Cairo, WV Demographics

A map of Cairo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	260	163	95.2%	92.6%
Hispanic	9	2	3.3%	1.1%
Multiracial	4	4	1.5%	2.3%
Black	0	1	0.0%	0.6%
Asian	0	1	0.0%	0.6%
Native American/Other	0	5	0.0%	2.8%

Cairo, West Virginia has an estimated population of 273, a dramatic increase from the 176 recorded in the 2020 Census. The population is 95.2% White, 3.3% Hispanic, 1.5% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Cairo, with one dot drawn for each person counted by the Census, color-coded by race.

Cairo has become less racially diverse since the 2020 Census. It is considerably less diverse than West Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Cairo, that probability was 14.1% in 2020 and 9.2% in the most recent ACS estimates.

Cairo is ranked the 307th most populous place in West Virginia, out of 439 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). Cairo was ranked the 367th most populous place in the 2020 Census.

Cairo's White Population

260 residents of Cairo, or 95.2% of the population, identify as White. The share of White residents in Cairo is higher than in West Virginia overall, where 89.7% of the population is White. Cairo ranks 248th statewide in terms of White residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's White population has grown by an estimated 59.5%. White residents' share of Cairo's population has increased from 92.6% to 95.2%.

Cairo is more White than neighboring Harrisville (92.7% White), and St. Marys (93.7% White). Cairo is less White than neighboring Ellenboro (97.6% White), Pennsboro (97.8% White), and Newport CDP (Washington County) (100% White).

Cairo's Black Population

0 residents of Cairo, or 0.0% of the population, identify as Black. The share of Black residents in Cairo is slightly lower than in West Virginia overall, where 3.1% of the population is Black. Cairo ranks 238th statewide in terms of Black residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's Black population has declined by an estimated 100.0%. Black residents' share of Cairo's population has decreased from 0.6% to 0.0%.

Cairo is less Black than neighboring Harrisville (0.6% Black).

Cairo's Asian Population

0 residents of Cairo, or 0.0% of the population, identify as Asian. The share of Asian residents in Cairo is comparable to the share in West Virginia overall, where 0.8% of the population is Asian. Cairo ranks 101st statewide in terms of Asian residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's Asian population has declined by an estimated 100.0%. Asian residents' share of Cairo's population has decreased from 0.6% to 0.0%.

Cairo is less Asian than neighboring Harrisville (4.6% Asian), and Pennsboro (0.7% Asian).

Cairo's Hispanic Population

9 residents of Cairo, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Cairo is comparable to the share in West Virginia overall, where 2.1% of the population is Hispanic. Cairo ranks 211th statewide in terms of Hispanic residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's Hispanic population has grown by an estimated 350.0%. Hispanic residents' share of Cairo's population has increased from 1.1% to 3.3%.

Cairo is more Hispanic than neighboring Harrisville (0% Hispanic), Ellenboro (0% Hispanic), Pennsboro (0% Hispanic), and Newport CDP (Washington County) (0% Hispanic). Cairo is less Hispanic than neighboring St. Marys (4% Hispanic).

Cairo's Native American/Other Population

0 residents of Cairo, 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 Cairo is comparable to the share in West Virginia overall, where 0.4% of the population is Native American/Other. Cairo ranks 4th statewide in terms of Native American/Other residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Cairo's population has decreased from 2.8% to 0.0%.

Cairo is less Native American/Other than neighboring Ellenboro (0.5% Native American/Other), and St. Marys (0.2% Native American/Other).

Cairo's Multiracial Population

4 residents of Cairo, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Cairo is slightly lower than in West Virginia overall, where 3.9% of the population is Multiracial. Cairo ranks 346th statewide in terms of Multiracial residents as a share of the population, out of 439 places.

Since the 2020 Census, Cairo's Multiracial population has remained roughly the same. Multiracial residents' share of Cairo's population has decreased from 2.3% to 1.5%.

Cairo is more Multiracial than neighboring Newport CDP (Washington County) (0% Multiracial). Cairo is less Multiracial than neighboring Harrisville (2.2% Multiracial), Ellenboro (1.9% Multiracial), and St. Marys (2.1% 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.