Rockham, SD Demographics
A map of Rockham's Population by Race
Rockham, South Dakota has an estimated population of 37, a dramatic increase from the 22 recorded in the 2020 Census. The population is 94.6% White, 5.4% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Rockham, with one dot drawn for each person counted by the Census, color-coded by race.
Rockham has become more racially diverse since the 2020 Census. It is considerably less diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rockham, that probability was 8.7% in 2020 and 10.2% in the most recent ACS estimates.
Rockham is ranked the 388th most populous place in South Dakota, out of 485 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). Rockham was ranked the 432nd most populous place in the 2020 Census.
Rockham's White Population
35 residents of Rockham, or 94.6% of the population, identify as White. The share of White residents in Rockham is considerably higher than in South Dakota overall, where 79.8% of the population is White. Rockham ranks 94th statewide in terms of White residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's White population has grown by an estimated 66.7%. White residents' share of Rockham's population has decreased from 95.5% to 94.6%.
Rockham is more White than neighboring Cresbard (70.5% White), and Redfield (91.7% White). Rockham is less White than neighboring Orient (100% White), Chelsea (100% White), and Evergreen Colony (100% White).
Rockham's Black Population
0 residents of Rockham, or 0.0% of the population, identify as Black. The share of Black residents in Rockham is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Rockham ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's Black population has grown from 0 to an estimated 0. Black residents' share of Rockham's population has remained roughly unchanged at 0.0%.
Rockham's Asian Population
0 residents of Rockham, or 0.0% of the population, identify as Asian. The share of Asian residents in Rockham is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Rockham ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's Asian population has grown from 0 to an estimated 0. Asian residents' share of Rockham's population has remained roughly unchanged at 0.0%.
Rockham is less Asian than neighboring Cresbard (4.1% Asian).
Rockham's Hispanic Population
0 residents of Rockham, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Rockham is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Rockham ranks 389th statewide in terms of Hispanic residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's Hispanic population has grown from 0 to an estimated 0. Hispanic residents' share of Rockham's population has remained roughly unchanged at 0.0%.
Rockham is less Hispanic than neighboring Cresbard (23% Hispanic), and Redfield (3.3% Hispanic).
Rockham's Native American/Other Population
0 residents of Rockham, 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 Rockham is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Rockham ranks 345th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Rockham's population has remained roughly unchanged at 0.0%.
Rockham is less Native American/Other than neighboring Redfield (0.3% Native American/Other).
Rockham's Multiracial Population
2 residents of Rockham, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Rockham is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Rockham ranks 132nd statewide in terms of Multiracial residents as a share of the population, out of 485 places.
Since the 2020 Census, Rockham's Multiracial population has grown by an estimated 100.0%. Multiracial residents' share of Rockham's population has increased from 4.5% to 5.4%.
Rockham is more Multiracial than neighboring Orient (0% Multiracial), Chelsea (0% Multiracial), Cresbard (2.5% Multiracial), Redfield (4.8% Multiracial), and Evergreen Colony (0% 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.