Koontz Lake, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Koontz Lake, Indiana had a total population of 1,182, the 317th largest community in Indiana, with a median household income of $80,538, which is 12% higher than the state average. The poverty rate is 11.0%.
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 1.8x.
- Unemployment rate of 8.2% is notably above the national average.
Koontz Lake Quick Facts
How Koontz 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 | 1,217 | 1,182 | -2.9% |
| Median household income | $78,081 | $80,538 | +3.1% |
| Median home value | $124,500 | $143,200 | +15.0% |
How Koontz 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+)
Koontz Lake Rankings in Indiana
Explore Indiana Rankings
Other Cities in Marshall County
Cities Similar to Koontz Lake
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Dayton | 1,168 | $78,289 | $176,300 | 19.0% | 12.1% |
| Taylorsville | 1,248 | N/A | $169,100 | 17.9% | 33.9% |
| Prince's Lakes | 1,188 | $89,375 | $245,000 | 19.7% | 6.8% |
| Rome City | 1,182 | $71,016 | $265,900 | 26.4% | 11.8% |
| Thorntown | 1,212 | $73,750 | $193,800 | 17.5% | 8.5% |
Population Overview
Koontz Lake is a small community located in Indiana, within Marshall County. The total population is 1,182. It ranks as the 317th most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Koontz Lake is 55.0 years. This is 44% higher than the state median of 38.1 years. Only 14.6% of residents are under 18, indicating fewer families with children. 12.0% 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 Koontz Lake is $80,538. This is 12% higher than the state median of $71,957. It is also about the same as the national median of $80,734. The poverty rate stands at 11.0%. This is 11% lower than the state poverty rate of 12.3%. The unemployment rate is 8.2%. This is 91% higher than the state rate of 4.3%. The median home value is $143,200. Housing costs are 34% lower than the state median of $218,200. With a home-value-to-income ratio of just 1.8x, Koontz Lake is one of the most affordable housing markets in the area. 88.4% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 70.5%.
Race & Ethnicity
Koontz Lake has a predominantly White (non-Hispanic) population, comprising 96.9% of all residents. Hispanic or Latino residents account for 3.1%. The Hispanic or Latino population (3.1%) is well below the state average of 8.6%.
Education
19.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% 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 95.7%.
Data Sources & Methodology
All demographic data for Koontz 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 Koontz Lake, Indiana?
Koontz Lake, Indiana has a population of 1,182 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Koontz Lake, IN?
The median household income in Koontz Lake is $80,538, which is about the same as the national median of $80,734.
What is the poverty rate in Koontz Lake, IN?
The poverty rate in Koontz Lake is 11.0%. This means approximately 130 residents live below the federal poverty line.
What is the racial makeup of Koontz Lake, Indiana?
Koontz Lake's population is 96.9% White, 0.0% Black, 3.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Koontz Lake, IN?
The median home value in Koontz Lake is $143,200. The home-value-to-income ratio is 1.8x.
How educated is Koontz Lake, Indiana?
19.2% of adults (25+) in Koontz Lake hold a bachelor's degree or higher, and 8.3% hold a graduate or professional degree.