Home Insurance in Algonquin, Illinois
The median home value in Algonquin is $351,000, 14% higher than the McHenry County median.
The typical home in Algonquin was built around 1994. About 8% of homes were built before 1960, about 10 points below McHenry County's 18%. Older homes can cost more to insure or rebuild because of aging wiring, roofing and plumbing.
The housing stock in Algonquin is 92% single-family homes and 6% apartments in buildings with 5+ units.
About 75% of owner-occupied homes in Algonquin have a mortgage. Lenders require hazard (homeowners) insurance on any home carrying a mortgage.
Algonquin has an owner-occupancy rate of 88% and a vacancy rate of 2%; unoccupied homes typically need a different coverage form.
Most homes in Algonquin - 94% - are primarily heated with natural gas.
McHenry County had 789 active NFIP flood policies as of September 2026. Its top FEMA-rated hazard is tornado (Relatively High). See the full McHenry County home insurance overview for all FEMA hazard ratings and flood coverage details.
The statewide average premium for a standard HO-3 homeowners policy in Illinois is $1,480 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $351,000 |
|---|---|
| Median year built | 1994 |
| Owner-occupied share | 88% |
| Share of owner-occupied homes with a mortgage | 75% |
| Top county hazard | Tornado (Relatively High) |
| Active NFIP policies in McHenry County | 789 |
| Home insurance premium | $1,480 - statewide average (NAIC, 2023 data) |
Nearby towns
Sources
Data last updated: 2026-09-29
- U.S. Census Bureau Gazetteer Files (2024)
- U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (2024)
- FEMA National Risk Index (December 2025)
- FEMA OpenFEMA NFIP Redacted Policies v3 (2026)
- NAIC Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance: Data for 2023 (published 2026) (2023)