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3000 Maine St Thomas S Baldwin Elementary School, Quincy, IL 62301
330 Vermont St Ste 100, Quincy, IL 62301-2700
4409 Maine St Ste 100, Quincy, IL 62305-5849
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Phone numbers with the Quincy rate center prefixes:
Local Time
06:18 PM
Date
Sunday, July 06, 2025
Time Zone
CDT
Quincy has a population of 40111 people. Sex ratio is 92.10 males per 100 females.
The median age in Quincy is 34.8 years.
| Age Groups | Population |
|---|---|
| Under 5 years | 2604 |
| 5 to 9 years | 2326 |
| 10 to 14 years | 2333 |
| 15 to 19 years | 2226 |
| 20 to 24 years | 2562 |
| 25 to 29 years | 2893 |
| 30 to 34 years | 2608 |
| 35 to 39 years | 2374 |
| 40 to 44 years | 2145 |
| 45 to 49 years | 2094 |
| 50 to 54 years | 2429 |
| 55 to 59 years | 2844 |
| 60 to 64 years | 2352 |
| 65 to 69 years | 2262 |
| 70 to 74 years | 1921 |
| 75 to 79 years | 1601 |
| 80 to 84 years | 983 |
| 85 years and over | 1554 |
| Racial/Ethnic Groups | Percent |
|---|---|
| White | 34064 |
| Black or African American | 2315 |
| American Indian and Alaska Native | 71 |
| Native Hawaiian and Other Pacific Islander | 33 |
| Some Other Race | 373 |
| Two or more races | 2207 |
