ZipCodesToGo
Tennessee ZIP Codes
Jefferson County
New Market, TN
37820
37820 ZIP Code — New Market, TN
Jefferson County, Tennessee
ZIP code 37820 is located in
New Market ,
Tennessee ,
within Jefferson County .
It covers approximately 67.62 square miles and serves a population of
7,269 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 865 .
About ZIP code 37820
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $176,400. Owner-occupancy is high at 82%, well above the national average.
Median household income is $57,584. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (25%) compared to national benchmarks.
Overall, ZIP code 37820 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
37820 ZIP code map
View map of 37820
Cities in ZIP code 37820
Below are the cities the US Postal Service accepts for ZIP code 37820. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
7,269
Population density
107 / sq mi
State FIPS
47
County FIPS
089
Geography
Land area
67.62 sq mi
Water area
0.64 sq mi
Latitude
36.0900
Longitude
-83.5599
Timezone
Eastern (ET)
Area code
865
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.7%
46.8%
45.7%
$50k – $100k
32.8%
32.4%
30.9%
$100k – $200k
14.1%
18.1%
18.3%
Over $200k
1.3%
2.8%
5.1%
Demographics & statistics
$57,584
Median household income
$176,400
Median home value
14.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,383 19.0%
18 and over 5,886 81.0%
65 and over 1,586 21.8%
Median age 46.7 years
Race & ethnicity
Black or African American
1.2%
American Indian / Alaska Native
0.1%
Group Count %
White 6,972 94.5%
Two or more races 149 2%
Hispanic or Latino 110 1.5%
Black or African American 89 1.2%
Asian 35 0.5%
Other race 18 0.2%
American Indian / Alaska Native 6 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.7%
46.8%
45.7%
$50k – $100k
32.8%
32.4%
30.9%
$100k – $200k
14.1%
18.1%
18.3%
Over $200k
1.3%
2.8%
5.1%
Range % of households
Under $10k 4.0%
$10k–$15k 3.7%
$15k–$25k 9.2%
$25k–$35k 12.7%
$35k–$50k 13.7%
$50k–$75k 20.8%
$75k–$100k 13.6%
$100k–$150k 13.4%
$150k–$200k 6.1%
$200k+ 2.9%
Median income $57,584
Housing
Housing overview
Metric Value
Median home value $176,400
Median rent / month $803
Owner occupied 82.3%
Renter occupied 17.7%
Vacant 13.9%
Single-family detached 68.4%
Large apartment buildings 0.4%
Mobile homes 31.1%
Median rooms 6.1
Avg household size (owned) 2.64
Year built
Era %
2020 or later 0.2%
2010–2019 9.6%
2000–2009 16.3%
1990–1999 17.1%
1980–1989 17.7%
1970–1979 15.8%
1960–1969 5.3%
1950–1959 7.1%
1940–1949 2.2%
1939 or earlier 8.6%
Bedrooms
Size % of units
No bedroom (studio) 0.5%
1 bedroom 2.8%
2 bedrooms 20.7%
3 bedrooms 61.0%
4 bedrooms 13.0%
5+ bedrooms 1.9%
Vehicles per household
Vehicles % of households
No vehicle 1.7%
1 vehicle 22.0%
2 vehicles 45.4%
3 or more 30.9%
Heating fuel
Fuel type %
Utility gas 5.5%
Electricity 82.8%
Propane / LP gas 5.4%
Fuel oil 0.5%
Wood 5.1%
No fuel used 0.6%
Households & families
Household type Count %
Married-couple family 1,699 59.7%
Cohabiting couple 125 4.4%
Male householder, no spouse 369 13.0%
Female householder, no spouse 654 23.0%
Households with children under 18 858 30.1%
Households with seniors (65+) 1,098 38.6%
Average household size 2.55
Marital status
Status Male Female
Never married 21.4% 13.5%
Married 63.9% 58.0%
Separated 1.2% 1.8%
Widowed 1.8% 13.1%
Divorced 11.7% 13.7%
Education
Some college, no degree
19.1%
Graduate / professional
4.8%
Metric %
HS diploma or higher 87.1%
Bachelor's or higher 14.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 25 1.8%
Kindergarten 114 8.4%
Elementary school 684 50.5%
High school 291 21.5%
College / grad school 241 17.8%
Employment
Industry of employment
Education & healthcare
20.5%
Transportation & utilities
8.9%
Professional & management
7.2%
Arts, food & hospitality
6.5%
Agriculture & mining
5.1%
Finance & real estate
3.3%
Public administration
2.6%
Occupation
Category %
Management, business & arts 27.0%
Service 15.1%
Sales & office 27.9%
Natural resources & construction 11.0%
Production & transportation 19.1%
Employment type
Type %
Private sector 78.1%
Government 12.2%
Self-employed 9.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 75.6%
Carpool 12.3%
Public transit 1.2%
Walk 2.8%
Work from home 8.1%
Other means 0.0%
Avg commute (minutes) 28.9
Poverty
Married-couple families
6.4%
Female-led households
29.3%
Income support
Source % of households
Social Security 40.5%
Retirement income 23.0%
Supplemental Security 6.2%
Cash public assistance 0.7%
Food stamps / SNAP 10.7%
Health indicators
Condition %
Obesity 37.3%
High blood pressure 40.1%
High cholesterol 36.5%
Diabetes 12.7%
Heart disease 7.7%
Stroke 3.6%
Asthma 10.6%
Arthritis 31.1%
Kidney disease 3.2%
Pulmonary disease 9.9%
Cancer 6.8%
Behavior / access %
Smoking 25.0%
Binge drinking 14.3%
No physical activity 27.7%
Less than 7 hrs sleep 35.0%
Depression 27.0%
Fair or poor health 17.8%
Poor mental health 17.4%
Poor physical health 12.7%
No health insurance 17.0%
Visited doctor (checkup) 74.5%
Visited dentist 54.9%
Cholesterol screening 89.7%
Teeth loss 19.2%
Veterans & disability
Veterans Count %
Civilian veterans 558 9.5%
Disability %
Any disability 19.7%
Under 18 17.6%
18–64 years 10.7%
65 and over 45.7%
Health insurance coverage
Type %
Private insurance 65.3%
Public insurance 39.7%
No insurance 7.9%
Uninsured under 19 3.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 6,996 96.2%
Spanish 42 0.6%
Other Indo-European 42 0.6%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 7,167 98.6%
Born in same state 7,129 98.1%
Born in different state 4,557 62.7%
Foreign born 38 0.5%
Naturalized citizen 102 1.4%
Not a US citizen 60 58.8%
Ancestry
Ancestry Count %
Arab 1,295 17.8%
French 1,101 15.1%
Italian 593 8.2%
Ancestry Count %
English 78 1.1%
Polish 35 0.5%
German 21 0.3%
Technology access
Metric % of households
Computer access 39.2%
Internet access 86.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 37820
What city is ZIP code 37820 in?
ZIP code 37820 is primarily assigned to New Market, Tennessee.
What county is ZIP code 37820 in?
ZIP code 37820 falls within Jefferson County, Tennessee.
How educated is the population of ZIP code 37820?
15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Is ZIP code 37820 mostly owner-occupied?
82% of occupied units in ZIP code 37820 are owner-occupied, well above the national average.
Does ZIP code 37820 have a large retiree population?
41% of households in ZIP code 37820 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 37820 have a large veteran population?
10% of civilians in ZIP code 37820 are veterans, above the national average of ~7%.
What timezone is ZIP code 37820 in?
ZIP code 37820 observes the EST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →