College Grove, TN demographics:
population, income, and more

Total population
7,309
10.2% year-over-year change
Median household income
$178,228/yr
9.5% year-over-year change
Housing units
2,847
3.9% year-over-year change

College Grove population

How many people live in College Grove

College Grove is home to 7,309 residents, according to the most recent Census data. Gender-wise, 53.7% of College Grove locals are male, and 46.3% are female.

Total population
7,309
10.2% year-over-year change
Gender ratio
Male
53.7%
3,923
Female
46.3%
3,387
Value Percent YoY change
Male 3,923 53.7% 15.7%
Female 3,387 46.3% 4.5%
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 College Grove is 42, with the population distributed as follows: about 25.2% are children under 15, then 7.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.4% of the population, while another 29.3% fall into the 45 to 64 bracket. Finally, around 15.8% are 65 or older.

Median age
41.7
Age breakdown
Under 15
25.2%
15 to 24
7.2%
25 to 44
22.4%
45 to 64
29.3%
Over 65
15.8%
Value Percent YoY change
Under 15 1,843 25.2% 29.8%
15 to 24 530 7.2% -15.2%
25 to 44 1,639 22.4% 32.1%
45 to 64 2,143 29.3% -8.7%
Over 65 1,155 15.8% 15.6%
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 College Grove, 97.6% of the population are US-born citizens, while 2.4% have gained naturalized citizenship. As for race, 90.3% of locals are Caucasian, 1.6% are African American and 1.6% have Asian roots. There’s also a share of 6.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.6%
Non-U.S.-born citizens
2.4%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 7,137 97.6% 11.5%
Non-U.S.-born citizens 172 2.4% -9.5%
Racial breakdown
White
90.3%
Black or African American
1.6%
American Indian and Alaska Native
0%
Asian
1.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.6%
Other
0%
Value Percent
White 6,598 90.3%
Black or African American 115 1.6%
Asian 113 1.6%
Two or more races 483 6.6%

Households in College Grove

A peek inside College Grove households

College Grove has 2,589 households, with an average of 3 members in each. Of these, 82.7% are families, while the remaining 17.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,589
3.4% year-over-year change
Average people per household
3
Non-family households
447
Family households
2,142
Value Percent YoY change
Non-family households 447 17.3% -6.3%
Family households 2,142 82.7% 5.7%
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 College Grove

The housing landscape of College Grove

College Grove's housing consists of 2,847 units, with 97.6% 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 2.4% of the housing landscape.

Housing units
2,847
3.9% year-over-year change
Housing types
Value Percent
1 unit, detached 2,778 97.6%
Mobile home 69 2.4%
Homes built since 2020
510
65.0% year-over-year change

The age of buildings in College Grove

In College Grove, the median construction year is 2011. About 4.2% of homes were built before the 1940s, with another 0.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 8% of homes were added from 2000 to 2009, 36.9% between 2010 and 2019, and 17.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 121 4.2% -5.5%
Built between 1940 and 1949 19 0.7% -51.3%
Built between 1950 and 1959 93 3.3% 14.8%
Built between 1960 and 1969 169 5.9% -15.5%
Built between 1970 and 1979 220 7.7% -3.9%
Built between 1980 and 1989 301 10.6% 4.9%
Built between 1990 and 1999 135 4.7% -33.2%
Built between 2000 and 2009 229 8% 22.5%
Built between 2010 and 2019 1,050 36.9% -2.6%
Built in 2020 or later 510 17.9% 65.0%
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.

College Grove occupancy rates

Out of the 2,589 occupied housing units in College Grove, 87.9% are owner-occupied, while 12.1% are lived in by tenants. Meanwhile, 9.1% of all homes on the local market sit vacant.

Occupied housing units
2,589
3.4% year-over-year change
Occupancy breakdown
Renter occupied
313
Owner occupied
2,276
Value Percent YoY
change
Renter occupied 313 12.1% 13.0%
Owner occupied 2,276 87.9% 2.2%
Unoccupied housing units
9.1%
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.

