37709 ZIP Code — Blaine, TN

Grainger County, Tennessee

ZIP code 37709 is located in Blaine, Tennessee, within Grainger County. It covers approximately 41.51 square miles and serves a population of 3,746 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 865.

About ZIP code 37709

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $204,300. Owner-occupancy sits near the national average at 70%.

The gap between median ($56,830) and mean household income suggests income inequality — a small number of higher earners pull the average up. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (25%) compared to national benchmarks.

Overall, ZIP code 37709 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

3,746

population

41.51

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37709 ZIP code map

Cities in ZIP code 37709

Below are the cities the US Postal Service accepts for ZIP code 37709. Using any city not on this list may result in mail delivery delays.

City	Status
Blaine	Preferred

Nearby ZIP codes

37779 Luttrell (6.6 mi) 37806 Mascot (6.6 mi) 37820 New Market (7.9 mi) 37871 Strawberry Plains (8.6 mi) 37721 Corryton (8.9 mi) 37861 Rutledge (9.6 mi) 37888 Washburn (10 mi) 37807 Maynardville (11.4 mi) 37924 Knoxville (11.8 mi) 37760 Jefferson City (12.6 mi) 37764 Kodak (13.8 mi) 37877 Talbott (14.3 mi)

Demographics updated 05/2026

Population
Total population	3,746
Population density	90 / sq mi
State FIPS	47
County FIPS	057

Geography
Land area	41.51 sq mi
Water area	0.48 sq mi
Latitude	36.1697
Longitude	-83.6609
Timezone	Eastern (ET)
Area code	865

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.2%	56.2%	45.7%
$50k – $100k	37.6%	31.4%	30.9%
$100k – $200k	17.9%	10.3%	18.3%
Over $200k	2.3%	2.1%	5.1%

Demographics & statistics

3,746

Population

People per sq mi

41.9

Median age

$56,830

Median household income

$36,829

Per capita income

$204,300

Median home value

$853

Median monthly rent

70.1%

Home ownership

15.3%

Poverty rate

6.7%

Unemployment

1,204

Housing units

18.8%

Bachelor's or higher

Age distribution

Male Female

115

Under 5

139

5–9

112

117

10–14

118

15–19

20–24

280

25–34

224

256

35–44

205

332

45–54

266

184

55–59

148

60–64

229

65–74

184

109

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	845	22.6%
18 and over	2,901	77.4%
65 and over	668	17.8%
Median age	41.9 years

Race & ethnicity

White 89.4%

Two or more races 4.5%

Hispanic or Latino 3.3%

Black or African American 2.6%

Other race 0.3%

Group	Count	%
White	3,461	89.4%
Two or more races	174	4.5%
Hispanic or Latino	126	3.3%
Black or African American	101	2.6%
Other race	10	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.2%	56.2%	45.7%
$50k – $100k	37.6%	31.4%	30.9%
$100k – $200k	17.9%	10.3%	18.3%
Over $200k	2.3%	2.1%	5.1%

Under $10k 6.9%

$10k–$15k 5.1%

$15k–$25k 8.6%

$25k–$35k 13.5%

$35k–$50k 8.5%

$50k–$75k 16.8%

$75k–$100k 8.9%

$100k–$150k 25.3%

$150k–$200k 3.6%

$200k+ 2.8%

Range	% of households
Under $10k	6.9%
$10k–$15k	5.1%
$15k–$25k	8.6%
$25k–$35k	13.5%
$35k–$50k	8.5%
$50k–$75k	16.8%
$75k–$100k	8.9%
$100k–$150k	25.3%
$150k–$200k	3.6%
$200k+	2.8%
Median income	$56,830

Housing

Home values

Under $50k 6.1%

$50k–$100k 8.9%

$100k–$150k 15.4%

$150k–$200k 18.7%

$200k–$300k 17.6%

$300k–$500k 24.7%

$500k–$1M 6.8%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$204,300
Median rent / month	$853
Owner occupied	70.1%
Renter occupied	29.9%
Vacant	10.1%
Single-family detached	68.2%
Large apartment buildings	1.7%
Mobile homes	20.8%
Median rooms	5.5
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	3.2%
2010–2019	12.8%
2000–2009	18.0%
1990–1999	30.0%
1980–1989	10.9%
1970–1979	7.4%
1960–1969	5.7%
1950–1959	3.9%
1940–1949	0.5%
1939 or earlier	7.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.3%
2 bedrooms	27.2%
3 bedrooms	55.8%
4 bedrooms	12.8%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	19.5%
2 vehicles	38.4%
3 or more	36.8%

