Randolph County, IL demographics:
population, income, and more

Total population
30,058
-0.3% year-over-year change
Median household income
$68,131/yr
-1.1% year-over-year change
Housing units
13,422
0.2% year-over-year change

Randolph County population

How many people live in Randolph County

Randolph County is home to 30,058 residents, according to the most recent Census data. Gender-wise, 53.9% of Randolph County locals are male, and 46.1% are female.

Total population
30,058
-0.3% year-over-year change
Gender ratio
Male
53.9%
16,189
Female
46.1%
13,869
Value Percent YoY change
Male 16,189 53.9% -0.9%
Female 13,869 46.1% 0.5%
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 Randolph County is 44, with the population distributed as follows: about 16.4% are children under 15, then 10.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.3% of the population, while another 27.4% fall into the 45 to 64 bracket. Finally, around 21.3% are 65 or older.

Median age
43.7
Age breakdown
Under 15
16.4%
15 to 24
10.6%
25 to 44
24.3%
45 to 64
27.4%
Over 65
21.3%
Value Percent YoY change
Under 15 4,936 16.4% -0.4%
15 to 24 3,194 10.6% -5.5%
25 to 44 7,302 24.3% -1.3%
45 to 64 8,233 27.4% 1.2%
Over 65 6,393 21.3% 1.9%
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

In Randolph County, 97.2% of the population are US-born citizens, while 0.7% have gained naturalized citizenship. At the same time, 2.1% of residents are non-citizens. As for race, 85.8% of locals are Caucasian, 8.3% are African American and 0.6% have Asian roots. Another 0.6% are Indigenous American, 0.1% are Pacific Islanders, while 1.6% identify as another race. There’s also a share of 3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.2%
Non-U.S.-born citizens
0.7%
Non-citizens
2.1%
Value Percent YoY change
U.S.-born citizens 29,217 97.2% -0.5%
Non-U.S.-born citizens 213 0.7% -9.8%
Non-citizens 628 2.1% 13.6%
Racial breakdown
White
85.8%
Black or African American
8.3%
American Indian and Alaska Native
0.6%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
3%
Other
1.6%
Value Percent
White 25,786 85.8%
Black or African American 2,497 8.3%
American Indian and Alaska Native 191 0.6%
Asian 169 0.6%
Native Hawaiian and other Pacific Islander 22 0.1%
Two or more races 918 3%
Other 475 1.6%

Households in Randolph County

A peek inside Randolph County households

Randolph County has 11,945 households, with an average of 2 members in each. Of these, 64% are families, while the remaining 36% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
11,945
2.4% year-over-year change
Average people per household
2
Non-family households
4,296
Family households
7,649
Value Percent YoY change
Non-family households 4,296 36% 0.6%
Family households 7,649 64% 3.4%
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 Randolph County

The housing landscape of Randolph County

Randolph County's housing consists of 13,422 units, with 74.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 13.9% of the housing landscape.

Housing units
13,422
0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 10,036 74.8%
1 unit, attached 122 0.9%
2 units 431 3.2%
3 or 4 units 505 3.8%
5 to 9 units 173 1.3%
10 to 19 units 78 0.6%
20 to 49 units 76 0.6%
50 or more units 128 1%
Mobile home 1,870 13.9%
Boat, RV, van, etc. 3 0%
Homes built since 2020
54
28.6% year-over-year change

The age of buildings in Randolph County

In Randolph County, the median construction year is 1972. About 18.1% of homes were built before the 1940s, with another 7.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 8.9% of homes were added from 2000 to 2009, 5.7% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,427 18.1% 5.5%
Built between 1940 and 1949 997 7.4% -4.0%
Built between 1950 and 1959 1,560 11.6% 3.6%
Built between 1960 and 1969 1,364 10.2% 4.8%
Built between 1970 and 1979 2,174 16.2% -8.9%
Built between 1980 and 1989 1,380 10.3% -1.0%
Built between 1990 and 1999 1,507 11.2% -3.5%
Built between 2000 and 2009 1,191 8.9% 7.5%
Built between 2010 and 2019 768 5.7% 0.7%
Built in 2020 or later 54 0.4% 28.6%
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.

Randolph County occupancy rates

Out of the 11,945 occupied housing units in Randolph County, 76.6% are owner-occupied, while 23.4% are lived in by tenants. Meanwhile, 11% of all homes on the local market sit vacant.

Occupied housing units
11,945
2.4% year-over-year change
Occupancy breakdown
Renter occupied
2,797
Owner occupied
9,148
Value Percent YoY
change
Renter occupied 2,797 23.4% 3.4%
Owner occupied 9,148 76.6% 2.0%
Unoccupied housing units
11.0%
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.

Randolph County housing costs

Housing costs in Randolph County come to a median of $782 per month, while tenants specifically pay a median gross rent of $780.

