Duff, TN demographics:
population, income, and more

Total population
1,278
1.0% year-over-year change
Median household income
$42,772/yr
2.0% year-over-year change
Housing units
681
5.4% year-over-year change

Duff population

How many people live in Duff

Duff is home to 1,278 residents, according to the most recent Census data. Gender-wise, 54.4% of Duff locals are male, and 45.7% are female.

Total population
1,278
1.0% year-over-year change
Gender ratio
Male
54.4%
695
Female
45.7%
584
Value Percent YoY change
Male 695 54.4% 11.2%
Female 584 45.7% -8.9%
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 Duff is 46, with the population distributed as follows: about 19.8% are children under 15, then 7.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 12.7% of the population, while another 41.2% fall into the 45 to 64 bracket. Finally, around 18.7% are 65 or older.

Median age
45.5
Age breakdown
Under 15
19.8%
15 to 24
7.6%
25 to 44
12.7%
45 to 64
41.2%
Over 65
18.7%
Value Percent YoY change
Under 15 253 19.8% 2.9%
15 to 24 97 7.6% -11.0%
25 to 44 163 12.7% -21.6%
45 to 64 527 41.2% 24.0%
Over 65 239 18.7% -14.0%
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 0.2% 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 1,278 100% 3.6%
Racial breakdown
White
99.8%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0.2%
Other
0%
Value Percent
White 1,275 99.8%
Two or more races 3 0.2%

Households in Duff

A peek inside Duff households

Duff has 477 households, with an average of 3 members in each. Of these, 68.6% are families, while the remaining 31.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
477
-4.4% year-over-year change
Average people per household
3
Non-family households
150
Family households
327
Value Percent YoY change
Non-family households 150 31.4% 6.4%
Family households 327 68.6% -8.7%
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 Duff

The housing landscape of Duff

Duff's housing consists of 681 units, with 59.3% 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 40.7% of the housing landscape.

Housing units
681
5.4% year-over-year change
Housing types
Value Percent
1 unit, detached 404 59.3%
Mobile home 277 40.7%
Homes built since 2020
% year-over-year change

The age of buildings in Duff

In Duff, the median construction year is 1982. About 4.1% of homes were built before the 1940s, with another 1.6% 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 28 4.1% -48.1%
Built between 1940 and 1949 11 1.6% -72.5%
Built between 1950 and 1959 179 26.3% -4.3%
Built between 1960 and 1969 39 5.7% 95.0%
Built between 1970 and 1979 58 8.5% 3.6%
Built between 1980 and 1989 106 15.6% 292.6%
Built between 1990 and 1999 117 17.2% -19.9%
Built between 2000 and 2009 59 8.7% 13.5%
Built between 2010 and 2019 84 12.3% 31.2%
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.

Duff occupancy rates

Out of the 477 occupied housing units in Duff, 81.8% are owner-occupied, while 18.2% are lived in by tenants. Meanwhile, 30% of all homes on the local market sit vacant.

Occupied housing units
477
-4.4% year-over-year change
Occupancy breakdown
Renter occupied
87
Owner occupied
390
Value Percent YoY
change
Renter occupied 87 18.2% -5.4%
Owner occupied 390 81.8% -4.2%
Unoccupied housing units
30.0%
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.

Duff housing costs

Median housing costs per month
$425/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.

Education in Duff

Duff education at a glance

About 46.1% of the population in Duff went to high school, while 20% pursued college studies. Another earned an associate degree and 0.8% hold a bachelor’s. Meanwhile, 29.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 35 3.6% -37.5%
High school diploma 448 46.1% 3.7%
College diploma 194 20% 0.5%
Bachelor's degree 8 0.8% -63.6%
Graduate degree 287 29.5% 2.5%
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 Duff

How much people earn in Duff

The average annual household income in Duff was $50,816 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -10.8% change from the previous year. At the same time, the median income stood at $42,772, reflecting a +2% shift over the same period.

Average household income in Duff
$50,816/year
-10.8% year-over-year change
Median household income in Duff
$42,772/year
2.0% year-over-year change

Duff income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $19,063 overall. Overall, 78.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $19,063 -52.8%
Above poverty level
919
Below poverty level
253
Value Percent YoY
change
Above poverty level 919 78.4% -6.4%
Below poverty level 253 21.6% 16.6%

Employment in Duff

Workforce and job types in Duff

67% of the working population are employed in professional or administrative positions, while 33% are in hands-on or service-based jobs.

Workforce demographics

White collar
199
Blue collar
98
Value Percent YoY change
White collar 199 67% -7.0%
Blue collar 98 33% -22.8%
Employer type
Self employees
0%
Private companies
64.3%
Governmental workers
31.6%
Not for profit companies
4%
Value Percent YoY change
Private companies 191 64.3% -2.5%
Governmental workers 94 31.6% -23.6%
Not for profit companies 12 4% -45.5%

Transportation in Duff

How people get around in Duff

Means of transportation
Value Percent YoY change
Car 220 100% -22.8%
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 Duff by zipcode?

Zipcode Population Number of households Median income Average income
37729 1,279 477 $42,772 $50,850

Explore more communities

FAQs about Duff demographics 

What is the total population of Duff?

Duff has a total population of 1,278 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 +1.0% compared to a year ago.

What is the gender ratio in Duff?

The gender ratio in Duff is as follows:
  • 54.4% males (695 residents)
  • 45.7% females (584 residents)

What is the median age in Duff?

The median age in Duff is 45.5.

What is the age distribution of the population in Duff?

The age distribution in Duff is as follows:
  • Under 15: 19.8% (253 residents)
  • Ages 15-24: 7.6% (97 residents)
  • Ages 25-44: 12.7% (163 residents)
  • Ages 45-64: 41.2% (527 residents)
  • Over 65: 18.7% (239 residents)

What is the racial and ethnic makeup of Duff?

The racial and ethnic makeup of Duff is as follows:
  • White: 99.8% (1,275 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0% ( residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 0.2% (3 residents)
  • Other: 0% ( residents)

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

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

How many housing units are there in Duff?

There are 681 housing units in Duff, reflecting a +5.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Duff has a total of 477 households, with an average of 3 people in each.

What is the median household income in Duff?

Duff has a median household income of $42,772, representing a +2.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Duff?

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

Job types:
  • White-collar workers: 67% (199 residents)
  • Blue-collar workers: 33% (98 residents)

Places of employment:
  • Self-employed: 0% ( residents)
  • Private companies: 64.3% (191 residents)
  • Governmental workers: 31.6% (94 residents)
  • Not-for-profit companies: 4% (12 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