Cosby, TN demographics:
population, income, and more

Total population
779
49.5% year-over-year change
Median household income
$91,563/yr
% year-over-year change
Housing units
347
4.5% year-over-year change

Cosby population

How many people live in Cosby

Cosby is home to 779 residents, according to the most recent Census data. Gender-wise, 41.8% of Cosby locals are male, and 58.2% are female.

Total population
779
49.5% year-over-year change
Gender ratio
Male
41.8%
326
Female
58.2%
453
Value Percent YoY change
Male 326 41.8% 44.9%
Female 453 58.2% 53.0%
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 Cosby is 34, with the population distributed as follows: about 13.4% are children under 15, then 6.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 47.2% of the population, while another 13.7% fall into the 45 to 64 bracket. Finally, around 18.9% are 65 or older.

Median age
34.3
Age breakdown
Under 15
13.4%
15 to 24
6.8%
25 to 44
47.2%
45 to 64
13.7%
Over 65
18.9%
Value Percent YoY change
Under 15 104 13.4% 112.2%
15 to 24 53 6.8% 60.6%
25 to 44 368 47.2% 178.8%
45 to 64 107 13.7% 12.6%
Over 65 147 18.9% -30.7%
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 Cosby, 98.7% of the population are US-born citizens, while 1.3% have gained naturalized citizenship.

Citizenship
U.S.-born citizens
98.7%
Non-U.S.-born citizens
1.3%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 769 98.7% 51.1%
Non-U.S.-born citizens 10 1.3% -16.7%
Racial breakdown
White
100%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0%
Value Percent
White 779 100%

Households in Cosby

A peek inside Cosby households

Cosby has 303 households, with an average of 3 members in each. Of these, 72.9% are families, while the remaining 27.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
303
22.7% year-over-year change
Average people per household
3
Non-family households
82
Family households
221
Value Percent YoY change
Non-family households 82 27.1% 24.2%
Family households 221 72.9% 22.1%
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 Cosby

The housing landscape of Cosby

Cosby's housing consists of 347 units, with 78.4% 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 21.6% of the housing landscape.

Housing units
347
4.5% year-over-year change
Housing types
Value Percent
1 unit, detached 272 78.4%
Mobile home 75 21.6%
Homes built since 2020
24
4.3% year-over-year change

The age of buildings in Cosby

In Cosby, the median construction year is 1993. 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 7 2% 0.0%
Built between 1950 and 1959 37 10.7% -5.1%
Built between 1970 and 1979 33 9.5% -45.0%
Built between 1980 and 1989 69 19.9% -17.9%
Built between 1990 and 1999 81 23.3% 118.9%
Built between 2000 and 2009 96 27.7% 300.0%
Built in 2020 or later 24 6.9% 4.3%
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.

Cosby occupancy rates

Out of the 303 occupied housing units in Cosby, 86.1% are owner-occupied, while 13.9% are lived in by tenants. Meanwhile, 12.7% of all homes on the local market sit vacant.

Occupied housing units
303
22.7% year-over-year change
Occupancy breakdown
Renter occupied
42
Owner occupied
261
Value Percent YoY
change
Renter occupied 42 13.9% -28.8%
Owner occupied 261 86.1% 38.8%
Unoccupied housing units
12.7%
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.

Education in Cosby

Cosby education at a glance

About 43.4% of the population in Cosby went to high school, while 20.8% pursued college studies. Another 9.8% earned an associate degree and 10.3% hold a bachelor’s. Meanwhile, 15.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4 0.6% 0.0%
High school diploma 287 43.4% -2.0%
College diploma 138 20.8% 213.6%
Associate degree 65 9.8% N/A
Bachelor's degree 68 10.3% 13.3%
Graduate degree 100 15.1% 163.2%
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 Cosby

How much people earn in Cosby

The average annual household income in Cosby was $69,497 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +41.4% change from the previous year.

Average household income in Cosby
$69,497/year
41.4% year-over-year change
Median household income in Cosby
$91,563/year
% year-over-year change

Cosby income by age

In Cosby, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $94,936. Overall, 87.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $94,936 N/A
Above poverty level
683
Below poverty level
96
Value Percent YoY
change
Above poverty level 683 87.7% 84.1%
Below poverty level 96 12.3% -36.0%

Employment in Cosby

Workforce and job types in Cosby

The job market in Cosby is powered by 477 working residents, spread across a range of industries and roles. 62.7% of the working population are employed in professional or administrative positions, while 37.3% are in hands-on or service-based jobs. Also, 22.6% run their own businesses, 45.3% are employed by private companies, and 16.6% work in the public sector.

Workforce demographics

Working population
477
67.4% year-over-year change
White collar
299
Blue collar
178
Value Percent YoY change
White collar 299 62.7% 44.4%
Blue collar 178 37.3% 128.2%
Employer type
Self employees
22.6%
Private companies
45.3%
Governmental workers
16.6%
Not for profit companies
15.5%
Value Percent YoY change
Self employees 108 22.6% 36.7%
Private companies 216 45.3% 19.3%
Governmental workers 79 16.6% 216.0%
Not for profit companies 74 15.5% N/A

Transportation in Cosby

How people get around in Cosby

Means of transportation
Value Percent YoY change
Car 437 91.6% 86.0%
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 Cosby by zipcode?

Zipcode Population Number of households Median income Average income
37722 6,708 2,720 $55,000 $70,125

Explore more communities

FAQs about Cosby demographics 

What is the total population of Cosby?

Cosby has a total population of 779 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 +49.5% compared to a year ago.

What is the gender ratio in Cosby?

The gender ratio in Cosby is as follows:
  • 41.8% males (326 residents)
  • 58.2% females (453 residents)

What is the median age in Cosby?

The median age in Cosby is 34.3.

What is the age distribution of the population in Cosby?

The age distribution in Cosby is as follows:
  • Under 15: 13.4% (104 residents)
  • Ages 15-24: 6.8% (53 residents)
  • Ages 25-44: 47.2% (368 residents)
  • Ages 45-64: 13.7% (107 residents)
  • Over 65: 18.9% (147 residents)

What is the racial and ethnic makeup of Cosby?

The racial and ethnic makeup of Cosby is as follows:
  • White: 100% (779 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 0% (0 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98.7% of the population in Cosby.

How many housing units are there in Cosby?

There are 347 housing units in Cosby, reflecting a +4.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Cosby has a total of 303 households, with an average of 3 people in each.

What is the median household income in Cosby?

Cosby has a median household income of $91,563, representing a % shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Cosby?

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

Job types:
  • White-collar workers: 62.7% (299 residents)
  • Blue-collar workers: 37.3% (178 residents)

Places of employment:
  • Self-employed: 22.6% (108 residents)
  • Private companies: 45.3% (216 residents)
  • Governmental workers: 16.6% (79 residents)
  • Not-for-profit companies: 15.5% (74 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