Rio, IL Demographics

A map of Rio's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	184	177	89.8%	84.7%
Hispanic	15	17	7.3%	8.1%
Multiracial	4	12	2.0%	5.7%
Black	2	0	1.0%	0.0%
Asian	0	0	0.0%	0.0%
Native American/Other	0	3	0.0%	1.4%

Rio, Illinois has an estimated population of 205, a slight decrease from the 209 recorded in the 2020 Census. The population is 89.8% White, 7.3% Hispanic, 2.0% Multiracial, 1.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Rio, with one dot drawn for each person counted by the Census, color-coded by race.

Rio has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rio, that probability was 27.3% in 2020 and 18.9% in the most recent ACS estimates.

Rio is ranked the 1198th most populous place in Illinois, out of 1,461 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). Rio was ranked the 1182nd most populous place in the 2020 Census.

Rio's White Population

184 residents of Rio, or 89.8% of the population, identify as White. The share of White residents in Rio is significantly higher than in Illinois overall, where 58.1% of the population is White. Rio ranks 1020th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rio's White population has grown by an estimated 4.0%. White residents' share of Rio's population has increased from 84.7% to 89.8%.

Rio is more White than neighboring Alpha (82.8% White), and Henderson (74.3% White). Rio is less White than neighboring North Henderson (99.5% White), Windsor (91.6% White), and Woodhull (93.3% White).

Rio's Black Population

2 residents of Rio, or 1.0% of the population, identify as Black. The share of Black residents in Rio is considerably lower than in Illinois overall, where 13.3% of the population is Black. Rio ranks 1104th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rio's Black population has grown from 0 to an estimated 2. Black residents' share of Rio's population has increased from 0.0% to 1.0%.

Rio is more Black than neighboring North Henderson (0% Black), Alpha (0.2% Black), Windsor (0% Black), and Woodhull (0.5% Black). Rio is less Black than neighboring Henderson (7.4% Black).

Rio's Asian Population

0 residents of Rio, or 0.0% of the population, identify as Asian. The share of Asian residents in Rio is lower than in Illinois overall, where 5.9% of the population is Asian. Rio ranks 1029th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

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

Rio is less Asian than neighboring Alpha (0.2% Asian), and Windsor (0.3% Asian).

Rio's Hispanic Population

15 residents of Rio, or 7.3% of the population, identify as Hispanic. The share of Hispanic residents in Rio is considerably lower than in Illinois overall, where 18.8% of the population is Hispanic. Rio ranks 321st statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rio's Hispanic population has declined by an estimated 11.8%. Hispanic residents' share of Rio's population has decreased from 8.1% to 7.3%.

Rio is more Hispanic than neighboring North Henderson (0% Hispanic), Windsor (5.3% Hispanic), and Woodhull (1% Hispanic). Rio is less Hispanic than neighboring Alpha (8.5% Hispanic), and Henderson (10.6% Hispanic).

Rio's Native American/Other Population

0 residents of Rio, 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 Rio is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Rio ranks 61st statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rio's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Rio's population has decreased from 1.4% to 0.0%.

Rio's Multiracial Population

4 residents of Rio, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Rio is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Rio ranks 158th statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Rio's Multiracial population has declined by an estimated 66.7%. Multiracial residents' share of Rio's population has decreased from 5.7% to 2.0%.

Rio is more Multiracial than neighboring North Henderson (0.5% Multiracial). Rio is less Multiracial than neighboring Alpha (8.2% Multiracial), Henderson (7.7% Multiracial), Windsor (2.8% Multiracial), and Woodhull (5.2% 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.