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/NC/COUNTY/POLK

Polk County, NC ZIP codes

Polk County, NC has 5 ZIP codes, in 5 towns: 28722, 28782, 28756, 28773 and 28750. 1 more crosses into it from a neighbouring county: 28139.

The county seat is Columbus.

ZIP codes
5
Partly in it
1 more
Towns
5
County seat
Columbus
County FIPS
37149
Population
19,891
Median household income
$67,758
Land area
238 sq mi

Polk County ZIP codes by town

Columbus (county seat)
28722

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.

ZIP codes partly in Polk County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Polk County.

Map of Polk County ZIP codes

2872228750287562877328782

The ZIP codes of Polk 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.

Polk County in numbers

About 19,891 people live in Polk County, in 8,976 households, the 81st most populous of North Carolina's 100 counties. The median household income is $67,758 a year, 6% below the North Carolina median of $72,388 (US: $80,734). The median owner-occupied home is valued at $315,000 (9% above the North Carolina median), and median gross rent is $1,178 a month. The median age is 54.9; 36.2% of adults 25 and over hold a bachelor's degree or higher (35.7% across North Carolina); the average commute takes 28 minutes.

Population19,891Polk19,891
Households8,976Polk8,976
Median age54.9Polk54.9North Carolina39.1US 38.9
Median household income$67,758Polk$67,758North Carolina$72,388US $80,734
Median home value$315,000Polk$315,000North Carolina$288,900US $332,700
Median gross rent$1,178Polk$1,178North Carolina$1,228US $1,413
Bachelor's degree or higher36.2%Polk36.2%North Carolina35.7%US 35.7%
Mean commute28.4 minPolk28.4 minNorth Carolina25.1 minUS 26.4 min
Population density84 / sq miPolk84 / 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 Polk County

Largest towns in Polk County
TownZIP codesPopulation
Mill Spring 1 4,706
Tryon 1 1,810
Columbus 1 1,071
Saluda 1 683

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 Polk County.

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

Every ZIP code in Polk County, with figures

ZIP codes in Polk County
ZIP City Type Population Median income Median home
28722 Columbus , NC Standard 6,086 $67,760 $307,300
28750 Lynn , NC No street area — — —
28756 Mill Spring , NC Standard 4,706 $63,663 $277,600
28773 Saluda , NC Standard 3,441 $70,703 $413,700
28782 Tryon , NC Standard 6,519 $72,946 $345,200

Cite this page

zipcodes.pro. “Polk County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/nc/county/polk

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