The Adair County Courthouse, located in Greenfield, Iowa, United States, was built from 1891 to 1892. It was individually listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource.

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6 on the National Register · #58 in IAHistoric places →

Know Greenfield

The town at a glance, and the guide to how things work

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About Greenfield

City in Iowa, United States

1856Established

2,062Population

1.8 sq miArea

1,371 ftElevation

Greenfield is a city in and the county seat of Adair County, Iowa, United States. As of the 2020 census, the city population was 2,062. Greenfield is located in Greenfield and Lee Townships.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code50849

Area code641

Living in Greenfield

Housing in Greenfield

$197K▲ 8.6% in a year Typical home value · Zillow

The typical Greenfield home is worth about $197,000, up 8.6% in a year, 18% below the Iowa typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Greenfield

A⁻

Safety Grade A-

Greenfield reports less crime per resident than 76% of the U.S. towns and cities we grade.

Violent crime per 1,000

Greenfield 1

Iowa 2.4

U.S. 3.3

Property crime per 1,000

Greenfield 2

Iowa 12

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Greenfield

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About one in 3 of Greenfield’s working residents works in town. The top destinations are Creston (5%), Des Moines (5%) and West Des Moines (3%). Half commute less than 18 miles.

Creston

Des Moines

West Des Moines

Atlantic

35%Work in townlive and work in Greenfield 18 miWhere do people commute?the commute map 1,326Jobs based herea job hub

Census LEHD 2023 · ACSWork & commute in Greenfield →

Health in Greenfield

C⁺

Health Grade C+

Healthier than 39% of U.S. towns on seven CDC estimates, and 66% of towns with similar incomes.

Compared with Iowa

1better than IA·6worse

of 32 measures CDC estimates. The other 25 are too close to call.

Conditions 6▼ 6 close Habits all close Care 1▲ 6 close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

81%More adults treating high blood pressureIA 77.8% · better 8.8%More adults with COPDIA 6.9% · worse

Care nearby

Adair County Memorial HospitalGreenfield · 0.4 mi · ER · rural critical access

Osceola OfficeOsceola · 40.5 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Greenfield · CMS · HRSAHealth in Greenfield →

Natural hazards in Greenfield

Moderate

Expected storm and flood damage is higher than in 45% of U.S. communities.

🥶 Cold waves🌪️ Tornadoes🌊 Inland flooding

0Does Greenfield flood?no paid flood claims on record 5Disasters that paid out herefederal disasters sent FEMA money to Greenfield

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Greenfield →

Climate in Greenfield

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Greenfield has cold winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 12°, and about 26 inches of snow falls in a normal winter.

33° / 15°Winter

60° / 38°Spring

83° / 61°Summer

62° / 40°Fall

How much snow does Greenfield get?About 26 inches a winter.Rain & snow →When is the first frost?Around Oct 12, with the last in spring around Apr 25.Frost dates →Is it warmer than it used to be?+0.7° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Greenfield →

Schools in Greenfield

All Greenfield schools →

C⁺

School Grade C+

The public schools Greenfield’s kids attend trail 63% of Iowa’s districts on state tests. Among towns with similar incomes, they sit near the middle.

DistrictNodaway Valley Comm School DistrictSchools2

Nodaway Valley Elementary School C+Elementary · Grades PK–5 · 312 students Nodaway Valley High School C+High · Grades 9–12 · 180 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results, graded within IA. Ratings are from neighbors.