Davis vs Rock City

A side-by-side comparison of Davis and Rock City: population, income, housing, and more.

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

Davis has the higher population (425 vs 378 in Rock City). Rock City has the higher median household income ($70,000 vs $64,107 in Davis). Davis has the higher median home value ($150,000 vs $124,000 in Rock City).

Population, income & housing

	Davis	Rock City
Population	425	378
Median age	47.9 yrs	32.2 yrs
Median household income	$64,107	$70,000
Median home value	$150,000	$124,000
Median gross rent	$918	$845
Housing units	207	134
Homeownership rate	80.8%	79.2%
Bachelor's degree or higher	15.5%	12.9%
Unemployment rate	3.0%	3.7%

Trends (ACS 5-year, 2019–2023)

	Davis	Rock City
Population	551 → 425 (-22.9%)	323 → 378 (+17.0%)
Median household income	$53,068 → $64,107 (+20.8%)	$55,000 → $70,000 (+27.3%)
Median home value	$105,500 → $150,000 (+42.2%)	$99,100 → $124,000 (+25.1%)
Median gross rent	$850 → $918 (+8.0%)	$725 → $845 (+16.6%)

Davis

Population

551425

Median household income

$53,068$64,107

Median home value

$105,500$150,000

Median gross rent

$850$918

Rock City

Population

323378

Median household income

$55,000$70,000

Median home value

$99,100$124,000

Median gross rent

$725$845

Age & race/ethnicity

Age distribution (share)

	Davis	Rock City
Under 5	7.5%	3.4%
5 to 17	12.9%	29.9%
18 to 24	6.8%	11.4%
25 to 34	11.5%	6.9%
35 to 44	9.2%	12.2%
45 to 54	10.8%	11.6%
55 to 64	19.5%	11.1%
65 to 74	12.2%	8.5%
75 and over	9.4%	5.0%

Race & ethnicity (share)

	Davis	Rock City
White (non-Hispanic)	92.0%	74.9%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.2%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	3.3%	2.4%
Hispanic or Latino	3.5%	22.8%

Educational attainment (age 25+)

Share of adults 25+

	Davis	Rock City
No high school diploma	8.4%	6.2%
High school graduate	33.7%	39.7%
Some college or associate's	42.4%	41.1%
Bachelor's degree	10.7%	8.1%
Graduate or professional degree	4.9%	4.8%

Commute to work

How workers get to work (share)

	Davis	Rock City
Drove alone	75.1%	78.5%
Carpooled	2.7%	12.7%
Public transit	0.0%	0.0%
Walked	1.8%	2.2%
Bicycle	0.0%	0.0%
Worked from home	16.7%	6.1%
Other means	3.6%	0.6%

Housing

Units in structure (share)

	Davis	Rock City
1-unit, detached	94.2%	82.8%
1-unit, attached	0.0%	0.0%
2 to 4 units	2.9%	6.7%
5 to 19 units	1.0%	7.5%
20 or more units	0.0%	0.0%
Mobile home & other	1.9%	3.0%

Poverty & households

	Davis	Rock City
Poverty rate	3.1%	4.5%
Average household size	2.20	2.91
Mean commute (minutes)	26	30
Median year structure built	1952	1957