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Greenfield, WI

City in Milwaukee County, Wisconsin. ZIP codes: 53220, 53221, 53228.

Population

37,345

Land area

11.5sq mi

People per sq mi

3,239

ZIP codes

3

Greenfield and its ZIP codes

Full map

Greenfield at a glance

  • Greenfield is about 30 times as dense as Wisconsin as a whole.
  • It is the 21st most populous of 808 cities and towns in Wisconsin.
  • Households here earn a median of $70,459 a year, 9% less than the Wisconsin figure of $77,485.
  • A typical owner-occupied home is valued at $261,100 and median rent is $1,170 a month.

Local data for Greenfield, WI

Counts from official public data

Housing and community stats

Greenfield, WI, American Community Survey 2020-2024

Full profile

Median household income

$70,459

Poverty rate

8.6%

Median home value

$261,100

Median rent

$1,170/mo

Homeownership

54.8%

Bachelor's or higher

33.5%

Median age

42.0

Average commute

22.2 min

Largest reported origins and ancestries: German Americans (11,571), Polish Americans (5,791), Mexican Americans (3,880).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Milwaukee County. PPP loans are for Greenfield.

Details

Unemployment rate

4.4%

Aug 2026, +0.2 pts in a year

Average annual pay

$72,113

467,199 jobs, 2025

Income per person

$62,166

BEA, 2024

Federal spending

$5.4B

FY 2026, $5,705 per person

PPP loans

$54.1M

897 loans, 8,180 jobs reported

Milwaukee County economyFederal spendingPPP loans

How people get to work

Greenfield, WI, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone76.7%
  • Carpooled6.8%
  • Public transit0.7%
  • Walked0.7%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home14.4%

Average one-way commute: 22.2 minutes for people who do not work from home.

Environment and hazard risk

Greenfield, WI, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: cold wave

Storm events since 1996

964

Countywide, mostly hail

Flood insurance policies

1,063

0.5% of homes, county

July high / Jan low

83° / 12°F

38.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Greenfield, WI, CDC PLACES estimates

All 40 measures

Obesity

33.2%

U.S. 33.3% about the same

Diabetes

11.3%

U.S. 12.1% -0.8 pts

Smoking

11.6%

U.S. 12.8% -1.2 pts

Uninsured (18-64)

8.1%

U.S. 11.1% -3.0 pts

ZIP codes in Greenfield

3 in or overlapping Greenfield. Population shown

·

Cities near Greenfield

NameDistanceLand area (sq mi)
GreendaleVillage1.7 mi5.6
Hales CornersVillage2.6 mi3.2
West AllisCity3.3 mi11.4
West MilwaukeeVillage4.1 mi1.1
FranklinCity5.2 mi34.6
New BerlinCity6.1 mi36.4
St. FrancisCity7.1 mi2.6
Elm GroveVillage7.3 mi3.3
CudahyCity7.4 mi4.8
Oak CreekCity7.6 mi28.4
MilwaukeeCity7.7 mi96.2
WauwatosaCity7.8 mi13.2
MuskegoCity7.9 mi31.6
South MilwaukeeCity8.2 mi4.8
BrookfieldCity9.3 mi27.4
WaukeshaVillage10 mi20.6

Frequently asked questions

What county is Greenfield, WI in?
Greenfield is in Milwaukee County, Wisconsin.
What ZIP codes are in Greenfield, WI?
ZIP codes in or overlapping Greenfield include 53220, 53221, 53228.
What is the population of Greenfield, WI?
About 37,345 people live in Greenfield, based on American Community Survey 5-year estimates.
What cities are near Greenfield?
Nearby places include Greendale (1.7 mi), Hales Corners (2.6 mi), West Allis (3.3 mi), West Milwaukee (4.1 mi), Franklin (5.2 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023