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Tennessee ZIP Codes
Mcminn County
Calhoun, TN
37309
37309 ZIP Code — Calhoun, TN
Mcminn County, Tennessee
ZIP code 37309 is located in
Calhoun ,
Tennessee ,
within Mcminn County .
It covers approximately 39.48 square miles and serves a population of
2,312 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 423 .
About ZIP code 37309
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $149,700. Owner-occupancy sits near the national average at 75%.
Median household income is $59,375. The poverty rate of 6% is below the national average. 57% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 26 minutes is near the national average.
College attainment at 8% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (26%) compared to national benchmarks. 17% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.
Overall, ZIP code 37309 reflects a community defined by a trades-oriented workforce, a strong veteran community, and a significant Social Security-dependent population.
37309 ZIP code map
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Cities in ZIP code 37309
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,312
Population density
59 / sq mi
State FIPS
47
County FIPS
107
Geography
Land area
39.48 sq mi
Water area
2.07 sq mi
Latitude
35.3234
Longitude
-84.7545
Timezone
Eastern (ET)
Area code
423
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.5%
53.4%
45.7%
$50k – $100k
43.9%
29.0%
30.9%
$100k – $200k
9.9%
15.2%
18.3%
Over $200k
1.7%
2.4%
5.1%
Demographics & statistics
$59,375
Median household income
$149,700
Median home value
Age distribution
Age summary
Group Count %
Under 18 373 16.1%
18 and over 1,939 83.9%
65 and over 643 27.8%
Median age 48.0 years
Race & ethnicity
Black or African American
1.8%
Group Count %
White 2,222 95.8%
Black or African American 42 1.8%
Two or more races 38 1.6%
Hispanic or Latino 7 0.3%
Asian 5 0.2%
Other race 5 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.5%
53.4%
45.7%
$50k – $100k
43.9%
29.0%
30.9%
$100k – $200k
9.9%
15.2%
18.3%
Over $200k
1.7%
2.4%
5.1%
Range % of households
Under $10k 5.1%
$10k–$15k 1.4%
$15k–$25k 9.3%
$25k–$35k 2.4%
$35k–$50k 22.6%
$50k–$75k 29.4%
$75k–$100k 11.9%
$100k–$150k 14.9%
$150k–$200k 1.0%
$200k+ 2.1%
Median income $59,375
Housing
Housing overview
Metric Value
Median home value $149,700
Median rent / month $940
Owner occupied 74.9%
Renter occupied 25.1%
Vacant 6.7%
Single-family detached 70.6%
Large apartment buildings 0.0%
Mobile homes 22.0%
Median rooms 5.8
Avg household size (owned) 2.31
Year built
Era %
2020 or later 0.0%
2010–2019 9.1%
2000–2009 20.4%
1990–1999 18.1%
1980–1989 9.3%
1970–1979 17.0%
1960–1969 1.2%
1950–1959 18.5%
1940–1949 0.7%
1939 or earlier 5.6%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 8.1%
2 bedrooms 18.0%
3 bedrooms 54.8%
4 bedrooms 13.4%
5+ bedrooms 5.8%
Vehicles per household
Vehicles % of households
No vehicle 1.2%
1 vehicle 23.1%
2 vehicles 37.5%
3 or more 38.2%
Heating fuel
Fuel type %
Utility gas 5.5%
Electricity 78.3%
Propane / LP gas 11.9%
Fuel oil 3.6%
Wood 0.7%
Households & families
Household type Count %
Married-couple family 528 57.3%
Cohabiting couple 8 0.9%
Male householder, no spouse 198 21.5%
Female householder, no spouse 188 20.4%
Households with children under 18 222 24.1%
Households with seniors (65+) 454 49.2%
Average household size 2.47
Marital status
Status Male Female
Never married 28.2% 15.2%
Married 52.5% 58.7%
Separated 0.0% 4.4%
Widowed 1.2% 12.2%
Divorced 18.1% 9.5%
Education
Some HS, no diploma
10.2%
Some college, no degree
26.9%
Graduate / professional
2.1%
Metric %
HS diploma or higher 82.9%
Bachelor's or higher 8.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 11 2.1%
Elementary school 136 26.6%
High school 250 48.8%
College / grad school 115 22.5%
Employment
Industry of employment
Education & healthcare
21.5%
Arts, food & hospitality
13.4%
Transportation & utilities
7.8%
Professional & management
4.0%
Public administration
1.0%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 33.5%
Service 20.2%
Sales & office 19.5%
Natural resources & construction 4.2%
Production & transportation 22.5%
Employment type
Type %
Private sector 81.4%
Government 15.3%
Self-employed 3.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 91.5%
Carpool 5.1%
Public transit 0.0%
Walk 1.9%
Work from home 1.3%
Other means 0.2%
Avg commute (minutes) 25.5
Poverty
Married-couple families
0.4%
Female-led households
12.2%
Income support
Source % of households
Social Security 57.0%
Retirement income 37.9%
Supplemental Security 2.2%
Cash public assistance 0.2%
Food stamps / SNAP 10.4%
Health indicators
Condition %
Obesity 36.5%
High blood pressure 42.1%
High cholesterol 38.3%
Diabetes 14.3%
Heart disease 8.4%
Stroke 4.0%
Asthma 10.6%
Arthritis 32.3%
Kidney disease 3.4%
Pulmonary disease 11.0%
Cancer 7.2%
Behavior / access %
Smoking 26.2%
Binge drinking 13.6%
No physical activity 29.0%
Less than 7 hrs sleep 37.1%
Depression 26.3%
Fair or poor health 19.7%
Poor mental health 17.4%
Poor physical health 13.6%
No health insurance 17.8%
Visited doctor (checkup) 74.8%
Visited dentist 52.7%
Cholesterol screening 90.0%
Teeth loss 20.2%
Veterans & disability
Veterans Count %
Civilian veterans 263 13.6%
Disability %
Any disability 21.1%
Under 18 5.9%
18–64 years 16.6%
65 and over 38.6%
Health insurance coverage
Type %
Private insurance 51.4%
Public insurance 44.0%
No insurance 17.4%
Uninsured under 19 28.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,265 98.0%
Spanish 11 0.5%
Other Indo-European 6 0.3%
Asian & Pacific Islander 0 0.0%
Other languages 5 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 2,305 99.7%
Born in same state 2,213 95.7%
Born in different state 1,566 67.7%
Foreign born 92 4.0%
Naturalized citizen 7 0.3%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 304 13.1%
Arab 201 8.7%
French 128 5.5%
Ancestry Count %
German 41 1.8%
English 8 0.3%
Technology access
Metric % of households
Computer access 39.9%
Internet access 94.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 37309
What city is ZIP code 37309 in?
ZIP code 37309 is primarily assigned to Calhoun, Tennessee.
What county is ZIP code 37309 in?
ZIP code 37309 falls within Mcminn County, Tennessee.
Does ZIP code 37309 have a large retiree population?
57% of households in ZIP code 37309 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 37309 have an older population?
28% of residents in ZIP code 37309 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 37309?
8% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 37309 have a large veteran population?
14% of civilians in ZIP code 37309 are veterans, above the national average of ~7%.
What timezone is ZIP code 37309 in?
ZIP code 37309 observes the EST timezone.
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