County

McHenry County, IL

20 ZIP codes  ·  17 cities  ·  Illinois

👥326,677Population
💰$103,815Median HH Income▲ 36% above avg
🎂41.5Median Age
🏠$285,957Median Home Value≈ Avg
🎓46.3%College Grads▲ 19% above avg
📊4.6%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.2% Female 49.8% ♀

Race & Ethnicity

White: 77.3%Hispanic: 15.2%Black: 1.5%Asian: 3.3%Other: 2.8%Race
White77.3%
Hispanic15.2%
Black1.5%
Asian3.3%
Other2.8%

Age Breakdown

Under 5
5%
5–17
17%
18–24
8%
25–44
24%
45–64
28%
65+
8%

Key Indicators

Median Age41.5 yrs
Avg HH Size2.64
Below Poverty6.3% ▼ 37% below avg
College Grads46.3% ▲ 19% above avg
Unemployment4.6% ≈ Avg
No HS Diploma2,130 (1%)
HS Graduate56,328 (26%)
Some College25,543 (11.8%)
Associates32,212 (14.9%)
Bachelors21,135 (9.8%)
Graduate Degree79,089 (36.5%)

Education

No HS: 1%HS Grad: 26%Some College: 11.8%Associates: 14.9%Bachelors: 9.8%Graduate: 36.5%Edu
No HS1.0%
HS Grad26.0%
Some College11.8%
Associates14.9%
Bachelors9.8%
Graduate36.5%
Housing & Income

Housing Tenure

Owner: 82.7%Renter: 17.3%Tenure
Owner82.7%
Renter17.3%

Home Value Distribution

Under $50k
2%
$50k–$100k
1%
$100k–$150k
5%
$150k–$200k
12%
$200k–$300k
33%
$300k–$500k
39%
Over $500k
7%

Financials

Median HH Income$103,815 ▲ 36% above avg
Median Home Value$285,957 ≈ Avg
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$1,490/mo
Total Housing Units128,611
Vacant Units4,774

Income Distribution

Under $25k
9%
$25k–$50k
11%
$50k–$75k
14%
$75k–$100k
14%
$100k–$150k
22%
$150k–$200k
14%
Over $200k
17%
Employment & Commute

How People Get to Work

Drove Alone
81%
Public Transit
2%
Walked
1%
Work From Home
16%

Commute Time

Under 15 min
24%
15–30 min
29%
30–45 min
20%
Over 45 min
27%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
7%
1960s–1970s
13%
1980s–1990s
25%
2000+
54%
About McHenry County, IL

McHenry County is located in Illinois and encompasses 20 ZIP codes spanning 17 cities and communities. The county has an estimated population of 326,677 residents. With a median age of 41.47, it is a middle-aged county.

McHenry County has a upper-middle-income economic profile. The median household income of $103,814 is above the national average. Unemployment stands at 4.6%, near the national average. The poverty rate of 6.3% is well below the national average.

Housing in McHenry County is a mid-range housing market, with a median home value of $285,957 — near the national average. Monthly median rent is approximately $1,489. Homeownership rates are high at 82.7%, reflecting a largely residential, stable population.

The residents of McHenry County are primarily White (77.26%). Educational attainment is well-educated — 46.3% of adults hold a bachelor's degree or higher, above the national average.

McHenry County, IL is a upper-middle-income area in Illinois. The 20 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in McHenry County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
60102 Algonquin 32,303 $128,070 $320,600 $1,826 4.5% 56.1%
60013 Cary 26,503 $115,833 $291,000 $1,489 4.8% 53.8%
60012 Crystal Lake 11,929 $147,352 $397,100 $2,162 4.5% 62.7%
60014 Crystal Lake 48,383 $104,657 $296,100 $1,429 4.5% 51.7%
60021 Fox River Grove 5,108 $122,005 $286,400 $2,134 7.7% 56.0%
60033 Harvard 13,333 $72,298 $198,700 $1,192 5.1% 30.1%
60034 Hebron 2,175 $96,705 $254,100 $1,025 1.6% 29.5%
60142 Huntley 29,452 $87,286 $324,300 $1,377 3.2% 48.3%
60156 Lake In The Hills 28,853 $113,491 $296,400 $1,634 6.2% 49.0%
60152 Marengo 12,006 $94,209 $259,200 $1,090 6.6% 35.8%
60050 Mchenry 31,870 $86,315 $244,500 $1,522 3.0% 35.5%
60051 Mchenry 23,931 $104,227 $268,000 $1,665 4.1% 43.3%
60071 Richmond 3,946 $77,593 $289,800 $1,189 7.1% 37.8%
60072 Ringwood 888 $153,542 $390,200 $1,021 2.9% 47.8%
60081 Spring Grove 9,117 $116,278 $332,800 $1,204 8.6% 44.7%
60180 Union 2,092 $110,703 $290,300 $1,748 4.6% 25.8%
60097 Wonder Lake 11,481 $90,865 $215,700 $1,369 3.9% 28.3%
60098 Woodstock 33,307 $92,749 $257,900 $1,178 4.2% 44.0%