Greenfield, WI Demographics

A map of Greenfield's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	25,187	27,200	67.4%	72.0%
Hispanic	6,201	5,201	16.6%	13.8%
Asian	2,705	2,242	7.2%	5.9%
Multiracial	1,538	1,388	4.1%	3.7%
Black	1,518	1,470	4.1%	3.9%
Native American/Other	196	302	0.5%	0.8%

Greenfield, Wisconsin has an estimated population of 37,345, a slight decrease from the 37,803 recorded in the 2020 Census. The population is 67.4% White, 16.6% Hispanic, 7.2% Asian, 4.1% Black, 4.1% Multiracial, and 0.5% Native American/Other. This demographic dot map shows the population of Greenfield, with one dot drawn for each person counted by the Census, color-coded by race.

Greenfield has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than Wisconsin overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Greenfield, that probability was 45.7% in 2020 and 50.9% in the most recent ACS estimates.

Greenfield is ranked the 21st most populous place in Wisconsin, out of 808 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Greenfield was ranked the 20th most populous place in the 2020 Census.

Greenfield's White Population

25,187 residents of Greenfield, or 67.4% of the population, identify as White. The share of White residents in Greenfield is considerably lower than in Wisconsin overall, where 78.6% of the population is White. Greenfield ranks 751st statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's White population has declined by an estimated 7.4%. White residents' share of Greenfield's population has decreased from 72.0% to 67.4%.

Greenfield is more White than neighboring West Milwaukee (45.3% White). Greenfield is less White than neighboring Greendale (79.5% White), Hales Corners (83.3% White), West Allis (69.8% White), and Franklin (81.7% White).

Greenfield's Black Population

1,518 residents of Greenfield, or 4.1% of the population, identify as Black. The share of Black residents in Greenfield is comparable to the share in Wisconsin overall, where 5.9% of the population is Black. Greenfield ranks 38th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's Black population has grown by an estimated 3.3%. Black residents' share of Greenfield's population has remained roughly unchanged at 4.1%.

Greenfield is more Black than neighboring Greendale (1.1% Black), Hales Corners (0.8% Black), and Franklin (2.7% Black). Greenfield is less Black than neighboring West Allis (5% Black), and West Milwaukee (17.7% Black).

Greenfield's Asian Population

2,705 residents of Greenfield, or 7.2% of the population, identify as Asian. The share of Asian residents in Greenfield is slightly higher than in Wisconsin overall, where 2.9% of the population is Asian. Greenfield ranks 21st statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's Asian population has grown by an estimated 20.7%. Asian residents' share of Greenfield's population has increased from 5.9% to 7.2%.

Greenfield is more Asian than neighboring Greendale (4.2% Asian), Hales Corners (3.1% Asian), West Allis (2.7% Asian), West Milwaukee (0.4% Asian), and Franklin (5.9% Asian).

Greenfield's Hispanic Population

6,201 residents of Greenfield, or 16.6% of the population, identify as Hispanic. The share of Hispanic residents in Greenfield is higher than in Wisconsin overall, where 8% of the population is Hispanic. Greenfield ranks 44th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's Hispanic population has grown by an estimated 19.2%. Hispanic residents' share of Greenfield's population has increased from 13.8% to 16.6%.

Greenfield is more Hispanic than neighboring Greendale (11.3% Hispanic), Hales Corners (8.9% Hispanic), and Franklin (6.1% Hispanic). Greenfield is less Hispanic than neighboring West Allis (17.1% Hispanic), and West Milwaukee (28.9% Hispanic).

Greenfield's Native American/Other Population

196 residents of Greenfield, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Greenfield is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Greenfield ranks 304th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's Native American/Other population has declined by an estimated 35.1%. Native American/Other residents' share of Greenfield's population has remained roughly unchanged at 0.5%.

Greenfield is more Native American/Other than neighboring Greendale (0.3% Native American/Other), and Hales Corners (0.1% Native American/Other). Greenfield is less Native American/Other than neighboring West Allis (0.7% Native American/Other), and West Milwaukee (1.6% Native American/Other).

Greenfield's Multiracial Population

1,538 residents of Greenfield, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Greenfield is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Greenfield ranks 259th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Greenfield's Multiracial population has grown by an estimated 10.8%. Multiracial residents' share of Greenfield's population has remained roughly unchanged at 4.1%.

Greenfield is more Multiracial than neighboring Greendale (3.6% Multiracial), Hales Corners (3.9% Multiracial), and Franklin (3% Multiracial). Greenfield is less Multiracial than neighboring West Allis (4.7% Multiracial), and West Milwaukee (6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.