ZIP code · Portland · Tennessee · United States
ZIP code 37148 — Portland
ZIP code 37148 serves Portland, Tennessee.
- Postal code
- 37148Single source Value from one source, not cross-checked.
- City
- Portland
- County
- Sumner FIPS 47165
- State
- Tennessee
- Country
- United States
- Coordinates
- 36.5673, -86.5059 — precision precise (locality)
View on OpenStreetMap - Population
- 25,421 (ZCTA, ACS 5-year)
- Population density
- 193 / sq mi
- Land area
- 131.8 sq mi (341.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,684
- Per-capita income
- $31,191
- Median age
- 36.5
- Households
- 9,175
- Housing units
- 9,919
- Median home value
- $273,200
- Median gross rent
- $1,082 / month
- Congressional districts
- TN-6 (also TN-7) (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/Chicago (UTC−6 / UTC−5 DST)
Tools: compare 37148 with another ZIP · ZIPs within 25 miles · distance from 37148
Map of ZIP code 37148
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 50 | 59 | 70 | 78 | 85 | 89 | 88 | 82 | 71 | 59 | 49 |
| Avg low °F | 27 | 30 | 37 | 47 | 57 | 65 | 69 | 67 | 60 | 48 | 37 | 30 |
| Precip in | 4.2 | 4.7 | 5.1 | 5.2 | 5.8 | 4.4 | 4.6 | 4.2 | 3.6 | 3.7 | 3.8 | 5.1 |
NOAA 1991–2020 climate normals from the nearest station: PORTLAND SEWAGE PLT (1.8 mi) · NOAA NCEI
Places in ZIP 37148
- 13 schools
- 1 hospitals & clinics
- 7 restaurants & cafés
- 5 parks
- 3 playgrounds
- 1 libraries
- 1 post offices
- 23 places of worship
- 8 gas stations
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