Zip Code 37148 - Portland TN Map, Data, Demographics And More

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ZIP Code 37148 - Portland Tennessee

Overview

ZIP Code 37148 is located in Portland Tennessee. Portions of 37148 are also in New Deal and Graball and Mitchellville and Orlinda and Oak Grove (Sumner County). 37148 is primarily within Sumner County, with some portions in Robertson County. Regionally, 37148 is located in Metro Nashville.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 37148 Quick Stats

ZIP Code NamePortland
Primary CountySumner County
ZIP Code TypeStandard
Population (2022)25,029
Area Code(s)615 / 629
Current TimeCST

ZIP Code 37148 Map

37148 Demographics

37148 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Tennessee based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 37148 is White. The majority race/ethnicity attending public schools in 37148 is White. The current unemployment level in 37148 is 4.4%.

Population25,029
Population Growth Rate4.06%
Population Density185 People per Square Mile
Total Households8,101
Percentage High Income Households0.5%
Median Household Income (2021)$62,927
Average Adjusted Gross Income (2021)$528,890
Current Unemployment Rate (September 2025)4.4%
Sales Tax Rate (2025)9.8%
Majority Race/EthnictyWhite - 91.31%
Public School Majority Race/EthnictyWhite - 80.88%

37148 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White23,01591.31%
Black5692.26%
Hispanic1,5005.95%
Asian650.26%
Native American560.22%
Hawaiian/Pac. Islander00%

37148 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White2,93183.34%
Black1805.12%
Hispanic36510.38%
Asian260.74%
Native American120.34%
Hawaiian/Pac. Islander30.09%

37148 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,46612.04%
Bachelor Degree1,35911.16%
High School Diploma4,19734.46%
No High School Diploma3162.59%
GED or Alternate1,0498.61%
1 or More Years of College2,17917.89%
Associates Degree1,0918.96%
Masters Degree4223.47%
Professional Degree600.49%
Doctorate Degree390.32%

37148 Geography

Coordinates36.57574081,-86.50222015
Adjacent ZIP Codes37022, 37048, 37049, 37066, 37141, 37186, 42120, 42134
Cities/Towns in 37148New Deal, Graball, Mitchellville, Orlinda, Oak Grove (Sumner County)
RegionMetro Nashville
Metropolitan/Micropolitan Stat AreaNashville-Davidson--Murfreesboro--Franklin, TN
Time ZoneCentral Standard Time
IANA TimezoneAmerica/Chicago
Area135 Square Miles

37148 Schools

School Districts in 37148
  • Sumner County School District
  • Robertson County School District
Elementary Schools in 37148
  • Watt Hardison Elementary School
  • Portland Gateview Elementary School
  • Wiseman Elementary School
  • Clyde Riggs Elementary School
  • North Sumner Elementary School
Middle Schools in 37148
  • Portland West Middle School
  • Portland East Middle School
  • Shafer Middle School
  • Westmoreland Middle School
  • White House Middle School
High Schools in 37148
  • Portland High School
  • East Robertson High School
  • Gallatin High School
  • Westmoreland High School
  • White House High School

37148 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion71e - Western Pennyroyal Karst Plain

37148 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)26293746566468665947392947
Avg Max Temp (°F)43485968768488878170584768
Avg Precip (In.)4.164.135.434.25.434.574.43.473.783.314.665.0452.59

Related Maps and Data:

  1. Tennessee Regions Map
  2. Metro Nashville ZIP Code List
  3. Nashville-Davidson--Murfreesboro--Franklin, TN ZIP Code List
  4. Portland Tennessee ZIP Code Map
  5. Robertson County Tennessee ZIP Code Map
  6. Sumner County Tennessee ZIP Code Map
  7. Tennessee Area Code Map
  8. Tennessee Unemployment Rate Heat Map
  9. Tennessee ZIP Code List
  10. Tennessee ZIP Codes

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