Lake County, IL Demographics & ZIP Codes
Lake County, Illinois demographics and median household income by ZIP code — 28 ZIP codes — population 699,898 — avg. income $114,820 — avg. home value $361,188. Compare income, housing, and ZIP-level data on US5.
Lake County demographics
Lake County, Illinois covers 28 ZIP codes, with a combined ZIP-area population of about 699,898.
Median household income in Lake County
The average median household income across ZIP codes in Lake County, Illinois is about $114,820 — about 47% above the IL ZIP average ($78,143), and about 53% above the U.S. median ($75,149).
Among ZIPs with income data, 60045 (Lake Forest) is near the top at about $225,551, while 60064 (North Chicago) is near the bottom at about $49,256.
Housing in Lake County
For housing in Lake County, Illinois, the average median home value is about $361,188 and the average median rent is about $1,467.
The most populous ZIP is 60085 (Waukegan) with about 72,763 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Lake County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 60085 | Waukegan | Lake County | IL | 72,763 | $64,330 | $164,800 |
| 60073 | Round Lake | Lake County | IL | 62,000 | $95,457 | $215,200 |
| 60047 | Long Grove | Lake County | IL | 44,100 | $173,043 | $510,000 |
| 60089 | Buffalo Grove | Lake County | IL | 42,781 | $129,932 | $393,000 |
| 60031 | Gurnee | Lake County | IL | 37,208 | $114,008 | $322,300 |
| 60060 | Mundelein | Lake County | IL | 37,146 | $110,463 | $299,200 |
| 60030 | Grayslake | Lake County | IL | 35,579 | $104,920 | $276,800 |
| 60046 | Lake Villa | Lake County | IL | 34,708 | $122,376 | $282,500 |
| 60099 | Zion | Lake County | IL | 30,485 | $65,647 | $190,300 |
| 60035 | Highland Park | Lake County | IL | 30,236 | $161,811 | $594,600 |
| 60048 | Libertyville | Lake County | IL | 28,945 | $169,283 | $535,100 |
| 60061 | Vernon Hills | Lake County | IL | 27,883 | $121,588 | $390,300 |
| 60015 | Deerfield | Lake County | IL | 27,720 | $186,786 | $602,700 |
| 60087 | Waukegan | Lake County | IL | 27,428 | $79,162 | $185,800 |
| 60002 | Antioch | Lake County | IL | 24,396 | $109,047 | $287,800 |
| 60045 | Lake Forest | Lake County | IL | 20,957 | $225,551 | $899,200 |
| 60084 | Wauconda | Lake County | IL | 17,267 | $104,907 | $283,300 |
| 60064 | North Chicago | Lake County | IL | 15,047 | $49,256 | $139,900 |
| 60088 | North Chicago | Lake County | IL | 14,269 | $62,557 | — |
| 60020 | Fox Lake | Lake County | IL | 10,846 | $71,028 | $215,700 |
| 60044 | Lake Bluff | Lake County | IL | 10,289 | $127,546 | $568,500 |
| 60083 | Old Mill Creek | Lake County | IL | 9,655 | $111,912 | $286,400 |
| 60041 | Fox Lake | Lake County | IL | 8,920 | $91,569 | $241,100 |
| 60069 | Lincolnshire | Lake County | IL | 8,728 | $157,366 | $569,900 |
| 60042 | Island Lake | Lake County | IL | 8,630 | $94,613 | $244,000 |
| 60096 | Winthrop Harbor | Lake County | IL | 6,626 | $94,115 | $238,000 |
| 60040 | Highwood | Lake County | IL | 5,243 | $101,862 | $454,500 |
| 60075 | — | Lake County | IL | 43 | — | — |
Frequently asked questions
What are the demographics of Lake County?
Lake County, Illinois has a combined ZIP-area population of about 699,898 across 28 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Lake County?
The average median household income across ZIP codes in Lake County, Illinois is about $114,820, about 47% above the state ZIP average ($78,143), and about 53% above the U.S. median ($75,149). Average median home value is about $361,188. Among ZIPs with data, 60045 (Lake Forest) is near the top ($225,551) and 60064 (North Chicago) is near the bottom ($49,256).
How many ZIP codes are in Lake County?
Lake County, Illinois includes 28 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Lake County?
This page lists ZIP codes in Lake County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.