Hennessey, OK Demographics

A map of Hennessey's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,345	1,208	52.4%	56.2%
Hispanic	1,155	798	45.0%	37.1%
Multiracial	37	72	1.4%	3.3%
Native American/Other	29	52	1.1%	2.4%
Asian	1	7	0.0%	0.3%
Black	0	14	0.0%	0.7%

Hennessey, Oklahoma has an estimated population of 2,567, a large increase from the 2,151 recorded in the 2020 Census. The population is 52.4% White, 45.0% Hispanic, 1.4% Multiracial, 1.1% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Hennessey, with one dot drawn for each person counted by the Census, color-coded by race.

Hennessey has become less racially diverse since the 2020 Census. It is considerably less diverse than Oklahoma overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Hennessey, that probability was 54.5% in 2020 and 52.3% in the most recent ACS estimates.

Hennessey is ranked the 133rd most populous place in Oklahoma, out of 846 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). Hennessey was ranked the 143rd most populous place in the 2020 Census.

Hennessey's White Population

1,345 residents of Hennessey, or 52.4% of the population, identify as White. The share of White residents in Hennessey is lower than in Oklahoma overall, where 62.1% of the population is White. Hennessey ranks 633rd statewide in terms of White residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's White population has grown by an estimated 11.3%. White residents' share of Hennessey's population has decreased from 56.2% to 52.4%.

Hennessey is more White than neighboring Loyal (45.3% White). Hennessey is less White than neighboring Bison (100% White), Dover (63.9% White), Waukomis (88.8% White), and Drummond (62% White).

Hennessey's Black Population

0 residents of Hennessey, or 0.0% of the population, identify as Black. The share of Black residents in Hennessey is lower than in Oklahoma overall, where 6.8% of the population is Black. Hennessey ranks 367th statewide in terms of Black residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's Black population has declined by an estimated 100.0%. Black residents' share of Hennessey's population has decreased from 0.7% to 0.0%.

Hennessey is less Black than neighboring Dover (1.6% Black).

Hennessey's Asian Population

1 residents of Hennessey, or 0.0% of the population, identify as Asian. The share of Asian residents in Hennessey is slightly lower than in Oklahoma overall, where 2.4% of the population is Asian. Hennessey ranks 316th statewide in terms of Asian residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's Asian population has declined by an estimated 85.7%. Asian residents' share of Hennessey's population has remained roughly unchanged at 0.0%.

Hennessey is less Asian than neighboring Waukomis (0.1% Asian), and Drummond (0.3% Asian).

Hennessey's Hispanic Population

1,155 residents of Hennessey, or 45.0% of the population, identify as Hispanic. The share of Hispanic residents in Hennessey is significantly higher than in Oklahoma overall, where 12.7% of the population is Hispanic. Hennessey ranks 17th statewide in terms of Hispanic residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's Hispanic population has grown by an estimated 44.7%. Hispanic residents' share of Hennessey's population has increased from 37.1% to 45.0%.

Hennessey is more Hispanic than neighboring Bison (0% Hispanic), Dover (27.5% Hispanic), Waukomis (5.7% Hispanic), and Drummond (32.7% Hispanic). Hennessey is less Hispanic than neighboring Loyal (50.5% Hispanic).

Hennessey's Native American/Other Population

29 residents of Hennessey, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hennessey is lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Hennessey ranks 725th statewide in terms of Native American/Other residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's Native American/Other population has declined by an estimated 44.2%. Native American/Other residents' share of Hennessey's population has decreased from 2.4% to 1.1%.

Hennessey is more Native American/Other than neighboring Bison (0% Native American/Other), Dover (0.9% Native American/Other), Waukomis (0.2% Native American/Other), Drummond (0.3% Native American/Other), and Loyal (0% Native American/Other).

Hennessey's Multiracial Population

37 residents of Hennessey, or 1.4% of the population, identify as Multiracial. The share of Multiracial residents in Hennessey is lower than in Oklahoma overall, where 8.9% of the population is Multiracial. Hennessey ranks 774th statewide in terms of Multiracial residents as a share of the population, out of 846 places.

Since the 2020 Census, Hennessey's Multiracial population has declined by an estimated 48.6%. Multiracial residents' share of Hennessey's population has decreased from 3.3% to 1.4%.

Hennessey is more Multiracial than neighboring Bison (0% Multiracial). Hennessey is less Multiracial than neighboring Dover (6% Multiracial), Waukomis (5.2% Multiracial), Drummond (4.8% Multiracial), and Loyal (4.2% 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.