Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/IL/COUNTY/MCHENRY

McHenry County, IL ZIP codes

There are 20 ZIP codes in McHenry County, IL, in 17 towns, from 60001 to 60180. The largest are 60014 (Crystal Lake), 60102 (Algonquin) and 60050 (Mchenry).

The county seat is Woodstock.

ZIP codes
20
Towns
17
County seat
Woodstock
County FIPS
17111
Population
312,591
Median household income
$104,802
Land area
603 sq mi
Area codes
224, 779, 815, 847

McHenry County ZIP codes by town

Woodstock (county seat)
60098

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of McHenry County ZIP codes

6000160012600136001460021600336003460039600506005160071600726008160097600986010260142601526015660180

The ZIP codes of McHenry County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

McHenry County in numbers

About 312,591 people live in McHenry County, in 117,594 households, the 6th most populous of Illinois's 102 counties. The median household income is $104,802 a year, 26% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $308,100 (17% above the Illinois median), and median gross rent is $1,401 a month. The median age is 40.7; 35.2% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 30 minutes.

Population312,591McHenry312,591
Households117,594McHenry117,594
Median age40.7McHenry40.7Illinois39.0US 38.9
Median household income$104,802McHenry$104,802Illinois$83,390US $80,734
Median home value$308,100McHenry$308,100Illinois$263,300US $332,700
Median gross rent$1,401McHenry$1,401Illinois$1,274US $1,413
Bachelor's degree or higher35.2%McHenry35.2%Illinois37.8%US 35.7%
Mean commute30.1 minMcHenry30.1 minIllinois27.8 minUS 26.4 min
Population density518 / sq miMcHenry518 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in McHenry County

Largest towns in McHenry County
TownZIP codesPopulation
Crystal Lake 3 40,579
Algonquin 1 30,067
Lake In The Hills 1 28,800
Mchenry 2 28,074
Huntley 1 28,005
Woodstock 1 26,147
Cary 1 17,923
Harvard 1 9,598
Marengo 1 7,040
Spring Grove 1 5,917
Fox River Grove 1 4,523
Wonder Lake 1 4,292
Richmond 1 2,622
Hebron 1 1,261
Ringwood 1 730

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with McHenry County.

Not sure you are in McHenry County? What county am I in? answers from your location, near a county line included.

Every ZIP code in McHenry County, with figures

ZIP codes in McHenry County
ZIP City Type Population Median income Median home
60001 Alden , IL No street area — — —
60012 Crystal Lake , IL Standard 12,368 $159,375 $417,300
60013 Cary , IL Standard 26,694 $120,604 $314,400
60014 Crystal Lake , IL Standard 48,590 $109,016 $323,800
60021 Fox River Grove , IL Standard 4,996 $119,176 $292,800
60033 Harvard , IL Standard 12,999 $68,633 $203,300
60034 Hebron , IL Standard 2,033 $87,188 $254,200
60039 Crystal Lake , IL No street area — — —
60050 Mchenry , IL Standard 31,781 $88,812 $263,700
60051 Mchenry , IL Standard 24,621 $100,762 $278,400
60071 Richmond , IL Standard 3,851 $74,426 $331,400
60072 Ringwood , IL Standard 870 $119,375 $413,900
60081 Spring Grove , IL Standard 9,088 $116,706 $355,300
60097 Wonder Lake , IL Standard 11,983 $93,397 $229,700
60098 Woodstock , IL Standard 33,130 $91,062 $276,900
60102 Algonquin , IL Standard 32,286 $132,949 $349,900
60142 Huntley , IL Standard 29,692 $89,735 $339,900
60152 Marengo , IL Standard 12,417 $98,451 $300,200
60156 Lake In The Hills , IL Standard 28,800 $117,151 $321,900
60180 Union , IL Standard 1,831 $110,070 $349,100

Cite this page

zipcodes.pro. “McHenry County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/il/county/mchenry

Underlying data is public domain or openly licensed — sources, vintages and licences.