Sidney, IA Demographics

A map of Sidney's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	905	939	94.8%	87.8%
Hispanic	24	72	2.5%	6.7%
Multiracial	16	43	1.7%	4.0%
Black	7	0	0.7%	0.0%
Native American/Other	3	14	0.3%	1.3%
Asian	0	2	0.0%	0.2%

Sidney, Iowa has an estimated population of 955, a large decrease from the 1,070 recorded in the 2020 Census. The population is 94.8% White, 2.5% Hispanic, 1.7% Multiracial, 0.7% Black, 0.3% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Sidney, with one dot drawn for each person counted by the Census, color-coded by race.

Sidney has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Sidney, that probability was 22.4% in 2020 and 10.1% in the most recent ACS estimates.

Sidney is ranked the 298th most populous place in Iowa, out of 1,026 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). Sidney was ranked the 267th most populous place in the 2020 Census.

Sidney's White Population

905 residents of Sidney, or 94.8% of the population, identify as White. The share of White residents in Sidney is considerably higher than in Iowa overall, where 82.3% of the population is White. Sidney ranks 839th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sidney's White population has declined by an estimated 3.6%. White residents' share of Sidney's population has increased from 87.8% to 94.8%.

Sidney is more White than neighboring Riverton (90.4% White), Thurman (82.9% White), Hamburg (92.3% White), and Randolph (86.8% White). Sidney is less White than neighboring Anderson (100% White).

Sidney's Black Population

7 residents of Sidney, or 0.7% of the population, identify as Black. The share of Black residents in Sidney is slightly lower than in Iowa overall, where 3.8% of the population is Black. Sidney ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sidney's Black population has grown from 0 to an estimated 7. Black residents' share of Sidney's population has increased from 0.0% to 0.7%.

Sidney is more Black than neighboring Anderson (0% Black), Riverton (0% Black), Thurman (0% Black), and Hamburg (0% Black). Sidney is less Black than neighboring Randolph (6.8% Black).

Sidney's Asian Population

0 residents of Sidney, or 0.0% of the population, identify as Asian. The share of Asian residents in Sidney is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Sidney ranks 479th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

Sidney is less Asian than neighboring Hamburg (1.1% Asian).

Sidney's Hispanic Population

24 residents of Sidney, or 2.5% of the population, identify as Hispanic. The share of Hispanic residents in Sidney is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Sidney ranks 143rd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sidney's Hispanic population has declined by an estimated 66.7%. Hispanic residents' share of Sidney's population has decreased from 6.7% to 2.5%.

Sidney is more Hispanic than neighboring Anderson (0% Hispanic), and Riverton (0% Hispanic). Sidney is less Hispanic than neighboring Thurman (16.6% Hispanic), Hamburg (3.3% Hispanic), and Randolph (4.3% Hispanic).

Sidney's Native American/Other Population

3 residents of Sidney, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sidney is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Sidney ranks 95th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sidney's Native American/Other population has declined by an estimated 78.6%. Native American/Other residents' share of Sidney's population has decreased from 1.3% to 0.3%.

Sidney is more Native American/Other than neighboring Anderson (0% Native American/Other), Riverton (0% Native American/Other), Thurman (0% Native American/Other), Hamburg (0.1% Native American/Other), and Randolph (0% Native American/Other).

Sidney's Multiracial Population

16 residents of Sidney, or 1.7% of the population, identify as Multiracial. The share of Multiracial residents in Sidney is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Sidney ranks 210th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sidney's Multiracial population has declined by an estimated 62.8%. Multiracial residents' share of Sidney's population has decreased from 4.0% to 1.7%.

Sidney is more Multiracial than neighboring Anderson (0% Multiracial), and Thurman (0.5% Multiracial). Sidney is less Multiracial than neighboring Riverton (9.6% Multiracial), Hamburg (3.1% Multiracial), and Randolph (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.