Quincy
in Adams (Illinois)
Contents: City
The population development of Quincy as well as related information and services (weather, Wikipedia, Google, images).
| Name | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2022-07-01 | |
|---|---|---|---|---|---|---|---|
| Quincy | Adams | 40,719 | 40,783 | 40,717 | 39,473 | 38,942 | → |
Source: U.S. Census Bureau (web).
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 19,033 |
| Females | 20,430 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 8,585 |
| 18-64 years | 22,637 |
| 65+ years | 8,241 |
| Age Distribution (C 2020) | |
|---|---|
| 0-9 years | 4,730 |
| 10-19 years | 4,905 |
| 20-29 years | 5,024 |
| 30-39 years | 4,997 |
| 40-49 years | 4,244 |
| 50-59 years | 4,834 |
| 60-69 years | 4,749 |
| 70-79 years | 3,539 |
| 80+ years | 2,441 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 9 |
| Urban | 39,454 |
| »Race« (C 2020) | |
|---|---|
| White | 34,064 |
| Black/African American | 2,315 |
| Indigenous | 71 |
| Asian | 400 |
| Pacific Islander | 33 |
| Some other | 373 |
| 2 or more | 2,207 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 919 |
| Other | 38,544 |