Crystal Lake is a city in McHenry County, Illinois, home to about 40,579 people across 19 square miles. Its ZIP codes are 60012 and 60014, and parts of 60098 and 60156 are in Crystal Lake too.
Homes sold for a median of $195 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Crystal Lake; also Prairie Grove and Ridgefield
Mostly Crystal Lake; also Lakewood (McHenry County) and Burtons Bridge
Mostly Woodstock; part is in Crystal Lake
Mostly Lake in the Hills; part is in Crystal Lake
Each card is that ZIP code’s whole market, including any part outside Crystal Lake. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Crystal Lake’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)29 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL44 miles away |
Straight-line distances from the center of Crystal Lake; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Crystal Lake had 40,269 residents in the 2020 census, up 6% since 2000.
It’s the 39th largest of 1,450 towns in Illinois by population.
McHenry County grew from 29,759 residents in 1900 to 310,229 in 2020.
McHenry County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 14°F. About 39.4 inches of rain and melted snow fall in a typical year, with about 35 inches of snow.
Source: NOAA 1991–2020 climate normals, Crystal Lake 4nw, IL weather station (3 miles away).
87,684 jobs at 8,140 businesses in McHenry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
907 doctors and other health care providers list an office in Crystal Lake’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 56 |
|---|---|
| Specialist doctors | 86 |
| Dentists | 71 |
| Nurse practitioners and physician assistants | 114 |
| Mental health providers | 347 |
| Physical and occupational therapists | 173 |
| Optometrists | 20 |
| Chiropractors | 40 |
| Pharmacies | 14 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (37 nearby)
Grocery stores (5 nearby)
Pharmacies (5 nearby)
Libraries (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1914.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Crystal Lake CCSD 47, Prairie Grove CSD 46, Chsd 155. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Glacier Ridge Elementary SchoolCrystal Lake | Pre-K–5 | 360 | Public | 3.5 mi |
| Glacier Ridge PrekCrystal Lake | Pre-K | — | Public | 3.5 mi |
| Indian Prairie Elem SchoolCrystal Lake | Pre-K–5 | 496 | Public | 3.4 mi |
| Prairie Grove Elem SchoolCrystal Lake | Pre-K–4 | 552 | Public | 4.0 mi |
| Canterbury Elem SchoolCrystal Lake | K–5 | 486 | Public | 1.9 mi |
| Coventry Elem SchoolCrystal Lake | K–5 | 629 | Public | 1.7 mi |
| Husmann Elem SchoolCrystal Lake | K–5 | 518 | Public | 0.6 mi |
| North Elem SchoolCrystal Lake | K–5 | 638 | Public | 0.3 mi |
| South Elem SchoolCrystal Lake | K–5 | 390 | Public | 1.0 mi |
| West Elem SchoolCrystal Lake | K–5 | 520 | Public | 2.0 mi |
| Woods Creek Elementary SchoolCrystal Lake | K–5 | 489 | Public | 3.1 mi |
| Prairie Grove Junior High SchoolCrystal Lake | 5–8 | 357 | Public | 3.9 mi |
| Hannah Beardsley Middle SchoolCrystal Lake | 6–8 | 829 | Public | 1.8 mi |
| Lundahl Middle SchoolCrystal Lake | 6–8 | 797 | Public | 1.2 mi |
| Richard F Bernotas Middle SchCrystal Lake | 6–8 | 737 | Public | 0.4 mi |
| Crystal Lake Central High SchoolCrystal Lake | 9–12 | 1,443 | Public | 0.7 mi |
| Crystal Lake South High SchoolCrystal Lake | 9–12 | 1,279 | Public | 2.1 mi |
| Haber Oaks CampusCrystal Lake | 9–12 | — | Alternative Education | 2.1 mi |
| Prairie Ridge High SchoolCrystal Lake | 9–12 | 1,133 | Public | 2.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Immanuel Lutheran SchoolCrystal Lake | Pre-K–8 | 232 | Lutheran Church–Missouri Synod | 1.0 mi |
| Lord & Savior Lutheran School & PreschoolCrystal Lake | Pre-K–3 | 8 | Wisconsin Evangelical Lutheran Synod | 2.9 mi |
| Montessori Pathways SchoolCrystal Lake | Pre-K–6 | 22 | Nonsectarian | 1.2 mi |
| St Thomas the Apostle SchoolCrystal Lake | Pre-K–8 | 164 | Roman Catholic | 0.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Lake in the Hills, Woodstock, Lakewood (McHenry County), Prairie Grove, Bull Valley, Greenwood, Ridgefield, Hartland, Burtons Bridge and Franklinville.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.