Monroe, SD Demographics

A map of Monroe's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	198	147	85.0%	92.5%
Hispanic	22	5	9.4%	3.1%
Multiracial	13	4	5.6%	2.5%
Black	0	2	0.0%	1.3%
Asian	0	0	0.0%	0.0%
Native American/Other	0	1	0.0%	0.6%

Monroe, South Dakota has an estimated population of 233, a dramatic increase from the 159 recorded in the 2020 Census. The population is 85.0% White, 9.4% Hispanic, 5.6% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Monroe, with one dot drawn for each person counted by the Census, color-coded by race.

Monroe has become considerably 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 Monroe, that probability was 14.3% in 2020 and 26.6% in the most recent ACS estimates.

Monroe is ranked the 221st 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). Monroe was ranked the 252nd most populous place in the 2020 Census.

Monroe's White Population

198 residents of Monroe, or 85.0% of the population, identify as White. The share of White residents in Monroe is higher than in South Dakota overall, where 79.8% of the population is White. Monroe ranks 174th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Monroe's White population has grown by an estimated 34.7%. White residents' share of Monroe's population has decreased from 92.5% to 85.0%.

Monroe is more White than neighboring Canistota (78.8% White), and Humboldt (83.3% White). Monroe is less White than neighboring Marion (93.1% White), Parker (92.6% White), and Dolton (100% White).

Monroe's Black Population

0 residents of Monroe, or 0.0% of the population, identify as Black. The share of Black residents in Monroe is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Monroe ranks 30th statewide in terms of Black residents as a share of the population, out of 485 places.

Since the 2020 Census, Monroe's Black population has declined by an estimated 100.0%. Black residents' share of Monroe's population has decreased from 1.3% to 0.0%.

Monroe is less Black than neighboring Canistota (1.7% Black).

Monroe's Asian Population

0 residents of Monroe, or 0.0% of the population, identify as Asian. The share of Asian residents in Monroe is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Monroe ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.

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

Monroe's Hispanic Population

22 residents of Monroe, or 9.4% of the population, identify as Hispanic. The share of Hispanic residents in Monroe is slightly higher than in South Dakota overall, where 4.8% of the population is Hispanic. Monroe ranks 173rd statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Monroe's Hispanic population has grown by an estimated 340.0%. Hispanic residents' share of Monroe's population has increased from 3.1% to 9.4%.

Monroe is more Hispanic than neighboring Marion (1.2% Hispanic), Parker (5.5% Hispanic), and Dolton (0% Hispanic). Monroe is less Hispanic than neighboring Canistota (10.3% Hispanic), and Humboldt (10% Hispanic).

Monroe's Native American/Other Population

0 residents of Monroe, 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 Monroe is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Monroe ranks 317th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Monroe's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Monroe's population has decreased from 0.6% to 0.0%.

Monroe is less Native American/Other than neighboring Marion (1.2% Native American/Other), Parker (0.1% Native American/Other), and Humboldt (0.1% Native American/Other).

Monroe's Multiracial Population

13 residents of Monroe, or 5.6% of the population, identify as Multiracial. The share of Multiracial residents in Monroe is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Monroe ranks 265th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Monroe's Multiracial population has grown by an estimated 225.0%. Multiracial residents' share of Monroe's population has increased from 2.5% to 5.6%.

Monroe is more Multiracial than neighboring Marion (4.5% Multiracial), Parker (1.9% Multiracial), and Dolton (0% Multiracial). Monroe is less Multiracial than neighboring Canistota (9.3% Multiracial), and Humboldt (6.6% 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.