Oak Grove, IL demographics:
population, income, and more

Total population
277
-17.3% year-over-year change
Median household income
$40,972/yr
-2.2% year-over-year change
Housing units
195
-7.1% year-over-year change

Oak Grove population

How many people live in Oak Grove

Oak Grove is home to 277 residents, according to the most recent Census data. Gender-wise, 59.2% of Oak Grove locals are male, and 40.8% are female.

Total population
277
-17.3% year-over-year change
Gender ratio
Male
59.2%
164
Female
40.8%
113
Value Percent YoY change
Male 164 59.2% -8.9%
Female 113 40.8% -27.1%
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 Oak Grove is 59, with the population distributed as follows: about 9% are children under 15, then 10.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 11.6% of the population, while another 39% fall into the 45 to 64 bracket. Finally, around 30.3% are 65 or older.

Median age
58.8
Age breakdown
Under 15
9%
15 to 24
10.1%
25 to 44
11.6%
45 to 64
39%
Over 65
30.3%
Value Percent YoY change
Under 15 25 9% -53.7%
15 to 24 28 10.1% 0.0%
25 to 44 32 11.6% -52.2%
45 to 64 108 39% 8.0%
Over 65 84 30.3% -2.3%
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 Oak Grove, 98.2% of the population are US-born citizens, while 1.1% have gained naturalized citizenship. At the same time, 0.7% of residents are non-citizens. There’s also a share of 3.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.2%
Non-U.S.-born citizens
1.1%
Non-citizens
0.7%
Value Percent YoY change
U.S.-born citizens 272 98.2% -18.1%
Non-U.S.-born citizens 3 1.1% 50.0%
Non-citizens 2 0.7% 100.0%
Racial breakdown
White
95%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
1.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.2%
Other
0%
Value Percent
White 263 95%
Asian 5 1.8%
Two or more races 9 3.2%

Households in Oak Grove

A peek inside Oak Grove households

Oak Grove has 173 households, with an average of 2 members in each. Of these, 46.8% are families, while the remaining 53.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
173
-8.0% year-over-year change
Average people per household
2
Non-family households
92
Family households
81
Value Percent YoY change
Non-family households 92 53.2% 17.9%
Family households 81 46.8% -26.4%
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 Oak Grove

The housing landscape of Oak Grove

Oak Grove's housing consists of 195 units, with 19% 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 78% of the housing landscape.

Housing units
195
-7.1% year-over-year change
Housing types
Value Percent
1 unit, detached 37 19%
2 units 1 0.5%
3 or 4 units 1 0.5%
5 to 9 units 4 2%
Mobile home 152 78%
Homes built since 2020
2
0.0% year-over-year change

The age of buildings in Oak Grove

In Oak Grove, the median construction year is 1974. About 3.1% of homes were built before the 1940s, with another 2.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 4.1% of homes were added from 2000 to 2009, 13.8% between 2010 and 2019, and 1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 6 3.1% 0.0%
Built between 1940 and 1949 5 2.6% -28.6%
Built between 1950 and 1959 34 17.4% 6.2%
Built between 1960 and 1969 37 19% -9.8%
Built between 1970 and 1979 41 21% -24.1%
Built between 1980 and 1989 15 7.7% 7.1%
Built between 1990 and 1999 20 10.3% 42.9%
Built between 2000 and 2009 8 4.1% -11.1%
Built between 2010 and 2019 27 13.8% -12.9%
Built in 2020 or later 2 1% 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.

Oak Grove occupancy rates

Out of the 173 occupied housing units in Oak Grove, 88.4% are owner-occupied, while 11.6% are lived in by tenants. Meanwhile, 11.3% of all homes on the local market sit vacant.

Occupied housing units
173
-8.0% year-over-year change
Occupancy breakdown
Renter occupied
20
Owner occupied
153
Value Percent YoY
change
Renter occupied 20 11.6% -4.8%
Owner occupied 153 88.4% -8.4%
Unoccupied housing units
11.3%
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.

Oak Grove housing costs

Housing costs in Oak Grove come to a median of $549 per month, while tenants specifically pay a median gross rent of $1,036.