Heating fuel

Fuel type	%
Utility gas	0.3%
Electricity	87.4%
Propane / LP gas	5.4%
Wood	6.6%

Households & families

Household type	Count	%
Married-couple family	790	53.4%
Cohabiting couple	71	4.8%
Male householder, no spouse	332	22.4%
Female householder, no spouse	287	19.4%
Households with children under 18	453	30.6%
Households with seniors (65+)	502	33.9%
Average household size	2.53

Marital status

Status	Male	Female
Never married	28.5%	12.5%
Married	50.7%	58.9%
Separated	1.0%	2.6%
Widowed	3.7%	11.1%
Divorced	16.1%	14.8%

Education

Less than 9th grade 2.5%

Some HS, no diploma 4.2%

HS graduate 52.2%

Some college, no degree 16.1%

Associate's degree 6.1%

Bachelor's degree 11.5%

Graduate / professional 7.3%

Metric	%
HS diploma or higher	93.3%
Bachelor's or higher	18.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	2.4%
Kindergarten	38	4.6%
Elementary school	380	45.6%
High school	251	30.1%
College / grad school	144	17.3%

Employment

Industry of employment

Education & healthcare 24.3%

Manufacturing 17.8%

Retail trade 12.8%

Professional & management 12.4%

Construction 10.0%

Transportation & utilities 6.5%

Other services 3.9%

Arts, food & hospitality 3.3%

Wholesale trade 3.2%

Public administration 3.0%

Finance & real estate 2.6%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	32.9%
Service	15.0%
Sales & office	22.4%
Natural resources & construction	7.6%
Production & transportation	22.0%

Employment type

Type	%
Private sector	78.9%
Government	12.3%
Self-employed	8.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.0%
Carpool	10.3%
Public transit	0.0%
Walk	0.0%
Work from home	4.7%
Other means	0.0%
Avg commute (minutes)	33.5

Poverty

All people 15.3%

Under 18 years 21.3%

18 and over 13.7%

Married-couple families 3.2%

Female-led households 53.4%

Income support

Source	% of households
Social Security	39.3%
Retirement income	21.1%
Supplemental Security	4.1%
Cash public assistance	2.4%
Food stamps / SNAP	11.9%

Health indicators

Condition	%
Obesity	37.3%
High blood pressure	38.7%
High cholesterol	36.0%
Diabetes	12.4%
Heart disease	7.5%
Stroke	3.5%
Asthma	10.3%
Arthritis	30.7%
Kidney disease	3.1%
Pulmonary disease	9.6%
Cancer	6.8%

Behavior / access	%
Smoking	24.5%
Binge drinking	14.4%
No physical activity	26.4%
Less than 7 hrs sleep	35.0%
Depression	27.1%
Fair or poor health	17.2%
Poor mental health	17.0%
Poor physical health	12.3%
No health insurance	16.1%
Visited doctor (checkup)	74.5%
Visited dentist	54.0%
Cholesterol screening	90.3%
Teeth loss	18.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	250	8.6%

Disability	%
Any disability	19.3%
Under 18	5.4%
18–64 years	18.1%
65 and over	40.7%

Health insurance coverage

Type	%
Private insurance	63.9%
Public insurance	39.1%
No insurance	12.1%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,538	94.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,714	99.1%
Born in same state	3,714	99.1%
Born in different state	2,887	77.1%
Foreign born	0	0.0%
Naturalized citizen	32	0.9%
Not a US citizen	32	100.0%

Ancestry

Ancestry	Count	%
Arab	1,162	31%
French	455	12.1%
Italian	267	7.1%

Ancestry	Count	%
Irish	79	2.1%
Polish	5	0.1%

Technology access

Metric	% of households
Computer access	39.5%
Internet access	91.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 37709

What city is ZIP code 37709 in?

ZIP code 37709 is primarily assigned to Blaine, Tennessee.

What county is ZIP code 37709 in?

ZIP code 37709 falls within Grainger County, Tennessee.

What is the poverty rate in ZIP code 37709?

15% of residents in ZIP code 37709 live below the poverty line, above the national average.

Does ZIP code 37709 have a large retiree population?

39% of households in ZIP code 37709 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 37709?

ZIP code 37709 has an estimated population of 3,746 residents, with a density of 90 people per square mile.

What is the typical home value in ZIP code 37709?

The median home value in ZIP code 37709 is $204,300.

What timezone is ZIP code 37709 in?

ZIP code 37709 observes the EST timezone.