37148 ZIP Code — Portland, TN
Sumner County, Tennessee
ZIP code 37148 is located in Portland, Tennessee, within Sumner County. It covers approximately 131.85 square miles and serves a population of 25,029 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 615.
About ZIP code 37148
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $251,000. Owner-occupancy sits near the national average at 73%.
Median household income is $72,141.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.
College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (26%) compared to national benchmarks.
25,029
population
131.85
sq mi land
Standard
ZIP type
Central (CT)
timezone
37148 ZIP code map
Cities in ZIP code 37148
Below are the cities the US Postal Service accepts for ZIP code 37148. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Portland | Preferred |
Nearby ZIP codes
37048 Cottontown (5.7 mi)
37049 Cross Plains (9.1 mi)
37188 White House (9.5 mi)
37141 Orlinda (10.3 mi)
37066 Gallatin (12.3 mi)
42134 Franklin (13.3 mi)
37022 Bethpage (13.8 mi)
37075 Hendersonville (15.2 mi)
37186 Westmoreland (15.6 mi)
42120 Adolphus (17.5 mi)
37073 Greenbrier (17.7 mi)
37031 Castalian Springs (18.3 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 25,029 |
| Population density | 190 / sq mi |
| State FIPS | 47 |
| County FIPS | 165 |
| Geography | |
|---|---|
| Land area | 131.85 sq mi |
| Water area | 0.19 sq mi |
| Latitude | 36.5578 |
| Longitude | -86.5294 |
| Timezone | Central (CT) |
| Area code | 615 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.8% | 35.2% | 45.7% |
| $50k – $100k | 37.6% | 34.1% | 30.9% |
| $100k – $200k | 18.9% | 24.4% | 18.3% |
| Over $200k | 1.7% | 6.4% | 5.1% |
Demographics & statistics
25,029
Population
190
People per sq mi
36.3
Median age
$72,141
Median household income
$30,052
Per capita income
$251,000
Median home value
$975
Median monthly rent
73.3%
Home ownership
10.4%
Poverty rate
3.7%
Unemployment
7,519
Housing units
14.4%
Bachelor's or higher
Age distribution
Male
Female
878
Under 5
907
846
5–9
875
831
10–14
860
926
15–19
958
774
20–24
800
1,589
25–34
1,644
1,760
35–44
1,820
1,626
45–54
1,682
789
55–59
816
670
60–64
692
1,124
65–74
1,162
405
75–84
419
87
85+
89
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,558 | 26.2% |
| 18 and over | 18,471 | 73.8% |
| 65 and over | 3,286 | 13.1% |
| Median age | 36.3 years | |
Race & ethnicity
White
88.2%
Hispanic or Latino
3.5%
Black or African American
3.1%
Other race
2.5%
Two or more races
2.2%
Asian
0.2%
American Indian / Alaska Native
0.2%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 22,889 | 88.2% |
| Hispanic or Latino | 912 | 3.5% |
| Black or African American | 814 | 3.1% |
| Other race | 641 | 2.5% |
| Two or more races | 558 | 2.2% |
| Asian | 52 | 0.2% |
| American Indian / Alaska Native | 42 | 0.2% |
| Native Hawaiian / Pacific Islander | 33 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.8% | 35.2% | 45.7% |
| $50k – $100k | 37.6% | 34.1% | 30.9% |
| $100k – $200k | 18.9% | 24.4% | 18.3% |
| Over $200k | 1.7% | 6.4% | 5.1% |
Under $10k
2.9%
$10k–$15k
3.6%
$15k–$25k
8.8%
$25k–$35k
7.6%
$35k–$50k
11.2%
$50k–$75k
17.7%
$75k–$100k
18.1%
$100k–$150k
20.9%
$150k–$200k
6.6%
$200k+
2.7%
| Range | % of households |
|---|---|
| Under $10k | 2.9% |
| $10k–$15k | 3.6% |
| $15k–$25k | 8.8% |
| $25k–$35k | 7.6% |
| $35k–$50k | 11.2% |
| $50k–$75k | 17.7% |
| $75k–$100k | 18.1% |
| $100k–$150k | 20.9% |
| $150k–$200k | 6.6% |
| $200k+ | 2.7% |
| Median income | $72,141 |
Housing
Home values
Under $50k
2.7%
$50k–$100k
6.7%
$100k–$150k
10.5%
$150k–$200k
14.6%
$200k–$300k
28.8%
$300k–$500k
27.7%
$500k–$1M
8.3%
$1M+
0.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $251,000 |
| Median rent / month | $975 |
| Owner occupied | 73.3% |
| Renter occupied | 26.7% |
| Vacant | 7.9% |
| Single-family detached | 77.4% |
| Large apartment buildings | 0.8% |
| Mobile homes | 12.2% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.73 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.0% |
| 2010–2019 | 12.2% |
| 2000–2009 | 22.1% |
| 1990–1999 | 24.9% |
| 1980–1989 | 12.5% |
| 1970–1979 | 8.8% |
| 1960–1969 | 7.1% |
| 1950–1959 | 3.7% |
| 1940–1949 | 2.0% |
| 1939 or earlier | 5.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.4% |
| 1 bedroom | 3.6% |
| 2 bedrooms | 21.8% |
| 3 bedrooms | 61.7% |
| 4 bedrooms | 9.1% |
| 5+ bedrooms | 3.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.0% |
| 1 vehicle | 23.9% |
| 2 vehicles | 38.3% |
| 3 or more | 34.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 33.7% |
| Electricity | 60.0% |
| Propane / LP gas | 3.7% |
| Fuel oil | 0.3% |
| Wood | 1.4% |
| No fuel used | 0.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,191 | 56.5% |