Median housing costs per month
$549/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 Oak Grove
$1,036/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 Oak Grove

Oak Grove education at a glance

About 70.1% of the population in Oak Grove went to high school, while 11.6% pursued college studies. Another 13.2% earned an associate degree and 1.6% hold a bachelor’s. Meanwhile, 1.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6 2.4% -14.3%
High school diploma 176 70.1% 8.0%
College diploma 29 11.6% -42.0%
Associate degree 33 13.2% -2.9%
Bachelor's degree 4 1.6% -81.0%
Graduate degree 3 1.2% -25.0%
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 Oak Grove

How much people earn in Oak Grove

The average annual household income in Oak Grove was $47,347 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -24.7% change from the previous year. At the same time, the median income stood at $40,972, reflecting a -2.2% shift over the same period.

Average household income in Oak Grove
$47,347/year
-24.7% year-over-year change
Median household income in Oak Grove
$40,972/year
-2.2% year-over-year change

Oak Grove income by age

In Oak Grove, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $72,500. Those with someone between 45 and 64 in charge, often well established professionally, earn $29,688 overall. Overall, 76.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $72,500 N/A
45 - 64 $29,688 0.2%
Over 65 $44,306 -35.5%
Above poverty level
205
Below poverty level
62
Value Percent YoY
change
Above poverty level 205 76.8% -24.9%
Below poverty level 62 23.2% 21.6%

Average renter income in Oak Grove

To get a better sense of what renters earn on average in Oak Grove, their median household income was $38,750 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 32.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$38,750
Rent-to-income ratio
32.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Oak Grove

Workforce and job types in Oak Grove

The job market in Oak Grove is powered by 116 working residents, spread across a range of industries and roles. 39.7% of the working population are employed in professional or administrative positions, while 60.3% are in hands-on or service-based jobs. Also, 7.8% run their own businesses, 87.9% are employed by private companies, and 4.3% work in the public sector.

Workforce demographics

Working population
116
-30.9% year-over-year change
White collar
46
Blue collar
70
Value Percent YoY change
White collar 46 39.7% -47.7%
Blue collar 70 60.3% -12.5%
Employer type
Self employees
7.8%
Private companies
87.9%
Governmental workers
4.3%
Not for profit companies
0%
Value Percent YoY change
Self employees 9 7.8% 0.0%
Private companies 102 87.9% -32.0%
Governmental workers 5 4.3% 25.0%
Unemployment rate
10.8%
40.0% year-over-year change

Available workforce

The unemployment rate in Oak Grove stands at 10.8%, 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 Oak Grove

How people get around in Oak Grove

Means of transportation
Value Percent YoY change
Car 106 93.8% -24.8%
Bus or trolleybus 1 0.9% 0.0%
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 Oak Grove by zipcode?

Zipcode Population Number of households Median income Average income
61264 10,073 4,809 $78,068 $98,919

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FAQs about Oak Grove demographics 

What is the total population of Oak Grove?

Oak Grove has a total population of 277 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 -17.3% compared to a year ago.

What is the gender ratio in Oak Grove?

The gender ratio in Oak Grove is as follows:
  • 59.2% males (164 residents)
  • 40.8% females (113 residents)

What is the median age in Oak Grove?

The median age in Oak Grove is 58.8.

What is the age distribution of the population in Oak Grove?

The age distribution in Oak Grove is as follows:
  • Under 15: 9% (25 residents)
  • Ages 15-24: 10.1% (28 residents)
  • Ages 25-44: 11.6% (32 residents)
  • Ages 45-64: 39% (108 residents)
  • Over 65: 30.3% (84 residents)

What is the racial and ethnic makeup of Oak Grove?

The racial and ethnic makeup of Oak Grove is as follows:
  • White: 95% (263 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 1.8% (5 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.2% (9 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98.2% of the population in Oak Grove.

How many housing units are there in Oak Grove?

There are 195 housing units in Oak Grove, reflecting a -7.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Oak Grove has a total of 173 households, with an average of 2 people in each.

What is the median household income in Oak Grove?

Oak Grove has a median household income of $40,972, representing a -2.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Oak Grove?

The employment rate is 89.2% in Oak Grove, with a workforce of 116 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 39.7% (46 residents)
  • Blue-collar workers: 60.3% (70 residents)

Places of employment:
  • Self-employed: 7.8% (9 residents)
  • Private companies: 87.9% (102 residents)
  • Governmental workers: 4.3% (5 residents)
  • Not-for-profit companies: 0% (0 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