US ZIP Code
37686

Piney Flats, TN

Sullivan County  ·  Tennessee

● Active
👥 9,149 Population ↑ 13% since 2019
💰 $84,894 Median HH Income
▲ 11% above avg ↑ 42% since 2019
🎂 45.0 Median Age
🏠 $306,300 Median Home Value
▲ 10% above avg ↑ 76% since 2019
🎓 46.0% College Grads
▲ 19% above avg
📊 2.0% Unemployment
▼ 59% below avg ↑ 24% since 2019
ZIP Code Details
ZIP Code37686
CityPiney Flats
StateTennessee (TN)
CountySullivan County
Area Code423
Elevation1,586 ft
Latitude36.440209
Longitude-82.348811
TimezoneChicago (DST)
FIPS47163
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 53.3% (4,873) Female 46.7% (4,276) ♀

Race & Ethnicity

White: 91.7%Hispanic: 2.3%Black: 1.3%Asian: 3%Other: 1.7%Race
White91.7%
Hispanic2.3%
Black1.3%
Asian3.0%
Other1.7%

Age Breakdown

Under 5
3%
5–17
16%
18–24
11%
25–44
20%
45–64
33%
65+
9%

Key Indicators

Median Age45.0 yrs
Avg Household Size2.63
Below Poverty5.9% ▼ 41% below avg
College Grads46.0% ▲ 19% above avg
Unemployment2.0% ▼ 59% below avg
No HS Diploma162 (2.7%)
HS Graduate1,288 (21.5%)
Some College720 (12%)
Associates1,063 (17.7%)
Bachelors572 (9.5%)
Graduate Degree2,187 (36.5%)

Education

No HS: 2.7%HS Grad: 21.5%Some College: 12%Associates: 17.7%Bachelors: 9.5%Graduate: 36.5%Edu
No HS2.7%
HS Grad21.5%
Some College12.0%
Associates17.7%
Bachelors9.5%
Graduate36.5%
Housing & Income

Housing Tenure

Owner: 77.9%Renter: 22.1%Tenure
Owner77.9%
Renter22.1%

Home Value Distribution

Under $50k
8%
$50k–100k
3%
$100k–150k
6%
$150k–200k
18%
$200k–300k
15%
$300k–500k
25%
Over $500k
25%

Financials

Median HH Income$84,894 ▲ 11% above avg ↑ 42% since 2019
Median Home Value$306,300 ▲ 10% above avg ↑ 76% since 2019
Home/Income Ratio3.6x (nat avg ~3.5x)
Median Rent$1,117/mo ↑ 47% since 2019
Total Units3,790
Vacant Units320
Avg HH Size2.63

Income Distribution

Under $25k
12%
$25k–50k
13%
$50k–75k
18%
$75k–100k
13%
$100k–150k
13%
$150k–200k
15%
Over $200k
16%
Employment & Commute

How People Get to Work

Drove Alone
89%
Walked
1%
Work From Home
10%

Commute Time

Under 15 min
18%
15–30 min
47%
30–45 min
23%
Over 45 min
12%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
3%
1960s–1970s
8%
1980s–1990s
27%
2000+
61%

Summary

Total Units3,790
Vacant320
Owner Occupied77.9%
Renter Occupied22.1%
Avg HH Size2.63
Frequently Asked Questions
ZIP code 37686 is in Piney Flats, TN, in Sullivan County.
ZIP code 37686 is located in Tennessee (TN).
ZIP code 37686 is in Sullivan County, TN.
ZIP 37686 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 37686 is 9,149 people (ACS 2023).
The median household income in ZIP code 37686 is $84,894 (ACS 2023).
The median home value in ZIP 37686 is $306,300 (ACS 2023).
About ZIP Code 37686

ZIP code 37686 is located in Piney Flats, Tennessee, within Sullivan County. With a population of 9,149, this is a lightly populated ZIP code with a mature community — the median age is 45 years. Economically, 37686 is a middle-income ZIP code: the median household income of $84,894 is near the national average.

Real estate in ZIP code 37686 represents a mid-range housing market. The median home value of $306,300 is near the national average. Renters can expect to pay around $1,117 per month in median rent. Homeownership is strong here — 77.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 76% since 2019.

The population of 37686 is primarily White (91.70%). Residents are well-educated — 46.0% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 5.9%. Household income has grown by 42% since 2019.

The unemployment rate in 37686 stands at 2.0%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 85%.

Overall, ZIP code 37686 in Piney Flats, TN is characterized as middle-income, well-educated, a mature community, and predominantly owner-occupied. With 9,149 residents, a median household income of $84,894, and a median home value of $306,300, it offers a clear picture of life in this part of Tennessee.