Algonquin is a village in McHenry County, Illinois, home to about 30,067 people across 12 square miles. Its ZIP code is 60102.
Homes sold for a median of $206 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Algonquin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Algonquin’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Algonquin well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)24 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL39 miles away |
Straight-line distances from the center of Algonquin; 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.
Algonquin had 29,700 residents in the 2020 census, up 28% since 2000.
It’s the 65th 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 39.9 inches of rain and melted snow fall in a typical year, with about 32 inches of snow.
Source: NOAA 1991–2020 climate normals, Elgin, IL weather station (7 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).
349 doctors and other health care providers list an office in Algonquin.
Nearest hospitals
Providers with an office here
| Primary care doctors | 34 |
|---|---|
| Specialist doctors | 23 |
| Dentists | 25 |
| Nurse practitioners and physician assistants | 65 |
| Mental health providers | 96 |
| Physical and occupational therapists | 78 |
| Optometrists | 12 |
| Chiropractors | 16 |
| Pharmacies | 7 |
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 (32 nearby)
Grocery stores (9 nearby)
Pharmacies (6 nearby)
Libraries (2 nearby)
Museums
Theaters and performance venues
Counts are within about 2.5 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 1890.
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 CUSD 300, Huntley Comm Sch Dist 158, Kane ROE and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Eastview Elem SchoolAlgonquin | Pre-K–5 | 401 | Public | 1.3 mi |
| Westfield Community SchoolAlgonquin | Pre-K–8 | 1,287 | Public | 1.5 mi |
| Algonquin Lakes Elem SchAlgonquin | K–5 | 408 | Public | 2.0 mi |
| Kenneth E Neubert Elem SchoolAlgonquin | K–5 | 445 | Public | 0.4 mi |
| Mackeben Elementary SchoolAlgonquin | K–2 | 522 | Public | 3.6 mi |
| Conley Elementary SchoolAlgonquin | 3–5 | 598 | Public | 3.7 mi |
| Success Academy 4-5Algonquin | 4–5 | — | Alternative Education | 1.8 mi |
| Algonquin Middle SchoolAlgonquin | 6–8 | 370 | Public | 1.3 mi |
| Heineman Middle SchoolAlgonquin | 6–8 | 724 | Public | 3.6 mi |
| Harry D Jacobs High SchoolAlgonquin | 9–12 | 2,056 | Public | 1.8 mi |
| NIA-D/HH MS PrgrmAlgonquin | — | — | Special Education | 1.6 mi |
| NIA-D/HH PK-Elem PrgrmAlgonquin | — | — | Special Education | 1.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Primrose School of AlgonquinAlgonquin | Pre-K–K | 10 | Nonsectarian | 1.5 mi |
| St Margaret Mary Catholic SchoolAlgonquin | Pre-K–8 | 166 | Roman Catholic | 1.0 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.
Buying or selling around Algonquin? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
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.