McHenry County, Illinois ZIP codes
20 ZIP codes are in McHenry County, plus 6 that cross in from neighboring counties. It's part of the Chicago-Naperville-Elgin, IL-IN metro area.
- ZIP codes
- 20
- Population in these ZIPs
- 328,030
- Avg. median income
- $106,100population-weighted
- Cities & towns
- 17
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in McHenry County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 60001 PO Box | Alden | — | — | — |
| 60012 | Crystal Lake | 12,368 | $159,375 | $486,400 |
| 60013 | Cary | 26,694 | $120,604 | $382,600 |
| 60014 | Crystal Lake | 48,590 | $109,016 | $368,100 |
| 60021 | Fox River Grove | 4,996 | $119,176 | $362,100 |
| 60033 | Harvard | 12,999 | $68,633 | $279,300 |
| 60034 | Hebron | 2,033 | $87,188 | $324,100 |
| 60039 PO Box | Crystal Lake | — | — | — |
| 60050 | Mchenry | 31,781 | $88,812 | $313,500 |
| 60051 | Mchenry | 24,621 | $100,762 | $332,500 |
| 60071 | Richmond | 3,851 | $74,426 | $393,900 |
| 60072 | Ringwood | 870 | $119,375 | $505,700 |
| 60081 | Spring Grove | 9,088 | $116,706 | $425,400 |
| 60097 | Wonder Lake | 11,983 | $93,397 | $294,100 |
| 60098 | Woodstock | 33,130 | $91,062 | $341,600 |
| 60102 | Algonquin | 32,286 | $132,949 | $415,400 |
| 60142 | Huntley | 29,692 | $89,735 | $428,000 |
| 60152 | Marengo | 12,417 | $98,451 | $365,700 |
| 60156 | Lake In The Hills | 28,800 | $117,151 | $377,900 |
| 60180 | Union | 1,831 | $110,070 | $432,800 |
ZIP codes partly in McHenry County
These ZIP codes are mostly in a neighboring county but cover part of McHenry County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 60010 | Barrington | Cook County | 45,747 | $177,566 | $732,000 |
| 60020 | Fox Lake | Lake County | 10,970 | $73,949 | $267,400 |
| 60042 | Island Lake | Lake County | 8,347 | $99,917 | $307,100 |
| 60135 | Genoa | DeKalb County | 7,274 | $98,033 | $310,700 |
| 60140 | Hampshire | Kane County | 22,689 | $111,241 | $397,500 |
| 61038 | Garden Prairie | Boone County | 1,274 | $104,875 | $331,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in McHenry County
Nearby counties
Frequently asked questions
How many ZIP codes are in McHenry County, Illinois?
20 ZIP codes are mainly in McHenry County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in McHenry County?
ZIP codes in McHenry County use the city names Alden, Algonquin, Cary, Crystal Lake, Fox River Grove, Harvard, Hebron, Huntley, Lake In The Hills, Marengo, Mchenry and Richmond and others.
What metro area is McHenry County in?
McHenry County is part of the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area.