County · Illinois

Lake County, Illinois

Lake County, Illinois has a quality-of-life score of 86 out of 100 (very high), ranking #456 of 3,143 US counties. Within Illinois it ranks #6 of 102 counties. It ranks best on suicide rate (low), average weekly wage (high) and frequent mental distress (low). It ranks worst on effective property tax rate (high), high ozone days (high) and time spent in the emergency room (high).

86Very high
Quality-of-life score
#456 of 3,143 counties
Illinois
#6 of 102 in IL
Population
719,339 (2025)
Land area
444 mi²
Density
1,621.3 /mi²
FIPS code
17097

Percentile-based score (100 is the best in the country) from 80 of 80 indicators, with the default “Explorer” weights.

Location of Lake County, Illinois

Scores by category

Each category averages its indicators' percentile scores among US counties.

  • Safety93#220/3,096
  • Economy87#394/3,143
  • Housing17#2,613/3,140
  • Health99#21/3,144
  • Healthcare93#233/3,143
  • Environment31#2,140/3,108
  • Education79#666/3,144
  • Infrastructure94#195/3,144
  • Community65#1,097/3,144
  • Leisure & amenities77#736/3,143

Strengths · Weaknesses

Indicators where Lake County, Illinois ranks highest and lowest among US counties (score = percentile, 100 = best).

Strengths

Weaknesses

What changed in five years

How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.

Counties like Lake County, Illinois five years ago that improved

The places whose measures looked most like those of Lake County, Illinois in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.

Who lives here

Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).

Income

How household income is spread, not just the middle: each bar is the share of households in that income range.

Homes

Who owns and who rents, what homes cost, and what the housing stock looks like.

Getting to work

How workers travel to their job and how long it takes them.

Jobs and pay

What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.

The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.

Pay in the Chicago-Naperville-Elgin, IL-IN

Local businesses

Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.

Federal contract spending

Federal grants & assistance

Grants, loans (counted at their subsidy cost), direct payments and insurance, by fiscal year of the action (USAspending.gov, FABS). Reported apart from contracts and never added to them.

Public money & outcomes

Federal money per resident by fiscal year next to how the place changed, and, when its money jumped, how it compares with similar counties. A comparison, not cause and effect.

Representation in Congress

Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.

Metro area

The metro or micro area Lake County belongs to. A county is in at most one.

Cities and towns in Lake County

Places whose residents live mostly in Lake County, largest first.

  1. Waukegan89,076
  2. Buffalo Grove42,891
  3. Mundelein31,915
  4. North Chicago30,643
  5. Gurnee30,510
  6. Highland Park30,398
  7. Round Lake Beach27,079
  8. Vernon Hills26,876
  9. Zion24,600
  10. Grayslake20,929
  11. Libertyville20,525
  12. Lake Zurich19,832
  13. Deerfield19,518
  14. Lake Forest19,416
  15. Round Lake18,628
  16. Antioch14,859
  17. Lindenhurst14,417
  18. Beach Park14,115
  19. Wauconda14,027
  20. Fox Lake11,131
  21. Gages Lake10,819
  22. Hawthorn Woods9,143
  23. Lake Villa8,683
  24. Long Grove8,305

Neighboring counties

Places that share a border, best score first.

Similar counties

Closest indicator profiles across the country (no model: score distances).

Data and sources

Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.

JSON · /api/v1/places/17097