ZIP code · Oliver Springs · Tennessee · United States

ZIP code 37840 — Oliver Springs

ZIP code 37840 serves Oliver Springs, Tennessee.

Postal code
37840
Single source Value from one source, not cross-checked.
City
Oliver Springs
County
Morgan FIPS 47129
State
Tennessee
Country
United States
Coordinates
36.0366, -84.3486 — precision precise (locality)
View on OpenStreetMap
Population
10,402 (ZCTA, ACS 5-year)
Population density
129 / sq mi
Land area
80.7 sq mi (209.1 km²) (ZCTA, ACS 5-year)
Median household income
$60,064
Per-capita income
$35,766
Median age
41.7
Households
3,996
Housing units
4,189
Median home value
$185,100
Median gross rent
$630 / month
Congressional district
TN-3 (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
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 29°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F475161707884878781715949
Avg low °F293239475664686761483732
Precip in5.55.95.55.64.54.85.93.74.13.35.05.8

NOAA 1991–2020 climate normals from the nearest station: OAK RIDGE ATDD (6.0 mi) · NOAA NCEI

Places in ZIP 37840

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