Lake County, Indiana Demographics 2026
Lake County, Indiana has a population of 500,379, the 2nd most populous county in Indiana. The median household income is $71,493 and the median home value is $230,600. The poverty rate is 14.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Lake County Quick Facts
How Lake County 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 | 498,990 | 500,379 | +0.3% |
| Median household income | $68,985 | $71,493 | +3.6% |
| Median home value | $214,700 | $230,600 | +7.4% |
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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hammond | 76,768 | $55,504 | 19.1% | $159,900 |
| Gary | 68,113 | $38,731 | 33.1% | $94,700 |
| Merrillville | 36,476 | $67,587 | 12.6% | $211,400 |
| Crown Point | 34,393 | $101,686 | 6.9% | $294,800 |
| Schererville | 29,701 | $89,466 | 7.7% | $314,900 |
| Hobart | 29,558 | $75,160 | 10.0% | $215,200 |
| East Chicago | 26,022 | $42,125 | 26.3% | $105,400 |
| Munster | 23,733 | $110,187 | 6.0% | $334,300 |
| Highland | 23,680 | $78,062 | 11.6% | $233,300 |
| St. John | 22,567 | $131,467 | 2.1% | $406,300 |
| Dyer | 16,400 | $107,159 | 6.2% | $322,200 |
| Griffith | 16,273 | $76,636 | 7.1% | $210,100 |
| Cedar Lake | 15,295 | $83,381 | 3.5% | $282,000 |
| Lake Station | 13,185 | $59,591 | 15.4% | $137,400 |
| Lowell | 11,073 | $84,024 | 5.5% | $248,000 |
| Winfield | 7,816 | $135,870 | 5.9% | $409,500 |
| Lakes of the Four Seasons | 7,402 | $121,750 | 3.1% | $337,300 |
| Whiting | 4,532 | $71,708 | 17.1% | $198,900 |
| New Chicago | 2,225 | $57,313 | 16.7% | $134,100 |
| Lake Dalecarlia | 1,169 | $118,472 | 6.2% | $327,100 |
| Schneider | 230 | $63,182 | 4.3% | $172,500 |
| Shelby | 164 | $32,180 | 32.9% | N/A |
Explore Indiana Rankings
Population Overview
Lake County is located in Indiana with a total population of 500,379. It is the 2nd most populous county out of 92 in Indiana. The county encompasses 22 Census-designated places.
Age Demographics
The median age in Lake County is 39.7 years. This is 4% higher than the state median of 38.1 years.
Economy, Income & Housing
The median household income in Lake County is $71,493. This is about the same as the state median of $71,957. It is also 11% lower than the national median of $80,734. The poverty rate stands at 14.3%. This is 16% higher than the state poverty rate of 12.3%. The unemployment rate is 6.1%. This is 42% higher than the state rate of 4.3%. The median home value is $230,600. Housing costs are 6% higher than the state median of $218,200. The home-value-to-income ratio is 3.2x. 71.7% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 70.5%.
Race & Ethnicity
The largest racial or ethnic group in Lake County is White (non-Hispanic), making up 51.4% of the population. Black or African American residents account for 22.7%. The Black or African American population is significantly higher than the state average (22.7% vs 9.1%). The Hispanic or Latino population is significantly higher than the state average (20.9% vs 8.6%).
Education
25.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% 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 90.2%.
Data Sources & Methodology
All figures for Lake County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Indiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Lake County, Indiana?
Lake County has a population of 500,379, making it the 2nd most populous county in Indiana.
What is the median income in Lake County?
The median household income in Lake County is $71,493 with a poverty rate of 14.3%.
How many cities are in Lake County, Indiana?
Lake County contains 22 Census-designated places.