| Cohabiting couple | 761 | 8.3% |
| Male householder, no spouse | 1,362 | 14.8% |
| Female householder, no spouse | 1,877 | 20.4% |
| Households with children under 18 | 3,609 | 39.3% |
| Households with seniors (65+) | 2,328 | 25.3% |
| Average household size | 2.71 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.1% | 22.6% |
| Married | 55.5% | 53.5% |
| Separated | 1.8% | 2.4% |
| Widowed | 2.4% | 7.7% |
| Divorced | 11.2% | 13.9% |
Education
Less than 9th grade
4.3%
Some HS, no diploma
9.5%
HS graduate
41.5%
Some college, no degree
22.3%
Associate's degree
8.0%
Bachelor's degree
10.0%
Graduate / professional
4.4%
| Metric | % |
|---|---|
| HS diploma or higher | 86.2% |
| Bachelor's or higher | 14.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 184 | 3.3% |
| Kindergarten | 341 | 6.1% |
| Elementary school | 2,685 | 47.9% |
| High school | 1,642 | 29.3% |
| College / grad school | 755 | 13.5% |
Employment
Industry of employment
Education & healthcare
19.8%
Manufacturing
16.6%
Retail trade
11.1%
Construction
9.7%
Transportation & utilities
9.6%
Professional & management
8.5%
Arts, food & hospitality
7.9%
Finance & real estate
4.9%
Public administration
4.5%
Other services
4.0%
Wholesale trade
2.3%
Agriculture & mining
0.6%
Information
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.9% |
| Service | 12.5% |
| Sales & office | 21.9% |
| Natural resources & construction | 12.6% |
| Production & transportation | 23.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.4% |
| Government | 13.9% |
| Self-employed | 6.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.4% |
| Carpool | 11.6% |
| Public transit | 0.0% |
| Walk | 0.6% |
| Work from home | 7.0% |
| Other means | 2.5% |
| Avg commute (minutes) | 30.0 |
Poverty
All people
10.4%
Under 18 years
12.2%
18 and over
9.8%
Married-couple families
3.4%
Female-led households
18.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.4% |
| Retirement income | 18.6% |
| Supplemental Security | 4.9% |
| Cash public assistance | 2.7% |
| Food stamps / SNAP | 10.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 38.6% |
| High blood pressure | 35.2% |
| High cholesterol | 33.2% |
| Diabetes | 11.2% |
| Heart disease | 6.6% |
| Stroke | 3.1% |
| Asthma | 10.7% |
| Arthritis | 27.4% |
| Kidney disease | 2.8% |
| Pulmonary disease | 8.7% |
| Cancer | 6.0% |
| Behavior / access | % |
|---|---|
| Smoking | 26.2% |
| Binge drinking | 15.6% |
| No physical activity | 27.5% |
| Less than 7 hrs sleep | 33.4% |
| Depression | 27.8% |
| Fair or poor health | 16.6% |
| Poor mental health | 18.1% |
| Poor physical health | 11.8% |
| No health insurance | 17.7% |
| Visited doctor (checkup) | 72.0% |
| Visited dentist | 56.2% |
| Cholesterol screening | 88.4% |
| Teeth loss | 18.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,393 | 7.6% |
| Disability | % |
|---|---|
| Any disability | 13.0% |
| Under 18 | 5.2% |
| 18–64 years | 11.5% |
| 65 and over | 36.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 66.3% |
| Public insurance | 31.8% |
| No insurance | 11.4% |
| Uninsured under 19 | 7.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 23,244 | 92.9% |
| Spanish | 353 | 1.5% |
| Other Indo-European | 323 | 1.4% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 30 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 24,451 | 97.7% |
| Born in same state | 24,204 | 96.7% |
| Born in different state | 15,945 | 63.7% |
| Foreign born | 247 | 1.0% |
| Naturalized citizen | 578 | 2.3% |
| Not a US citizen | 119 | 20.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 5,063 | 20.2% |
| French | 3,310 | 13.2% |
| Italian | 2,181 | 8.7% |
| English | 231 | 0.9% |
| Polish | 153 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| German | 101 | 0.4% |
| Dutch | 24 | 0.1% |
| Norwegian | 16 | 0.1% |
| Irish | 11 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 36.7% |
| Internet access | 95.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 37148
What city is ZIP code 37148 in?
ZIP code 37148 is primarily assigned to Portland, Tennessee.
What county is ZIP code 37148 in?
ZIP code 37148 falls within Sumner County, Tennessee.
How educated is the population of ZIP code 37148?
14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the population of ZIP code 37148?
ZIP code 37148 has an estimated population of 25,029 residents, with a density of 190 people per square mile.
What is the median household income in ZIP code 37148?
The median household income in ZIP code 37148 is $72,141, below the national median of ~$75,000.
What is the typical home value in ZIP code 37148?
The median home value in ZIP code 37148 is $251,000.
What timezone is ZIP code 37148 in?
ZIP code 37148 observes the CST timezone.