Carbon, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Carbon, Indiana had a total population of 238, the 666th largest town in Indiana, with a median household income of $86,667, which is 20% higher than the state average. The poverty rate is 8.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.0x.
Carbon Quick Facts
How Carbon 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 | 293 | 238 | -18.8% |
| Median household income | $70,000 | $86,667 | +23.8% |
| Median home value | $73,300 | $87,500 | +19.4% |
How Carbon 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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Carbon Rankings in Indiana
Explore Indiana Rankings
Other Cities in Clay County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Brazil | 7,831 | $52,055 | 18.6% | $113,900 |
| Clay City | 1,104 | $72,292 | 10.8% | $94,500 |
| Harmony | 645 | $54,615 | 11.4% | $116,700 |
| Knightsville | 642 | $60,208 | 9.0% | $109,800 |
| Center Point | 377 | N/A | 11.7% | $94,800 |
| Staunton | 350 | $57,500 | 12.9% | $92,900 |
| Coalmont | 297 | $110,074 | 0.0% | $137,500 |
Cities Similar to Carbon
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rolling Prairie | 238 | N/A | $251,800 | 60.1% | 0.0% |
| Huron | 237 | $88,333 | N/A | 66.2% | 34.6% |
| Martinsburg | 233 | N/A | $101,400 | 10.4% | 0.0% |
| Butlerville | 231 | N/A | N/A | 0.0% | 71.0% |
| Mongo | 246 | N/A | $97,600 | 0.0% | 0.0% |
A note before these figures: with a population of 238, Carbon'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
Carbon is a small community located in Indiana, within Clay County. The total population is 238. It ranks as the 666th most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Carbon is 27.7 years. This is 27% lower than the state median of 38.1 years. With 30.3% of the population under 18, Carbon has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Carbon is $86,667. This is 20% higher than the state median of $71,957. It is also 7% higher than the national median of $80,734. The poverty rate stands at 8.8%. This is 29% lower than the state poverty rate of 12.3%. The unemployment rate is 5.7%. This is 33% higher than the state rate of 4.3%. The median home value is $87,500. Housing costs are 60% lower than the state median of $218,200. With a home-value-to-income ratio of just 1.0x, Carbon is one of the most affordable housing markets in the area. 88.2% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 70.5%.
Race & Ethnicity
Every resident counted in Carbon was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
14.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% lower than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.0%.
Data Sources & Methodology
All demographic data for Carbon, Indiana 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 Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. 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 Carbon, Indiana?
Carbon, Indiana has a population of 238 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Carbon, IN?
The median household income in Carbon is $86,667, which is 7% higher than the national median of $80,734.
What is the poverty rate in Carbon, IN?
The poverty rate in Carbon is 8.8%. This means approximately 21 residents live below the federal poverty line.
What is the racial makeup of Carbon, Indiana?
Carbon's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Carbon, IN?
The median home value in Carbon is $87,500. The home-value-to-income ratio is 1.0x.
How educated is Carbon, Indiana?
14.4% of adults (25+) in Carbon hold a bachelor's degree or higher, and 2.5% hold a graduate or professional degree.