Hartz Lake, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Hartz Lake, Indiana had a total population of 312, the 601st largest community in Indiana, with a median household income of $45,360, which is 37% lower than the state average. The poverty rate is 55.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 37% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (55.5%), well above the national average of 12.4%.
- Only 8.5% of adults have a bachelor's degree, well below the national average of 35.7%.
Hartz Lake Quick Facts
How Hartz Lake 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 | 291 | 312 | +7.2% |
| Median household income | $43,659 | $45,360 | +3.9% |
How Hartz Lake 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+)
Hartz Lake Rankings in Indiana
Explore Indiana Rankings
Cities Similar to Hartz Lake
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Needmore | 309 | N/A | $94,200 | 8.9% | 5.9% |
| Amity | 317 | N/A | $207,900 | 0.0% | 19.2% |
| Fair Oaks | 323 | N/A | N/A | 0.0% | 14.9% |
| Ontario | 301 | N/A | N/A | 5.4% | 0.0% |
| Arthur | 299 | N/A | $110,800 | 20.9% | 42.5% |
A note before these figures: with a population of 312, Hartz Lake'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
Hartz Lake is a small community located in Indiana. The total population is 312. It ranks as the 601st most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Hartz Lake is 47.1 years. This is 24% higher than the state median of 38.1 years. With 32.4% of the population under 18, Hartz Lake has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Hartz Lake is $45,360. This is 37% lower than the state median of $71,957. It is also 44% lower than the national median of $80,734. The poverty rate stands at 55.5%. This is 349% higher than the state poverty rate of 12.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Hartz Lake, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 70.5%.
Race & Ethnicity
Hartz Lake has a predominantly White (non-Hispanic) population, comprising 90.4% of all residents. Black or African American residents account for 8.3%.
Education
8.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 71% 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 75.8%.
Data Sources & Methodology
All demographic data for Hartz Lake, 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 Hartz Lake, Indiana?
Hartz Lake, Indiana has a population of 312 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Hartz Lake, IN?
The median household income in Hartz Lake is $45,360, which is 44% lower than the national median of $80,734.
What is the poverty rate in Hartz Lake, IN?
The poverty rate in Hartz Lake is 55.5%. This means approximately 173 residents live below the federal poverty line.
What is the racial makeup of Hartz Lake, Indiana?
Hartz Lake's population is 90.4% White, 8.3% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Hartz Lake, IN?
The Census Bureau does not publish a reliable median home value estimate for Hartz Lake — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Hartz Lake, Indiana?
8.5% of adults (25+) in Hartz Lake hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.