Rock, IL demographics:
population, income, and more

Total population
86
-1.1% year-over-year change
Median household income
$63,780/yr
-1.8% year-over-year change
Housing units
53
3.9% year-over-year change

Rock population

How many people live in Rock

Rock is home to 86 residents, according to the most recent Census data. Gender-wise, 53.5% of Rock locals are male, and 46.5% are female.

Total population
86
-1.1% year-over-year change
Gender ratio
Male
53.5%
46
Female
46.5%
40
Value Percent YoY change
Male 46 53.5% 2.2%
Female 40 46.5% -2.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Rock is 58, with the population distributed as follows: about 9.3% are children under 15, then 11.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 15.1% of the population, while another 31.4% fall into the 45 to 64 bracket. Finally, around 32.6% are 65 or older.

Median age
58.1
Age breakdown
Under 15
9.3%
15 to 24
11.6%
25 to 44
15.1%
45 to 64
31.4%
Over 65
32.6%
Value Percent YoY change
Under 15 8 9.3% -20.0%
15 to 24 10 11.6% 11.1%
25 to 44 13 15.1% -18.8%
45 to 64 27 31.4% 0.0%
Over 65 28 32.6% 12.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

There’s also a share of 2.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 85 100% -1.2%
Racial breakdown
White
87.2%
Black or African American
7%
American Indian and Alaska Native
3.5%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.3%
Other
0%
Value Percent
White 75 87.2%
Black or African American 6 7%
American Indian and Alaska Native 3 3.5%
Two or more races 2 2.3%

Households in Rock

A peek inside Rock households

Rock has 34 households, with an average of 2 members in each. Of these, 64.7% are families, while the remaining 35.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
34
6.2% year-over-year change
Average people per household
2
Non-family households
12
Family households
22
Value Percent YoY change
Non-family households 12 35.3% 9.1%
Family households 22 64.7% 4.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Rock

The housing landscape of Rock

Rock's housing consists of 53 units, with 81.1% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 13.2% of the housing landscape.

Housing units
53
3.9% year-over-year change
Housing types
Value Percent
1 unit, detached 43 81.1%
2 units 2 3.8%
3 or 4 units 1 1.9%
Mobile home 7 13.2%
Homes built since 2020
% year-over-year change

The age of buildings in Rock

In Rock, the median construction year is 1975. About 26.4% of homes were built before the 1940s, with another 7.6% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 14 26.4% 40.0%
Built between 1940 and 1949 4 7.6% 33.3%
Built between 1950 and 1959 3 5.7% 50.0%
Built between 1960 and 1969 2 3.8% 0.0%
Built between 1970 and 1979 7 13.2% 0.0%
Built between 1980 and 1989 8 15.1% 0.0%
Built between 1990 and 1999 7 13.2% -22.2%
Built between 2000 and 2009 4 7.6% -33.3%
Built between 2010 and 2019 4 7.6% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Rock occupancy rates

Out of the 34 occupied housing units in Rock, 88.2% are owner-occupied, while 11.8% are lived in by tenants. Meanwhile, 35.8% of all homes on the local market sit vacant.

Occupied housing units
34
6.2% year-over-year change
Occupancy breakdown
Renter occupied
4
Owner occupied
30
Value Percent YoY
change
Renter occupied 4 11.8% 0.0%
Owner occupied 30 88.2% 7.1%
Unoccupied housing units
35.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Rock housing costs

Housing costs in Rock come to a median of $636 per month, while tenants specifically pay a median gross rent of $425.

Median housing costs per month
$636/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Rock
$425/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Rock

Rock education at a glance

About 42.7% of the population in Rock went to high school, while 21.3% pursued college studies. Another 14.7% earned an associate degree and 12% hold a bachelor’s. Meanwhile, 4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 5.3% 33.3%
High school diploma 32 42.7% 0.0%
College diploma 16 21.3% 6.7%
Associate degree 11 14.7% 0.0%
Bachelor's degree 9 12% 0.0%
Graduate degree 3 4% 0.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Rock

How much people earn in Rock

The average annual household income in Rock was $75,643 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.7% change from the previous year. At the same time, the median income stood at $63,780, reflecting a -1.8% shift over the same period.

Average household income in Rock
$75,643/year
-3.7% year-over-year change
Median household income in Rock
$63,780/year
-1.8% year-over-year change

Rock income by age

In Rock, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $103,393. Those with someone between 45 and 64 in charge, often well established professionally, earn $71,837 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $2,499, while those led by someone over 65, many of whom may be retired, have about $47,143 in earnings. Overall, 84.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $2,499 N/A
25 - 44 $103,393 2.0%
45 - 64 $71,837 3.8%
Over 65 $47,143 -7.5%
Above poverty level
69
Below poverty level
13
Value Percent YoY
change
Above poverty level 69 84.2% 1.5%
Below poverty level 13 15.8% -7.1%

Employment in Rock

Workforce and job types in Rock

75.9% of the working population are employed in professional or administrative positions, while 24.1% are in hands-on or service-based jobs. Also, 13.3% run their own businesses, 43.3% are employed by private companies, and 23.3% work in the public sector.

Workforce demographics

White collar
22
Blue collar
7
Value Percent YoY change
White collar 22 75.9% 4.8%
Blue collar 7 24.1% 0.0%
Employer type
Self employees
13.3%
Private companies
43.3%
Governmental workers
23.3%
Not for profit companies
20%
Value Percent YoY change
Self employees 4 13.3% 0.0%
Private companies 13 43.3% 0.0%
Governmental workers 7 23.3% 16.7%
Not for profit companies 6 20% 20.0%

Transportation in Rock

How people get around in Rock

Means of transportation
Value Percent YoY change
Car 25 100% 4.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Rock by zipcode?

Zipcode Population Number of households Median income Average income
62938 2,622 1,044 $63,780 $75,643

Explore more communities

FAQs about Rock demographics 

What is the total population of Rock?

Rock has a total population of 86 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.1% compared to a year ago.

What is the gender ratio in Rock?

The gender ratio in Rock is as follows:
  • 53.5% males (46 residents)
  • 46.5% females (40 residents)

What is the median age in Rock?

The median age in Rock is 58.1.

What is the age distribution of the population in Rock?

The age distribution in Rock is as follows:
  • Under 15: 9.3% (8 residents)
  • Ages 15-24: 11.6% (10 residents)
  • Ages 25-44: 15.1% (13 residents)
  • Ages 45-64: 31.4% (27 residents)
  • Over 65: 32.6% (28 residents)

What is the racial and ethnic makeup of Rock?

The racial and ethnic makeup of Rock is as follows:
  • White: 87.2% (75 residents)
  • Black or African American: 7% (6 residents)
  • American Indian and Alaska Native: 3.5% (3 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 2.3% (2 residents)
  • Other: 0% (0 residents)

What percentage of the population in Rock are U.S.-born citizens?

U.S.-born citizens represent 100% of the population in Rock.

How many housing units are there in Rock?

There are 53 housing units in Rock, reflecting a +3.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Rock and what is the average household size?

Rock has a total of 34 households, with an average of 2 people in each.

What is the median household income in Rock?

Rock has a median household income of $63,780, representing a -1.8% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Rock?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 75.9% (22 residents)
  • Blue-collar workers: 24.1% (7 residents)

Places of employment:
  • Self-employed: 13.3% (4 residents)
  • Private companies: 43.3% (13 residents)
  • Governmental workers: 23.3% (7 residents)
  • Not-for-profit companies: 20% (6 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025