Lake County, Illinois
Lake County, Illinois, had an estimated population of 719,339 in 2025 across 1,149 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Illinois's counties and nationally.
- Population
- 719,339
- 2025 estimate
- Area
- 1,149 km²
- Density
- 626
- per km²
- Median income
- $110,416
- household, ACS 2024
- Median age
- 39.1
- years, ACS 2024
How Illinois's counties spread
Amenities & Infrastructure
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Households with Broadband2024 | 94.3% | 4 / 102 | 122 / 3,144 |
| Median Gross Rent2024 | $1,477 | 3 / 102 | 260 / 3,137 |
| Median Home Value2024 | $345,700 | 2 / 102 | 441 / 3,139 |
| Owner-Occupied Homes2024 | 74.8% | 65 / 102 | 1,539 / 3,144 |
| Vacant Homes2024 | 4.5% | 95 / 102 | 3,026 / 3,144 |
Demography
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 15.8% | 95 / 102 | 2,652 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 18 / 102 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 8.6% | 3 / 102 | 70 / 3,144 |
| Average Household Size2024people | 2.7 | 7 / 102 | 387 / 3,144 |
| Black, non-Hispanic2024 | 6.3% | 26 / 102 | 975 / 3,144 |
| Foreign-Born2024 | 19.8% | 3 / 102 | 116 / 3,144 |
| Hispanic or Latino2024 | 24.9% | 4 / 102 | 332 / 3,144 |
| Median Age2024years | 39.1 | 86 / 102 | 2,270 / 3,144 |
| Sex Ratio2024per 1,000 males | 988 | 66 / 102 | 1,848 / 3,144 |
| Speak a Language Other Than English2024 | 31.4% | 3 / 102 | 188 / 3,144 |
| Under 182024 | 23.3% | 16 / 102 | 927 / 3,144 |
| Veterans2024 | 4.7% | 96 / 102 | 2,839 / 3,144 |
| White, non-Hispanic2024 | 56.2% | 100 / 102 | 2,546 / 3,144 |
Economy
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 8.3% | 88 / 102 | 2,716 / 3,144 |
| Households on SNAP2024 | 9.4% | 89 / 102 | 2,046 / 3,144 |
| Income Inequality2024index | 0.480 | 9 / 102 | 547 / 3,144 |
| Median Household Income2024 | $110,416 | 3 / 102 | 95 / 3,143 |
| Per Capita Income2024 | $57,153 | 2 / 102 | 102 / 3,144 |
| Unemployment Rate2024 | 5.2% | 27 / 102 | 1,020 / 3,144 |
Education
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 47.7% | 2 / 102 | 127 / 3,144 |
| High School or Higher2024 | 90.6% | 69 / 102 | 1,469 / 3,144 |
Health Coverage
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| No Health Insurance2024 | 6.9% | 17 / 102 | 1,835 / 3,144 |
| With a Disability2024 | 9.8% | 98 / 102 | 3,026 / 3,144 |
Population & Density
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Population2025 | 719,339 | 3 / 102 | 98 / 3,144 |
| Population Density2025/km² | 626 | 3 / 102 | 98 / 3,144 |
Work & Commute
| Indicator | Value | In Illinois | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 2.7% | 4 / 102 | 125 / 3,144 |
| Households with No Vehicle2024 | 4.6% | 75 / 102 | 1,999 / 3,144 |
| Mean Commute Time2024minutes | 28.5 | 12 / 102 | 692 / 3,143 |
| Work from Home2024 | 19.5% | 3 / 102 | 151 / 3,144 |
Other counties of Illinois
- Adams County
- Alexander County
- Bond County
- Boone County
- Brown County
- Bureau County
- Calhoun County
- Carroll County
- Cass County
- Champaign County
- Christian County
- Clark County
- Clay County
- Clinton County
- Coles County
- Cook County
- Crawford County
- Cumberland County
- De Witt County
- DeKalb County
- Douglas County
- DuPage County
- Edgar County
- Edwards County
- Effingham County
- Fayette County
- Ford County
- Franklin County
- Fulton County
- Gallatin County
- Greene County
- Grundy County
- Hamilton County
- Hancock County
- Hardin County
- Henderson County
- Henry County
- Iroquois County
- Jackson County
- Jasper County
- Jefferson County
- Jersey County
- Jo Daviess County
- Johnson County
- Kane County
- Kankakee County
- Kendall County
- Knox County
- LaSalle County
- Lawrence County
- Lee County
- Livingston County
- Logan County
- Macon County
- Macoupin County
- Madison County
- Marion County
- Marshall County
- Mason County
- Massac County
- McDonough County
- McHenry County
- McLean County
- Menard County
- Mercer County
- Monroe County
- Montgomery County
- Morgan County
- Moultrie County
- Ogle County
- Peoria County
- Perry County
- Piatt County
- Pike County
- Pope County
- Pulaski County
- Putnam County
- Randolph County
- Richland County
- Rock Island County
- Saline County
- Sangamon County
- Schuyler County
- Scott County
- Shelby County
- St. Clair County
- Stark County
- Stephenson County
- Tazewell County
- Union County
- Vermilion County
- Wabash County
- Warren County
- Washington County
- Wayne County
- White County
- Whiteside County
- Will County
- Williamson County
- Winnebago County
- Woodford County
Compare Lake County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.