Rockdale, WI Demographics

A map of Rockdale's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	149	184	74.1%	88.9%
Hispanic	27	10	13.4%	4.8%
Black	14	4	7.0%	1.9%
Multiracial	6	6	3.0%	2.9%
Asian	5	3	2.5%	1.4%
Native American/Other	0	0	0.0%	0.0%

Rockdale, Wisconsin has an estimated population of 201, a slight decrease from the 207 recorded in the 2020 Census. The population is 74.1% White, 13.4% Hispanic, 7.0% Black, 3.0% Multiracial, 2.5% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Rockdale, with one dot drawn for each person counted by the Census, color-coded by race.

Rockdale has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than Wisconsin overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rockdale, that probability was 20.6% in 2020 and 42.6% in the most recent ACS estimates.

Rockdale is ranked the 690th most populous place in Wisconsin, out of 808 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). Rockdale was ranked the 688th most populous place in the 2020 Census.

Rockdale's White Population

149 residents of Rockdale, or 74.1% of the population, identify as White. The share of White residents in Rockdale is slightly lower than in Wisconsin overall, where 78.6% of the population is White. Rockdale ranks 512th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's White population has declined by an estimated 19.0%. White residents' share of Rockdale's population has decreased from 88.9% to 74.1%.

Rockdale is less White than neighboring Cambridge (94.5% White), Lake Ripley (90.7% White), Deerfield (74.3% White), Lake Koshkonong (93.8% White), and Edgerton (83.8% White).

Rockdale's Black Population

14 residents of Rockdale, or 7.0% of the population, identify as Black. The share of Black residents in Rockdale is comparable to the share in Wisconsin overall, where 5.9% of the population is Black. Rockdale ranks 85th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's Black population has grown by an estimated 250.0%. Black residents' share of Rockdale's population has increased from 1.9% to 7.0%.

Rockdale is more Black than neighboring Cambridge (0% Black), Lake Ripley (1.3% Black), Deerfield (3.6% Black), Lake Koshkonong (0.9% Black), and Edgerton (0.8% Black).

Rockdale's Asian Population

5 residents of Rockdale, or 2.5% of the population, identify as Asian. The share of Asian residents in Rockdale is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Rockdale ranks 134th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's Asian population has grown by an estimated 66.7%. Asian residents' share of Rockdale's population has increased from 1.4% to 2.5%.

Rockdale is more Asian than neighboring Cambridge (1.1% Asian), Lake Ripley (0% Asian), Lake Koshkonong (0.5% Asian), and Edgerton (1.5% Asian). Rockdale is less Asian than neighboring Deerfield (4.3% Asian).

Rockdale's Hispanic Population

27 residents of Rockdale, or 13.4% of the population, identify as Hispanic. The share of Hispanic residents in Rockdale is higher than in Wisconsin overall, where 8% of the population is Hispanic. Rockdale ranks 211th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's Hispanic population has grown by an estimated 170.0%. Hispanic residents' share of Rockdale's population has increased from 4.8% to 13.4%.

Rockdale is more Hispanic than neighboring Cambridge (2.4% Hispanic), Lake Ripley (4.1% Hispanic), Deerfield (12.8% Hispanic), Lake Koshkonong (2.8% Hispanic), and Edgerton (6.2% Hispanic).

Rockdale's Native American/Other Population

0 residents of Rockdale, 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 Rockdale is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Rockdale ranks 696th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Rockdale's population has remained roughly unchanged at 0.0%.

Rockdale is less Native American/Other than neighboring Lake Ripley (0.9% Native American/Other), Deerfield (0.1% Native American/Other), Lake Koshkonong (0.4% Native American/Other), and Edgerton (0.5% Native American/Other).

Rockdale's Multiracial Population

6 residents of Rockdale, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Rockdale is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Rockdale ranks 463rd statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Rockdale's Multiracial population has remained roughly the same. Multiracial residents' share of Rockdale's population has remained roughly unchanged at 3.0%.

Rockdale is more Multiracial than neighboring Cambridge (2.1% Multiracial), and Lake Koshkonong (1.7% Multiracial). Rockdale is less Multiracial than neighboring Deerfield (5% Multiracial), and Edgerton (7.2% 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.