Sullivan

Source:

Tennessee

Sullivan is a county in Tennessee with 10 ZIP codes and a total population of 165,928. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Sullivan is a county inside Tennessee (FIPS code 47163) that contains 10 USPS ZIP codes covering a combined population of 165,928 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 10 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Sullivan is 37660 covering Kingsport with 40,038 residents at 233 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Sullivan uses FIPS code 47163, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

10

Total ZIPs

165,928

Total Population

ZIP Codes in Sullivan

Side-by-side: Compare 37660 vs 37620 →

ZIP Code City Population Density
37660 Kingsport 40,038 233
37620 Bristol 39,102 119
37664 Kingsport 26,880 318
37663 Kingsport 14,617 213
37617 Blountville 14,251 93
37618 Bluff City 12,747 71
37686 Piney Flats 7,072 93
37665 Kingsport 5,589 696
37656 Fall Branch 3,677 46
37694 Watauga 1,955 58

What are common questions about ZIP codes in this county?

What is the population of Sullivan?
Sullivan has a total population of 165,928 across 10 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Sullivan?
Sullivan includes 10 ZIP codes: 37660, 37620, 37664, 37663, 37617, 37618, 37686, 37665, 37656, 37694.
What is the median household income in Sullivan?
Median household income data for individual ZIP codes in Sullivan is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.