College Grove housing costs

Housing costs in College Grove come to a median of $2,517 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$2,517/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 College Grove
$3,501/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 College Grove

College Grove education at a glance

About 14.5% of the population in College Grove went to high school, while 19.4% pursued college studies. Another 4.3% earned an associate degree and 40.2% hold a bachelor’s. Meanwhile, 20.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 51 1% 6.2%
High school diploma 753 14.5% 7.3%
College diploma 1,006 19.4% -4.7%
Associate degree 222 4.3% -11.2%
Bachelor's degree 2,090 40.2% 14.8%
Graduate degree 1,073 20.6% 5.1%
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 College Grove

How much people earn in College Grove

The average annual household income in College Grove was $253,730 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6% change from the previous year. At the same time, the median income stood at $178,228, reflecting a +9.5% shift over the same period.

Average household income in College Grove
$253,730/year
6.0% year-over-year change
Median household income in College Grove
$178,228/year
9.5% year-over-year change

College Grove income by age

In College Grove, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $187,917. Those with someone between 45 and 64 in charge, often well established professionally, earn $184,464 overall. Overall, 91.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $187,917 15.2%
45 - 64 $184,464 3.2%
Over 65 $162,857 17.3%
Above poverty level
6,661
Below poverty level
625
Value Percent YoY
change
Above poverty level 6,661 91.4% 11.0%
Below poverty level 625 8.6% -0.9%

Employment in College Grove

Workforce and job types in College Grove

89.6% of the working population are employed in professional or administrative positions, while 10.4% are in hands-on or service-based jobs. Also, 19.6% run their own businesses, 67.5% are employed by private companies, and 11.2% work in the public sector.

Workforce demographics

White collar
3,016
Blue collar
350
Value Percent YoY change
White collar 3,016 89.6% 0.8%
Blue collar 350 10.4% 25.0%
Employer type
Self employees
19.6%
Private companies
67.5%
Governmental workers
11.2%
Not for profit companies
1.8%
Value Percent YoY change
Self employees 659 19.6% 20.5%
Private companies 2,271 67.5% -2.0%
Governmental workers 377 11.2% 30.4%
Not for profit companies 59 1.8% -50.4%

Transportation in College Grove

How people get around in College Grove

Commuting methods vary: 98.3% of residents travel by personal vehicle and 1% 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 2,407 98.3% 0.9%
Bus or trolleybus 17 0.7% -10.5%
Walk 25 1% 19.1%
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 College Grove by zipcode?

Zipcode Population Number of households Median income Average income
37046 7,310 2,589 $178,228 $253,740

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FAQs about College Grove demographics 

What is the total population of College Grove?

College Grove has a total population of 7,309 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 +10.2% compared to a year ago.

What is the gender ratio in College Grove?

The gender ratio in College Grove is as follows:
  • 53.7% males (3,923 residents)
  • 46.3% females (3,387 residents)

What is the median age in College Grove?

The median age in College Grove is 41.7.

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

The age distribution in College Grove is as follows:
  • Under 15: 25.2% (1,843 residents)
  • Ages 15-24: 7.2% (530 residents)
  • Ages 25-44: 22.4% (1,639 residents)
  • Ages 45-64: 29.3% (2,143 residents)
  • Over 65: 15.8% (1,155 residents)

What is the racial and ethnic makeup of College Grove?

The racial and ethnic makeup of College Grove is as follows:
  • White: 90.3% (6,598 residents)
  • Black or African American: 1.6% (115 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 1.6% (113 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 6.6% (483 residents)
  • Other: 0% ( residents)

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

U.S.-born citizens represent 97.6% of the population in College Grove.

How many housing units are there in College Grove?

There are 2,847 housing units in College Grove, 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 College Grove and what is the average household size?

College Grove has a total of 2,589 households, with an average of 3 people in each.

What is the median household income in College Grove?

College Grove has a median household income of $178,228, representing a +9.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for College Grove?

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

Job types:
  • White-collar workers: 89.6% (3,016 residents)
  • Blue-collar workers: 10.4% (350 residents)

Places of employment:
  • Self-employed: 19.6% (659 residents)
  • Private companies: 67.5% (2,271 residents)
  • Governmental workers: 11.2% (377 residents)
  • Not-for-profit companies: 1.8% (59 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