ZIP code 37618: Bluff City, TN
37618 is a ZIP code in Bluff City, Tennessee, mainly in Sullivan County, part of the Kingsport-Bristol, TN-VA metro area. About 12,548 people live here.
- Population
- 12,548
- Median household income
- $63,851
- Typical home value
- $280,800+2.9% in 12 months
- Median rent
- $920gross, per month
- Median age
- 45.1
- Homeowners
- 81.6%of occupied homes
Shaded: ZIP code 37618's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 37618 details
| City | Bluff City |
|---|---|
| State | Tennessee |
| County | Sullivan County |
| Metro area | Kingsport-Bristol, TN-VA |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 69.3 sq mi, plus 0.7 sq mi of water |
| Population density | 181 people per sq mi |
| Bachelor's degree or higher | 18.9% of adults 25+ |
| Average commute | 25.3 minutes |
| Center coordinates | 36.46034, -82.20874 |
Median rent in 37618 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $672/mo |
| 2 bedrooms | $925/mo |
| 3 bedrooms | $962/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 37618
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 37621 | Bristol, TN | 4.3 mi | — |
| 37699 | Piney Flats, TN | 6.0 mi | — |
| 37694 | Watauga, TN | 6.6 mi | 1,729 |
| 37644 | Elizabethton, TN | 7.7 mi | — |
| 37643 | Elizabethton, TN | 7.9 mi | 34,120 |
| 37686 | Piney Flats, TN | 7.9 mi | 9,495 |
| 37620 | Bristol, TN | 8.9 mi | 38,494 |
| 37625 | Bristol, TN | 9.4 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 37618?
A typical home in ZIP code 37618 is worth about $280,800 (Zillow Home Value Index). The median household here earns $63,851 a year. See what buying here would cost per month, with Tennessee average taxes and insurance filled in.
Monthly payment for a $280,800 homeWhat can a $63,851 income afford?Rental property numbers
About ZIP code 37618
What city is ZIP code 37618?
ZIP code 37618 is in Bluff City, TN, in Sullivan County.
What county is ZIP code 37618 in?
37618 is mainly in Sullivan County, Tennessee.
What is the population of ZIP code 37618?
About 12,548 people live in ZIP code 37618, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 37618 in?
37618 is in Eastern Time (UTC−5). It observes daylight saving time.