PlainZIP

Portland, TN · standard

ZIP Code 37148

Sumner County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

22,320
63/sq mi
$81,633
Median income
$295,000
Median home value
15.1%
Bachelor's or higher

The verdict

Portland pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 36%
household income, US ZIPs
Top 34%
home value, US ZIPs
63
people per sq mi
76%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37148 against every reporting US ZIP.

ZIP code 37148 is a densely settled ZIP (a standard USPS delivery area) in Portland, Sumner County, Tennessee, with 22,320 residents across 353.7 square miles, a density of 63 people per square mile, in the Chicago time zone.

ZIP 37148 lands in the middle-income range, with a median household income of $81,633 (23% above the Tennessee average), while per-capita income is $33,493. The poverty rate stands at 10.8% and the unemployment rate at 4.3%. Housing costs here run $295,000 for a typical home value (19% above the state average), with rent averaging $1,122 a month; 75.7% of homes are owner-occupied.

Educational attainment sits below the national norm: 15.1% of adults hold a bachelor's degree or higher, the median age is 37.3, and the average commute is 31 minutes. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Sumner County, so you can benchmark 37148 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 37148

Top 5 sectors by establishment count in Portland, TN

Which industries have the most business establishments in ZIP 37148.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 37148, Portland, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

22,320

Population

353.7

Area (sq mi)

63

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 37148?

37.3

Median Age

51.3%

Male

48.7%

Female

2.6%

Foreign-Born

White 90.2%
African American 2.1%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 4.0%
Hispanic or Latino 5.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$81,633

Median Household Income

+23% vs state

$33,493

Per Capita Income

10.8%

Poverty Rate

4.3%

Unemployment Rate

30.9 min

Mean Commute Time

How ZIP 37148 ranks nationally

Portland, TN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$81,633 Top 36% higher than 64% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.9%
Bachelor's Degree or Higher 15.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

10,180

Total Housing Units

9,436

Occupied Units

744

Vacant Units

2.77

Avg Household Size

Occupancy Type

Owner 75.7%
Renter 24.3%

$295,000

Median Home Value

+19% vs state

$1,122

Median Rent

1996

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.7%

YoY Change (2024)

307

HPI Index (2000 = 100)

+207%

Total Change Since 2000

Home values in ZIP 37148 have increased 5.7% over the past year (2024). Since 2000, this ZIP has seen +207% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.1% 192
2021 +17.0% 224
2022 +22.6% 275
2023 +5.5% 290
2024 +5.7% 307

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 366 business establishments in ZIP 37148, employing approximately 9,523 people with a combined annual payroll of $534,443,000.

366

Businesses

9,523

Employees

$534.4M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Retail trade 57 15.6%
Construction 51 13.9%
Manufacturing 42 11.5%
Health care and social assistance 36 9.8%
Transportation and warehousing 35 9.6%
Administrative and support and waste management and remediation services 30 8.2%
Accommodation and food services 29 7.9%
Other services (except public administration) 26 7.1%
Finance and insurance 18 4.9%
Wholesale trade 14 3.8%
Information 8 2.2%
Professional, scientific, and technical services 7 1.9%
Real estate and rental and leasing 6 1.6%
Arts, entertainment, and recreation 3 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 37148 vs 37048 →

ZIP Code City Population Distance
37048 Cottontown, TN 6,030 7.7 mi

More ZIP Codes in Sumner County

37075 standard
Hendersonville, TN
Pop: 59,256
37066 standard
Gallatin, TN
Pop: 42,758
37186 standard
Westmoreland, TN
Pop: 9,184
37048 standard
Cottontown, TN
Pop: 6,030
37022 standard
Bethpage, TN
Pop: 5,469
37031 standard
Castalian Springs, TN
Pop: 3,712

Related Areas

Sumner County Portland, TN Tennessee

Frequently Asked Questions

What county is ZIP code 37148 in? ▼
ZIP code 37148 (Portland) is located in Sumner County, Tennessee. Sumner County contains multiple ZIP codes, see the full list at /counties/sumner-tn.
What is the population of ZIP code 37148? ▼
ZIP code 37148 in Portland, TN has a population of 22,320 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37148? ▼
The median household income in ZIP 37148 is $81,633, which is 7% above the national average of $76,288.
What is the average home value in ZIP 37148? ▼
The median home value in ZIP 37148 is $295,000, which is 6% above the national average of $278,155.
What is the demographic makeup of ZIP 37148? ▼
The largest racial group in ZIP 37148 is White at 90.2%. Hispanic or Latino residents make up 5.9% of the population.
How many businesses are in ZIP code 37148? ▼
ZIP code 37148 has 366 business establishments employing approximately 9,523 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37148? ▼
The top industries by establishment count in ZIP 37148 are: Retail trade (57), Construction (51), Manufacturing (42). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 37148? ▼
According to the FHFA House Price Index, home values in ZIP 37148 increased by 5.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 207%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 37148? ▼
In ZIP code 37148, 55.9% of residents aged 25+ have a high school diploma or higher, and 15.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 37148? ▼
The mean commute time for workers in ZIP code 37148 is 30.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 37148? ▼
In ZIP code 37148, approximately 75.7% of occupied housing units are owner-occupied and 24.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37148? ▼
The poverty rate in ZIP code 37148 is 10.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.