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zipcodes.pro — STATE/IA/COUNTY/ADAIR

Adair County, IA ZIP codes

Adair County, IA has 5 ZIP codes, in 5 towns: 50849, 50250, 50846, 50858 and 50837. 2 more cross into it from a neighbouring county: 50002 and 50048.

The county seat is Greenfield.

ZIP codes
5
Partly in it
2 more
Towns
5
County seat
Greenfield
County FIPS
19001
State
Iowa
Population
7,460
Median household income
$68,092
Land area
569 sq mi

Adair County ZIP codes by town

Greenfield (county seat)
50849

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 Adair County

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

Map of Adair County ZIP codes

5025050837508465084950858

The ZIP codes of Adair 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.

Adair County in numbers

About 7,460 people live in Adair County, in 3,236 households, the 88th most populous of Iowa's 99 counties. The median household income is $68,092 a year, 9% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $160,400 (23% below the Iowa median), and median gross rent is $799 a month. The median age is 42.4; 19.9% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 20 minutes.

Population7,460Adair7,460
Households3,236Adair3,236
Median age42.4Adair42.4Iowa38.6US 38.9
Median household income$68,092Adair$68,092Iowa$75,059US $80,734
Median home value$160,400Adair$160,400Iowa$208,000US $332,700
Median gross rent$799Adair$799Iowa$972US $1,413
Bachelor's degree or higher19.9%Adair19.9%Iowa31.4%US 35.7%
Mean commute20.4 minAdair20.4 minIowa19.8 minUS 26.4 min
Population density13 / sq miAdair13 / 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 Adair County

Largest towns in Adair County
TownZIP codesPopulation
Greenfield 1 1,894
Stuart 1 1,655
Fontanelle 1 615
Orient 1 448
Bridgewater 1 124

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 Adair County.

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

Every ZIP code in Adair County, with figures

ZIP codes in Adair County
ZIP City Type Population Median income Median home
50250 Stuart , IA Standard 2,832 $71,083 $210,400
50837 Bridgewater , IA Standard 282 $63,000 $116,700
50846 Fontanelle , IA Standard 1,276 $74,200 $108,800
50849 Greenfield , IA Standard 2,374 $64,821 $148,600
50858 Orient , IA Standard 848 $71,250 $150,000

Cite this page

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

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