ZIP Code 37742

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Source:

Greenback · Loudon County · Tennessee

Population
5,837

45/sq mi

Median income
$88,983

▲ 17% vs US

higher than 72% of US ZIPs

Median home value
$301,800

▲ 9% vs US

higher than 67% of US ZIPs

Bachelor's or higher
15.2%

Median age 42.2

Land area
128.9 sq mi

New York

ZIP code 37742 in Greenback, Tennessee has a population of 5,837. The median household income is $88,983, which is 17% above the national average. Median home value is $301,800, 9% above the US average. 15.2% of residents hold a bachelor's degree or higher.

ZIP code 37742 is classified by USPS as a standard delivery area and covers roughly 128.9 square miles in Greenback, Loudon County, Tennessee. The area is home to 5,837 residents, producing a population density of 45 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 37742 against Tennessee and the nation.

On the economic side, the median household income for ZIP 37742 sits at $88,983 (34% above the Tennessee average), while per-capita income is $40,000. The poverty rate stands at 8.2% and the unemployment rate at 2.8%. On housing, the median home value is $301,800 (22% above the state average) with median rent at $1,054 per month, and 91.9% of occupied units are owner-occupied, a direct signal of whether 37742 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 15.2% of adults hold a bachelor's degree or higher, the median age is 42.2, and the average commute is 30 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Loudon County, so you can benchmark 37742 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 37742

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 37742.

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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 37742, Greenback, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

5,837

Population

128.9

Area (sq mi)

45

People / sq mi

New York

Time Zone

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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 37742?

42.2

Median Age

53.0%

Male

47.0%

Female

0.4%

Foreign-Born

White 97.8%
African American 0.1%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.5%
Hispanic or Latino 0.4%

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?

$88,983

Median Household Income

+34% vs state

$40,000

Per Capita Income

8.2%

Poverty Rate

2.8%

Unemployment Rate

30.1 min

Mean Commute Time

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

What is the education profile here?

High School Graduate or Higher 57.6%
Bachelor's Degree or Higher 15.2%

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

What does housing look like?

2,877

Total Housing Units

2,662

Occupied Units

215

Vacant Units

2.65

Avg Household Size

Occupancy Type

Owner 91.9%
Renter 8.1%

$301,800

Median Home Value

+22% vs state

$1,054

Median Rent

1993

Median Year Built

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

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

+1.3%

YoY Change (2024)

328

HPI Index (2000 = 100)

+228%

Total Change Since 2000

Home values in ZIP 37742 have increased 1.3% over the past year (2024). Since 2000, this ZIP has seen +228% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.0% 184
2021 +14.9% 211
2022 +31.5% 278
2023 +16.4% 323
2024 +1.3% 328

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 52 business establishments in ZIP 37742, employing approximately 281 people with a combined annual payroll of $9,604,000.

52

Businesses

281

Employees

$9.6M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 11 21.1%
Other services (except public administration) 8 15.4%
Retail trade 6 11.5%
Administrative and support and waste management and remediation services 6 11.5%
Manufacturing 4 7.7%
Professional, scientific, and technical services 4 7.7%

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 37742 vs 37801 →

ZIP Code City Population Distance
37801 Maryville, TN 25,124 5.2 mi
37737 Friendsville, TN 5,785 6.6 mi
37772 Lenoir City, TN 11,146 8.1 mi

More ZIP Codes in Loudon County

Frequently Asked Questions

What county is ZIP code 37742 in?
ZIP code 37742 (Greenback) is located in Loudon County, Tennessee. Loudon County contains multiple ZIP codes, see the full list at /counties/loudon-tn.
What is the population of ZIP code 37742?
ZIP code 37742 in Greenback, TN has a population of 5,837 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37742?
The median household income in ZIP 37742 is $88,983, which is 17% above the national average of $76,288.
What is the average home value in ZIP 37742?
The median home value in ZIP 37742 is $301,800, which is 9% above the national average of $278,155.
What is the demographic makeup of ZIP 37742?
The largest racial group in ZIP 37742 is White at 97.8%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 37742?
ZIP code 37742 has 52 business establishments employing approximately 281 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37742?
The top industries by establishment count in ZIP 37742 are: Construction (11), Other services (except public administration) (8), Retail trade (6). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 37742?
According to the FHFA House Price Index, home values in ZIP 37742 increased by 1.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 228%. 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 37742?
In ZIP code 37742, 57.6% of residents aged 25+ have a high school diploma or higher, and 15.2% 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 37742?
The mean commute time for workers in ZIP code 37742 is 30.1 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 37742?
In ZIP code 37742, approximately 91.9% of occupied housing units are owner-occupied and 8.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37742?
The poverty rate in ZIP code 37742 is 8.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Greenback, TN

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.