ZIP code · New Market · Tennessee · United States

ZIP code 37820 — New Market

ZIP code 37820 serves New Market, Tennessee.

Postal code
37820
Single source Value from one source, not cross-checked.
City
New Market
County
Jefferson FIPS 47089
State
Tennessee
Country
United States
Coordinates
36.0810, -83.5673 — precision precise (locality)
View on OpenStreetMap
Population
7,743 (ZCTA, ACS 5-year)
Population density
115 / sq mi
Land area
67.6 sq mi (175.1 km²) (ZCTA, ACS 5-year)
Median household income
$62,901
Per-capita income
$30,002
Median age
46.4
Households
3,025
Housing units
3,485
Median home value
$193,500
Median gross rent
$853 / month
Congressional district
TN-1 (119th Congress)
USDA hardiness zone
7b (5 to 10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area code
865 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F475161707884878782716050
Avg low °F252732415059636255423227
Precip in4.14.54.64.64.13.85.03.83.32.73.44.5

NOAA 1991–2020 climate normals from the nearest station: JEFFERSON CITY (6.0 mi) · NOAA NCEI

Places in ZIP 37820

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page