Clayton vs Quincy

A side-by-side comparison of Clayton and Quincy: population, income, housing, and more.

Clayton and Quincy are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Quincy has the higher population (39,188 vs 597 in Clayton). Clayton has the higher median household income ($63,438 vs $56,372 in Quincy). Quincy has the higher median home value ($146,100 vs $90,000 in Clayton).

Population, income & housing

	Clayton	Quincy
Population	597	39,188
Median age	49.8 yrs	40.1 yrs
Median household income	$63,438	$56,372
Median home value	$90,000	$146,100
Median gross rent	$578	$824
Housing units	321	19,026
Homeownership rate	73.4%	64.8%
Bachelor's degree or higher	5.5%	26.6%
Unemployment rate	5.0%	4.2%

Trends (ACS 5-year, 2019–2023)

	Clayton	Quincy
Population	582 → 597 (+2.6%)	40,280 → 39,188 (-2.7%)
Median household income	$36,458 → $63,438 (+74.0%)	$46,189 → $56,372 (+22.0%)
Median home value	$67,300 → $90,000 (+33.7%)	$116,300 → $146,100 (+25.6%)
Median gross rent	$403 → $578 (+43.4%)	$710 → $824 (+16.1%)

Clayton

Population

582597

Median household income

$36,458$63,438

Median home value

$67,300$90,000

Median gross rent

$403$578

Quincy

Population

40,28039,188

Median household income

$46,189$56,372

Median home value

$116,300$146,100

Median gross rent

$710$824

Age & race/ethnicity

Age distribution (share)

	Clayton	Quincy
Under 5	1.5%	5.8%
5 to 17	8.0%	15.8%
18 to 24	8.9%	8.9%
25 to 34	14.4%	13.2%
35 to 44	10.7%	12.6%
45 to 54	16.4%	10.8%
55 to 64	15.9%	12.9%
65 to 74	16.8%	10.3%
75 and over	7.4%	9.6%

Race & ethnicity (share)

	Clayton	Quincy
White (non-Hispanic)	86.8%	86.3%
Black or African American	10.6%	5.2%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	1.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.2%
Two or more races	1.5%	4.9%
Hispanic or Latino	1.2%	2.4%

Educational attainment (age 25+)

Share of adults 25+

	Clayton	Quincy
No high school diploma	21.8%	7.7%
High school graduate	50.1%	34.0%
Some college or associate's	22.6%	31.6%
Bachelor's degree	4.5%	17.4%
Graduate or professional degree	1.0%	9.2%

Commute to work

How workers get to work (share)

	Clayton	Quincy
Drove alone	89.0%	77.8%
Carpooled	8.0%	9.1%
Public transit	0.8%	0.9%
Walked	0.0%	3.3%
Bicycle	0.0%	0.6%
Worked from home	0.8%	7.3%
Other means	1.5%	1.1%

Housing

Units in structure (share)

	Clayton	Quincy
1-unit, detached	78.8%	69.1%
1-unit, attached	0.0%	5.1%
2 to 4 units	16.8%	9.9%
5 to 19 units	0.0%	8.0%
20 or more units	0.0%	5.9%
Mobile home & other	4.4%	2.0%

Poverty & households

	Clayton	Quincy
Poverty rate	11.5%	15.4%
Average household size	1.95	2.16
Mean commute (minutes)	26	14
Median year structure built	1964	1959