PlainZIP

Blaine, TN · standard

ZIP Code 37709

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

3,732
33/sq mi
$75,799
Median income
$274,500
Median home value
18.1%
Bachelor's or higher

The verdict

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

Top 44%
household income, US ZIPs
Top 38%
home value, US ZIPs
33
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37709 against every reporting US ZIP.

ZIP code 37709 covers 113.4 square miles in Blaine, Grainger County, Tennessee (a standard USPS delivery area), with a modest 3,732 residents on file, a density of 33 people per square mile, in the New York time zone.

ZIP 37709 lands in the middle-income range, with a median household income of $75,799 (14% above the Tennessee average), while per-capita income is $33,898. 11.4% of residents live below the poverty line, and the unemployment rate reads 3.4%. Housing costs here run $274,500 for a typical home value (11% above the state average), with rent averaging $967 a month; 81.5% of homes are owner-occupied.

Educational attainment sits below the national norm: 18.1% of adults hold a bachelor's degree or higher, the median age is 40.1, and the average commute is 31 minutes. To put 37709 in local context, 8 ZIP codes within roughly 10 miles appear further down this page alongside 4 additional ZIPs in Grainger County, for a geography-aware comparison.

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 37709

Top 5 sectors by establishment count in Blaine, TN

Which industries have the most business establishments in ZIP 37709.

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 37709, Blaine, 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

3,732

Population

113.4

Area (sq mi)

33

People / sq mi

New York

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 37709?

40.1

Median Age

51.7%

Male

48.3%

Female

1.7%

Foreign-Born

White 96.8%
African American 1.6%
Asian 0.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.7%
Hispanic or Latino 1.6%

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?

$75,799

Median Household Income

+14% vs state

$33,898

Per Capita Income

11.4%

Poverty Rate

3.4%

Unemployment Rate

31.3 min

Mean Commute Time

How ZIP 37709 ranks nationally

Blaine, TN household income vs. every US ZIP code

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

$75,799 Top 44% higher than 56% 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%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $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 67.4%
Bachelor's Degree or Higher 18.1%

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

What does housing look like?

1,658

Total Housing Units

1,521

Occupied Units

137

Vacant Units

2.75

Avg Household Size

Occupancy Type

Owner 81.5%
Renter 18.5%

$274,500

Median Home Value

+11% vs state

$967

Median Rent

1994

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 51 business establishments in ZIP 37709, employing approximately 476 people with a combined annual payroll of $14,935,000.

51

Businesses

476

Employees

$14.9M

Annual Payroll

5

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 11 21.6%
Construction 9 17.6%
Retail trade 9 17.6%
Accommodation and food services 6 11.8%
Transportation and warehousing 4 7.8%

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 37709 vs 37848 →

ZIP 37709 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 37709 ranks #6 by population - useful context the national average alone can't give.

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

ZIP 37709 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 37709 ranks #2 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
37848 Powder Springs, TN 246 5.0 mi
37871 Strawberry Plains, TN 9,134 8.0 mi
37779 Luttrell, TN 3,978 6.2 mi
37806 Mascot, TN 2,868 6.6 mi
37721 Corryton, TN 12,733 8.3 mi
37820 New Market, TN 7,495 7.8 mi
37888 Washburn, TN 2,741 10.5 mi
37924 Knoxville, TN 11,259 11.8 mi

More ZIP Codes in Grainger County

37861 standard
Rutledge, TN
Pop: 8,340
37708 standard
Bean Station, TN
Pop: 6,563
37888 standard
Washburn, TN
Pop: 2,741
37848 standard
Powder Springs, TN
Pop: 246

Related Areas

Grainger County Blaine, TN Tennessee

Frequently Asked Questions

What county is ZIP code 37709 in? ▼
ZIP code 37709 (Blaine) is located in Grainger County, Tennessee. Grainger County contains multiple ZIP codes, see the full list at /counties/grainger-tn.
What is the population of ZIP code 37709? ▼
ZIP code 37709 in Blaine, TN has a population of 3,732 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37709? ▼
The median household income in ZIP 37709 is $75,799, which is 1% below the national average of $76,288.
What is the average home value in ZIP 37709? ▼
The median home value in ZIP 37709 is $274,500, which is 1% below the national average of $278,155.
What is the demographic makeup of ZIP 37709? ▼
The largest racial group in ZIP 37709 is White at 96.8%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 37709? ▼
ZIP code 37709 has 51 business establishments employing approximately 476 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37709? ▼
The top industries by establishment count in ZIP 37709 are: Other services (except public administration) (11), Construction (9), Retail trade (9). There are 5 industry sectors represented in total.
What is the education level in ZIP code 37709? ▼
In ZIP code 37709, 67.4% of residents aged 25+ have a high school diploma or higher, and 18.1% 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 37709? ▼
The mean commute time for workers in ZIP code 37709 is 31.3 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 37709? ▼
In ZIP code 37709, approximately 81.5% of occupied housing units are owner-occupied and 18.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37709? ▼
The poverty rate in ZIP code 37709 is 11.4% 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.