Blaine ZIP Codes — Grainger County, TN

There is one unique ZIP code in Blaine, Tennessee and it is 37709. Area code: 865.

ZIP codes

41.51

sq mi land

0.48

sq mi water

865

area code

Blaine, TN ZIP code map

About Blaine, TN

Blaine, Tennessee, is a charming small town located in Grainger County. Known for its serene landscapes and close-knit community, it offers a peaceful lifestyle amidst the natural beauty of East Tennessee. The city is characterized by its rural setting and friendly atmosphere, making it an inviting place for both residents and visitors.

Location & geography

Blaine is situated in the northeastern part of Tennessee, nestled within Grainger County. It is approximately 20 miles northeast of Knoxville and around 7 miles west of Rutledge, making it accessible to larger urban areas while maintaining its rural charm. The town spans a land area of 41.51 square miles, with a small water area of 0.48 square miles, featuring gentle hills and lush greenery.

Community & economy

The community in Blaine embodies Southern hospitality, with residents often participating in local events and gatherings that foster a strong sense of togetherness. The town's economy is primarily supported by agriculture, small businesses, and some light manufacturing, reflecting the area's reliance on its rich natural resources. Daily life in Blaine is characterized by a slower pace, allowing residents to enjoy the outdoors and the close connections they have with their neighbors.

Transportation

Blaine is accessible via several major highways, including Highway 11W, which provides easy travel to nearby towns and cities. The closest significant airport is McGhee Tyson Airport in Knoxville, located about 30 miles to the southwest. Public transit options are limited, so most residents rely on personal vehicles for daily commuting.

History

Blaine was established in the mid-19th century and has historically been rooted in agriculture and farming. Over the years, the town has witnessed key developments that shaped its local economy, including the growth of small businesses catering to the needs of the community. Notable events in Blaine's history reflect the resilience and spirit of its residents, especially during economic challenges.

Did you know?

One surprising fact about Blaine is that it is home to several beautiful hiking trails that attract outdoor enthusiasts from the region. Despite its small size, the town has a rich cultural heritage with influences from both Native American and early settler history.

ZIP codes for Blaine, TN (1)

ZIP code	City	County	Map
37709	Blaine	Grainger	View map

Demographics & statistics

3,746

Population

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

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%
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	%
High blood pressure	38.7%
High cholesterol	36.0%
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	%
Binge drinking	14.4%
No physical activity	26.4%
Less than 7 hrs sleep	35.0%
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%
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

What ZIP codes does Blaine, TN have?

Blaine, TN has one ZIP code: 37709. Each ZIP code serves a distinct delivery area within the city and surrounding region.