Census place · GEOID 1700685 · McHenry County
Algonquin, IL ZIP codes
2 ZIP/ZCTAs intersecting this Census place in McHenry County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Algonquin (GEOID 1700685). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 58,806 (2 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Algonquin, IL

ZIP/ZCTA overlap with Algonquin
Population overlap
Share of each ZIP/ZCTA’s population located within Algonquin, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Algonquin
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60013 | Cary | McHenry County | 26,503 | $115,833 |
| 60102 | Algonquin | McHenry County | 32,303 | $128,070 |
USPS associates these ZIPs with Algonquin
These codes list Algonquin as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60156 | Lake In The Hills | McHenry County | 28,853 | $113,491 |