Centennial, WY Demographics

A map of Centennial's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	521	265	100.0%	93.6%
Black	0	0	0.0%	0.0%
Asian	0	1	0.0%	0.4%
Hispanic	0	9	0.0%	3.2%
Native American/Other	0	1	0.0%	0.4%
Multiracial	0	7	0.0%	2.5%

Centennial, Wyoming has an estimated population of 521, a dramatic increase from the 283 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Centennial, with one dot drawn for each person counted by the Census, color-coded by race.

Centennial has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Wyoming overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Centennial, that probability was 12.2% in 2020 and 0.0% in the most recent ACS estimates.

Centennial is ranked the 82nd most populous place in Wyoming, out of 205 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). Centennial was ranked the 108th most populous place in the 2020 Census.

Centennial's White Population

521 residents of Centennial, or 100.0% of the population, identify as White. The share of White residents in Centennial is significantly higher than in Wyoming overall, where 81.4% of the population is White. Centennial ranks 22nd statewide in terms of White residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's White population has grown by an estimated 96.6%. White residents' share of Centennial's population has increased from 93.6% to 100.0%.

Centennial is more White than neighboring Albany (0% White), Fox Park (0% White), and Woods Landing-Jelm (58.8% White).

Centennial's Black Population

0 residents of Centennial, or 0.0% of the population, identify as Black. The share of Black residents in Centennial is comparable to the share in Wyoming overall, where 0.8% of the population is Black. Centennial ranks 96th statewide in terms of Black residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's Black population has grown from 0 to an estimated 0. Black residents' share of Centennial's population has remained roughly unchanged at 0.0%.

Centennial's Asian Population

0 residents of Centennial, or 0.0% of the population, identify as Asian. The share of Asian residents in Centennial is comparable to the share in Wyoming overall, where 0.8% of the population is Asian. Centennial ranks 84th statewide in terms of Asian residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's Asian population has declined by an estimated 100.0%. Asian residents' share of Centennial's population has remained roughly unchanged at 0.0%.

Centennial's Hispanic Population

0 residents of Centennial, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Centennial is considerably lower than in Wyoming overall, where 10.7% of the population is Hispanic. Centennial ranks 149th statewide in terms of Hispanic residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Centennial's population has decreased from 3.2% to 0.0%.

Centennial is less Hispanic than neighboring Woods Landing-Jelm (41.2% Hispanic).

Centennial's Native American/Other Population

0 residents of Centennial, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Centennial is slightly lower than in Wyoming overall, where 2.4% of the population is Native American/Other. Centennial ranks 146th statewide in terms of Native American/Other residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Centennial's population has remained roughly unchanged at 0.0%.

Centennial's Multiracial Population

0 residents of Centennial, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Centennial is slightly lower than in Wyoming overall, where 4% of the population is Multiracial. Centennial ranks 162nd statewide in terms of Multiracial residents as a share of the population, out of 205 places.

Since the 2020 Census, Centennial's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Centennial's population has decreased from 2.5% to 0.0%.

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.