United States › Illinois › Rock City CITY · 2000 CENSUS
Rock City Illinois · 313 residents · 0.14 sq mi
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The short version
Rock City is a city of 313 people in Illinois. 7% of adults hold a bachelor's degree, below the 24% national rate. Owners hold 83% of the housing stock. Median rent is $283 a month. Poverty is uncommon here, at 4.7% of people here. Home values have risen by half since 1990, reaching $79,300.
At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 33.5
US median: 35.2
Less educated
7% hold a bachelor's degree
US average: 24%
Less affordable
home values up 32%, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 32.0 in 1990
US average: 35.2
Population, 1990 – 2024
267 315 362 409 457 1990 2000 2010 2020 2024 Rock City Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $46,250
+31%inflation adjusted, since 1990
from $26,875 in 1990
US average: $42,589
from $12,064 in 1990
US average: $21,522
from 8.1% in 1990
US average: 12.4%
$79,300
+32%inflation adjusted, since 1990
from $45,500 in 1990
US average: $120,530
$283
−22%inflation adjusted, since 1990
from $275 in 1990
US average: $602
from 89.2% in 1990
16.7% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 97.9%(277)
2000
White, non-Hispanic 99.7%(312)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
from 8.2% in 1990
US average: 24.4%
High school or higher
from 70.9% in 1990
US average: 80.3%
from 0.0% in 1990
US average: 8.8%
Section 06
Commute & transportation from 27.9 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 11.8% in 2013
US average: 8.4%
from 59.6% in 2020
US average: 54.8%
Direct-purchase
from 11.3% in 2020
US average: 13.8%
from 14.4% in 2020
US average: 18.4%
from 18.1% in 2020
US average: 20.9%
VA health care
from 2.8% in 2020
US average: 2.2%
Any private
from 72.9% in 2020
US average: 67.1%
Any public
from 32.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 25%(2)
Share of the 8 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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ROCK CITY VS
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Frequently asked
How many people live in Rock City, Illinois? Rock City, Illinois has about 313 residents according to the 2000 Census.
What is the median household income in Rock City, Illinois? The typical household in Rock City, Illinois earns about $46,250 a year. Half of households make more than that, and half make less.
Is Rock City, Illinois expensive? In Rock City, Illinois, the median home is worth about $79,300, and the typical rent is about $283 a month.
How educated are people in Rock City, Illinois? About 6.5% of adults age 25 and over in Rock City, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Rock City, Illinois? About 4.7% of people in Rock City, Illinois live below the federal poverty line.
Has Rock City, Illinois grown since 1990? Yes, Rock City, Illinois has grown since 1990. The population has added about 30 residents, a change of about 11 percent over that period.
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