Median housing costs per month
$782/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 Randolph County
$780/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 Randolph County

Randolph County education at a glance

About 48.8% of the population in Randolph County went to high school, while 23.1% pursued college studies. Another 10.1% earned an associate degree and 10% hold a bachelor’s. Meanwhile, 4.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 837 3.5% -0.1%
High school diploma 11,704 48.8% -0.4%
College diploma 5,542 23.1% -5.2%
Associate degree 2,413 10.1% 6.0%
Bachelor's degree 2,394 10% 7.2%
Graduate degree 1,105 4.6% 4.8%
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 Randolph County

How much people earn in Randolph County

The average annual household income in Randolph County was $82,525 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.4% change from the previous year. At the same time, the median income stood at $68,131, reflecting a -1.1% shift over the same period.

Average household income in Randolph County
$82,525/year
1.4% year-over-year change
Median household income in Randolph County
$68,131/year
-1.1% year-over-year change

Randolph County income by age

In Randolph County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $82,396. Those with someone between 45 and 64 in charge, often well established professionally, earn $81,908 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $44,734, while those led by someone over 65, many of whom may be retired, have about $52,235 in earnings. Overall, 85.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $44,734 3.4%
25 - 44 $82,396 -11.5%
45 - 64 $81,908 10.7%
Over 65 $52,235 4.4%
Above poverty level
22,919
Below poverty level
3,874
Value Percent YoY
change
Above poverty level 22,919 85.5% -3.3%
Below poverty level 3,874 14.5% 19.5%

Employment in Randolph County

Workforce and job types in Randolph County

The job market in Randolph County is powered by 12,494 working residents, spread across a range of industries and roles. 68% of the working population are employed in professional or administrative positions, while 32% are in hands-on or service-based jobs. Also, 8.3% run their own businesses, 62.1% are employed by private companies, and 20.8% work in the public sector.

Workforce demographics

Working population
12,494
-1.7% year-over-year change
White collar
8,500
Blue collar
3,994
Value Percent YoY change
White collar 8,500 68% -3.1%
Blue collar 3,994 32% 1.5%
Employer type
Self employees
8.3%
Private companies
62.1%
Governmental workers
20.8%
Not for profit companies
8.8%
Value Percent YoY change
Self employees 1,041 8.3% 5.2%
Private companies 7,755 62.1% 1.0%
Governmental workers 2,593 20.8% -9.9%
Not for profit companies 1,105 8.8% -4.7%
Unemployment rate
5.0%
-2.5% year-over-year change

Available workforce

The unemployment rate in Randolph County stands at 5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Randolph County

How people get around in Randolph County

Commuting methods vary: 90.8% of residents travel by personal vehicle and 2.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 11,096 90.8% -3.3%
Taxicab 33 0.3% N/A
Bus or trolleybus 3 0% 200.0%
Motorcycle 11 0.1% 10.0%
Bicycle 74 0.6% 23.3%
Walk 298 2.4% 30.1%
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 Randolph County by zipcode?

Zipcode Population Number of households Median income Average income
62217 767 320 $84,615 $85,848
62233 8,326 2,427 $84,556 $90,158
62237 2,367 1,097 $55,208 $71,233
62241 879 381 $83,438 $88,474
62242 1,660 724 $60,400 $78,160
62261 80 33 $0 $0
62272 1,521 643 $50,938 $66,628
62277 940 424 $67,969 $80,060
62278 6,281 2,640 $79,688 $100,512
62280 421 180 $62,353 $97,215

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FAQs about Randolph County demographics 

What is the total population of Randolph County?

Randolph County has a total population of 30,058 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 -0.3% compared to a year ago.

What is the gender ratio in Randolph County?

The gender ratio in Randolph County is as follows:
  • 53.9% males (16,189 residents)
  • 46.1% females (13,869 residents)

What is the median age in Randolph County?

The median age in Randolph County is 43.7.

What is the age distribution of the population in Randolph County?

The age distribution in Randolph County is as follows:
  • Under 15: 16.4% (4,936 residents)
  • Ages 15-24: 10.6% (3,194 residents)
  • Ages 25-44: 24.3% (7,302 residents)
  • Ages 45-64: 27.4% (8,233 residents)
  • Over 65: 21.3% (6,393 residents)

What is the racial and ethnic makeup of Randolph County?

The racial and ethnic makeup of Randolph County is as follows:
  • White: 85.8% (25,786 residents)
  • Black or African American: 8.3% (2,497 residents)
  • American Indian and Alaska Native: 0.6% (191 residents)
  • Asian: 0.6% (169 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (22 residents)
  • Two or More Races: 3% (918 residents)
  • Other: 1.6% (475 residents)

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

U.S.-born citizens represent 97.2% of the population in Randolph County.

How many housing units are there in Randolph County?

There are 13,422 housing units in Randolph County, reflecting a +0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Randolph County has a total of 11,945 households, with an average of 2 people in each.

What is the median household income in Randolph County?

Randolph County has a median household income of $68,131, representing a -1.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Randolph County?

The employment rate is 95% in Randolph County, with a workforce of 12,494 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 68% (8,500 residents)
  • Blue-collar workers: 32% (3,994 residents)

Places of employment:
  • Self-employed: 8.3% (1,041 residents)
  • Private companies: 62.1% (7,755 residents)
  • Governmental workers: 20.8% (2,593 residents)
  • Not-for-profit companies: 8.8% (1,105 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