Wisconsin · Census place 5531175

Greenfield, Wisconsin

Greenfield is a city in Milwaukee County, Wisconsin with an estimated 37,232 residents on July 1, 2024. It is the 22nd largest of 370 incorporated places of 1,000+ people in the state.

Population 2024
37,232
#22 of 370 in Wisconsin
Change since 2020
-1.3%
-506 people
Land area
11.5 sq mi
Density
3,229 / sq mi
State median 1,583
Orange pin: Greenfield. Shaded: its county. Dark pin: Madison.

Greenfield population, 2020 to 2024

Greenfield lost 506 residents from July 2020 to July 2024, a change of -1.3%. In the latest year it moved by +43. Among 157 Wisconsin places of 5,000 or more, that growth ranks 134th; the median place changed by +0.8%. The median place of 5,000+ in Wisconsin has 12,527 people, so Greenfield is 3.0 times that size.

37.7k202037.3k202137.4k202237.2k202337.2k2024
July 1 estimates. The April 2020 estimates base was 37,788. The axis starts above zero so yearly changes are visible.

Greenfield covers 11.53 square miles of land, for 3,229 people per square mile of land. The median Wisconsin place of 5,000+ has 1,583, so Greenfield is denser than the typical town.

What county Greenfield is in

All of Greenfield's residents live in Milwaukee County, which had 924,740 residents in 2024. Greenfield holds 4.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Greenfield

3 ZIP Code Tabulation Areas (ZCTAs) overlap Greenfield by at least 10% of the ZCTA's or the city's land: 53220, 53221, 53228. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Greenfield is

The Census internal point of Greenfield is at 42.960600, -88.005700. Madison, the capital, is 70.1 miles W in a straight line. The nearest larger place is West Allis, WI (59,784 people), 3.4 miles away. The nearest city of 100,000 or more is Milwaukee, WI, 7.4 miles away.

Internal point

Decimal
42.960600, -88.005700
DMS
42°57'38.16"N 88°00'20.52"W
UTM
16N 417974.4E 4756930.1N
Geohash
dp9kmkspw
Plus code
86JHXX6V+6P

Daylight in Greenfield

At 42.96° N, Greenfield gets about 15 h 22 min of daylight around the June solstice and 9 h 00 min around the December solstice, a swing of 6 h 21 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Greenfield

The eight nearest incorporated places of 1,000+ in Wisconsin, measured between internal points. The closest is Greendale, 1.4 miles away, with 14,455 people.

Questions people ask

What is the population of Greenfield, WI?

37,232 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 506 (1.3%) from 37,738 in July 2020.

What county is Greenfield in?

Milwaukee County. All of its residents live in that county.

What ZIP codes cover Greenfield?

3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 53220, 53221, 53228.

How far is Greenfield from Madison?

70.1 miles (112.8 km) in a straight line, heading W from Greenfield.

What is the nearest larger city to Greenfield?

West Allis, WI, with 59,784 residents, 3.4 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.