US ZIP Code
37709

Blaine, TN

Grainger County  ·  Tennessee

● Active
👥 3,948 Population ↓ 3% since 2019
💰 $61,509 Median HH Income
▼ 19% below avg ↑ 14% since 2019
🎂 39.8 Median Age ↓ 3% since 2019
🏠 $238,600 Median Home Value
▼ 14% below avg ↑ 53% since 2019
🎓 25.8% College Grads
▼ 33% below avg
📊 5.5% Unemployment
▲ 13% above avg ↓ 5% since 2019
ZIP Code Details
ZIP Code37709
CityBlaine
StateTennessee (TN)
CountyGrainger County
Area Code865
Elevation1,239 ft
Latitude36.166501
Longitude-83.665
TimezoneChicago (DST)
FIPS47057
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 53.5% (2,112) Female 46.5% (1,836) ♀

Race & Ethnicity

White: 93.5%Hispanic: 1.7%Asian: 0.5%Other: 3.9%Race
White93.5%
Hispanic1.7%
Asian0.5%
Other3.9%

Age Breakdown

Under 5
6%
5–17
18%
18–24
8%
25–44
22%
45–64
28%
65+
8%

Key Indicators

Median Age39.8 yrs ↓ 3% since 2019
Avg Household Size2.67
Below Poverty14.5% ▲ 45% above avg
College Grads25.8% ▼ 33% below avg
Unemployment5.5% ▲ 13% above avg
No HS Diploma16 (0.7%)
HS Graduate1,193 (49.3%)
Some College368 (15.2%)
Associates218 (9%)
Bachelors165 (6.8%)
Graduate Degree460 (19%)

Education

No HS: 0.7%HS Grad: 49.3%Some College: 15.2%Associates: 9%Bachelors: 6.8%Graduate: 19%Edu
No HS0.7%
HS Grad49.3%
Some College15.2%
Associates9.0%
Bachelors6.8%
Graduate19.0%
Housing & Income

Housing Tenure

Owner: 77.2%Renter: 22.8%Tenure
Owner77.2%
Renter22.8%

Home Value Distribution

Under $50k
3%
$50k–100k
10%
$100k–150k
15%
$150k–200k
18%
$200k–300k
14%
$300k–500k
30%
Over $500k
11%

Financials

Median HH Income$61,509 ▼ 19% below avg ↑ 14% since 2019
Median Home Value$238,600 ▼ 14% below avg ↑ 53% since 2019
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$911/mo ↑ 20% since 2019
Total Units1,613
Vacant Units136
Avg HH Size2.67

Income Distribution

Under $25k
20%
$25k–50k
17%
$50k–75k
17%
$75k–100k
12%
$100k–150k
26%
$150k–200k
4%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
87%
Walked
0%
Work From Home
13%

Commute Time

Under 15 min
15%
15–30 min
25%
30–45 min
30%
Over 45 min
30%
Housing Stock

Year Built

1940s–1950s
5%
1960s–1970s
8%
1980s–1990s
25%
2000+
63%

Summary

Total Units1,613
Vacant136
Owner Occupied77.2%
Renter Occupied22.8%
Avg HH Size2.67
Frequently Asked Questions
ZIP code 37709 is in Blaine, TN, in Grainger County.
ZIP code 37709 is located in Tennessee (TN).
ZIP code 37709 is in Grainger County, TN.
ZIP 37709 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 37709 is 3,948 people (ACS 2023).
The median household income in ZIP code 37709 is $61,509 (ACS 2023).
The median home value in ZIP 37709 is $238,600 (ACS 2023).
About ZIP Code 37709

ZIP code 37709 is located in Blaine, Tennessee, within Grainger County. With a population of 3,948, this is a sparsely populated ZIP code with a middle-aged community — the median age is 39.8 years. Economically, 37709 is a solidly middle-class ZIP code: the median household income of $61,509 is below the national average.

Real estate in ZIP code 37709 represents an affordable housing market. The median home value of $238,600 is near the national average. Renters can expect to pay around $911 per month in median rent. Homeownership is strong here — 77.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 53% since 2019.

The population of 37709 is primarily White (93.54%). Residents are moderately educated — 25.8% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 14.5%. Household income has grown by 14% since 2019.

The unemployment rate in 37709 stands at 5.5%, which is near the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.

Overall, ZIP code 37709 in Blaine, TN is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 3,948 residents, a median household income of $61,509, and a median home value of $238,600, it offers a clear picture of life in this part of Tennessee.