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/IA/COUNTY/ADAMS

Adams County, IA ZIP codes

Adams County, IA has 4 ZIP codes, in 4 towns: 50841, 50859, 50857 and 50839. 2 more cross into it from neighbouring counties: 50801 and 50851.

The county seat is Corning.

ZIP codes
4
Partly in it
2 more
Towns
4
County seat
Corning
County FIPS
19003
State
Iowa
Population
3,622
Median household income
$71,875
Land area
423 sq mi

Adams County ZIP codes by town

Corning (county seat)
50841

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 Adams County

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

Map of Adams County ZIP codes

The ZIP codes of Adams 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.

Adams County in numbers

About 3,622 people live in Adams County, in 1,540 households, the 99th most populous of Iowa's 99 counties. The median household income is $71,875 a year, 4% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $131,600 (37% below the Iowa median), and median gross rent is $893 a month. The median age is 46.3; 27.0% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 19 minutes.

Population3,622Adams3,622
Households1,540Adams1,540
Median age46.3Adams46.3Iowa38.6US 38.9
Median household income$71,875Adams$71,875Iowa$75,059US $80,734
Median home value$131,600Adams$131,600Iowa$208,000US $332,700
Median gross rent$893Adams$893Iowa$972US $1,413
Bachelor's degree or higher27.0%Adams27.0%Iowa31.4%US 35.7%
Mean commute19.1 minAdams19.1 minIowa19.8 minUS 26.4 min
Population density9 / sq miAdams9 / 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 Adams County

Largest towns in Adams County
TownZIP codesPopulation
Corning 1 1,567
Prescott 1 213
Nodaway 1 73
Carbon 1 46

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 Adams County.

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

Every ZIP code in Adams County, with figures

ZIP codes in Adams County
ZIP City Type Population Median income Median home
50839 Carbon , IA Standard 46 $48,750 —
50841 Corning , IA Standard 2,340 $66,875 $116,700
50857 Nodaway , IA Standard 156 $63,500 $163,300
50859 Prescott , IA Standard 676 $76,875 $163,500

Cite this page

zipcodes.pro. “Adams County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/adams

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