Colby, WI Demographics

A map of Colby's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,364	1,462	71.5%	74.9%
Hispanic	485	402	25.4%	20.6%
Native American/Other	35	10	1.8%	0.5%
Multiracial	23	59	1.2%	3.0%
Black	0	9	0.0%	0.5%
Asian	0	10	0.0%	0.5%

Colby, Wisconsin has an estimated population of 1,907, a slight decrease from the 1,952 recorded in the 2020 Census. The population is 71.5% White, 25.4% Hispanic, 1.8% Native American/Other, 1.2% Multiracial, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Colby, with one dot drawn for each person counted by the Census, color-coded by race.

Colby has become 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 Colby, that probability was 39.6% in 2020 and 42.3% in the most recent ACS estimates.

Colby is ranked the 277th 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). Colby was ranked the 272nd most populous place in the 2020 Census.

Colby's White Population

1,364 residents of Colby, or 71.5% of the population, identify as White. The share of White residents in Colby is lower than in Wisconsin overall, where 78.6% of the population is White. Colby ranks 739th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's White population has declined by an estimated 6.7%. White residents' share of Colby's population has decreased from 74.9% to 71.5%.

Colby is more White than neighboring Abbotsford (61.3% White), and Curtiss (18.6% White). Colby is less White than neighboring Unity (79.6% White), Dorchester (81.8% White), and Spencer (97.4% White).

Colby's Black Population

0 residents of Colby, or 0.0% of the population, identify as Black. The share of Black residents in Colby is lower than in Wisconsin overall, where 5.9% of the population is Black. Colby ranks 398th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's Black population has declined by an estimated 100.0%. Black residents' share of Colby's population has decreased from 0.5% to 0.0%.

Colby is less Black than neighboring Unity (0.3% Black).

Colby's Asian Population

0 residents of Colby, or 0.0% of the population, identify as Asian. The share of Asian residents in Colby is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Colby ranks 383rd statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's Asian population has declined by an estimated 100.0%. Asian residents' share of Colby's population has decreased from 0.5% to 0.0%.

Colby is less Asian than neighboring Abbotsford (0.8% Asian), and Dorchester (3% Asian).

Colby's Hispanic Population

485 residents of Colby, or 25.4% of the population, identify as Hispanic. The share of Hispanic residents in Colby is significantly higher than in Wisconsin overall, where 8% of the population is Hispanic. Colby ranks 21st statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's Hispanic population has grown by an estimated 20.6%. Hispanic residents' share of Colby's population has increased from 20.6% to 25.4%.

Colby is more Hispanic than neighboring Unity (16.4% Hispanic), Dorchester (13.7% Hispanic), and Spencer (1.8% Hispanic). Colby is less Hispanic than neighboring Abbotsford (37.2% Hispanic), and Curtiss (81.4% Hispanic).

Colby's Native American/Other Population

35 residents of Colby, or 1.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Colby is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Colby ranks 464th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's Native American/Other population has grown by an estimated 250.0%. Native American/Other residents' share of Colby's population has increased from 0.5% to 1.8%.

Colby is more Native American/Other than neighboring Abbotsford (0.5% Native American/Other), Unity (0% Native American/Other), Dorchester (0% Native American/Other), Curtiss (0% Native American/Other), and Spencer (0.1% Native American/Other).

Colby's Multiracial Population

23 residents of Colby, or 1.2% of the population, identify as Multiracial. The share of Multiracial residents in Colby is slightly lower than in Wisconsin overall, where 3.7% of the population is Multiracial. Colby ranks 434th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Colby's Multiracial population has declined by an estimated 61.0%. Multiracial residents' share of Colby's population has decreased from 3.0% to 1.2%.

Colby is more Multiracial than neighboring Abbotsford (0.1% Multiracial), Curtiss (0% Multiracial), and Spencer (0.7% Multiracial). Colby is less Multiracial than neighboring Unity (3.7% Multiracial), and Dorchester (1.6% 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.