| Place Name | Alden |
| Place Type | Census Designated Place |
| ZIP Code(s) | 60033 |
| County | Mchenry County |
| Area Code(s) | 815,779 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 167 |
| Majority Ethnicity | White 51.65% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 14th |
| State House Districts | 63 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 51.65% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 48.35% |