illinois?
Oblong's population is 94.7% White, 0.1% Black, 0.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Oblong, IL?
The median home value in Oblong is $83,100. The home-value-to-income ratio is 1.4x.
How educated is Oblong, Illinois?
11.3% of adults (25+) in Oblong hold a bachelor's degree or higher, and 3.8% hold a graduate or professional degree.