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

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zipcodes.pro — STATE/NE/COUNTY/POLK

Polk County, NE ZIP codes

Polk County, NE has 5 ZIP codes, in 5 towns: 68666, 68651, 68662, 68654 and 68367. 2 more cross into it from neighbouring counties: 68601 and 68663.

The county seat is Osceola.

ZIP codes
5
Partly in it
2 more
Towns
5
County seat
Osceola
County FIPS
31143
Population
5,225
Median household income
$69,768
Land area
439 sq mi

Polk County ZIP codes by town

Osceola (county seat)
68651

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

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Polk County.

Map of Polk County ZIP codes

6836768651686546866268666

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 5,225 people live in Polk County, in 2,114 households, the 54th most populous of Nebraska's 93 counties. The median household income is $69,768 a year, 9% below the Nebraska median of $76,475 (US: $80,734). The median owner-occupied home is valued at $189,900 (20% below the Nebraska median), and median gross rent is $681 a month. The median age is 43.4; 20.0% of adults 25 and over hold a bachelor's degree or higher (34.6% across Nebraska); the average commute takes 21 minutes.

Population5,225Polk5,225
Households2,114Polk2,114
Median age43.4Polk43.4Nebraska37.2US 38.9
Median household income$69,768Polk$69,768Nebraska$76,475US $80,734
Median home value$189,900Polk$189,900Nebraska$238,600US $332,700
Median gross rent$681Polk$681Nebraska$1,072US $1,413
Bachelor's degree or higher20.0%Polk20.0%Nebraska34.6%US 35.7%
Mean commute20.8 minPolk20.8 minNebraska19.2 minUS 26.4 min
Population density12 / sq miPolk12 / 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
Stromsburg 1 1,074
Osceola 1 896
Shelby 1 684
Polk 1 351
Gresham 1 249

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
68367 Gresham , NE Standard 342 $67,500 $86,400
68651 Osceola , NE Standard 1,364 $78,487 $191,300
68654 Polk , NE Standard 569 $64,643 $115,700
68662 Shelby , NE Standard 1,088 $89,706 $168,900
68666 Stromsburg , NE Standard 1,514 $63,529 $177,200

Cite this page

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

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