Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/TN/COUNTY/GRAINGER

Grainger County, TN ZIP codes

Grainger County, TN has 6 ZIP codes, in 6 towns: 37861, 37708, 37709, 37888, 37881 and 37848.

The county seat is Rutledge.

ZIP codes
6
Towns
6
County seat
Rutledge
County FIPS
47057
Population
24,266
Median household income
$50,538
Land area
281 sq mi
Area code
865
Metro area
Knoxville

Grainger County ZIP codes by town

Rutledge (county seat)
37861

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Grainger County ZIP codes

The ZIP codes of Grainger County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Grainger County in numbers

About 24,266 people live in Grainger County, in 9,660 households, the 61st most populous of Tennessee's 95 counties. The median household income is $50,538 a year, 27% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $189,200 (34% below the Tennessee median), and median gross rent is $746 a month. The median age is 47.4; 15.9% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 32 minutes.

Population24,266Grainger24,266
Households9,660Grainger9,660
Median age47.4Grainger47.4Tennessee38.9US 38.9
Median household income$50,538Grainger$50,538Tennessee$69,595US $80,734
Median home value$189,200Grainger$189,200Tennessee$286,700US $332,700
Median gross rent$746Grainger$746Tennessee$1,189US $1,413
Bachelor's degree or higher15.9%Grainger15.9%Tennessee31.1%US 35.7%
Mean commute32.3 minGrainger32.3 minTennessee25.7 minUS 26.4 min
Population density86 / sq miGrainger86 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Grainger County

Largest towns in Grainger County
TownZIP codesPopulation
Washburn 1 3,432
Blaine 1 3,213
Bean Station 1 3,016
Thorn Hill 1 1,677
Rutledge 1 1,676
Powder Springs 1 145

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Grainger County.

Not sure you are in Grainger County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Grainger County, with figures

ZIP codes in Grainger County
ZIP City Type Population Median income Median home
37708 Bean Station , TN Standard 6,512 $42,152 $168,900
37709 Blaine , TN Standard 4,177 $75,799 $274,500
37848 Powder Springs , TN Standard 145 — $167,900
37861 Rutledge , TN Standard 8,608 $52,265 $213,600
37881 Thorn Hill , TN Standard 1,677 $37,443 $111,900
37888 Washburn , TN Standard 3,432 $45,669 $137,400

Cite this page

zipcodes.pro. “Grainger County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/grainger

Underlying data is public domain or openly licensed — sources, vintages and licences.