Rensselaer, MO Demographics

A map of Rensselaer's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	222	236	91.4%	93.3%
Multiracial	9	8	3.7%	3.2%
Black	7	1	2.9%	0.4%
Hispanic	5	5	2.1%	2.0%
Asian	0	1	0.0%	0.4%
Native American/Other	0	2	0.0%	0.8%

Rensselaer, Missouri has an estimated population of 243, a decrease from the 253 recorded in the 2020 Census. The population is 91.4% White, 3.7% Multiracial, 2.9% Black, 2.1% Hispanic, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Rensselaer, with one dot drawn for each person counted by the Census, color-coded by race.

Rensselaer has become more racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rensselaer, that probability was 12.8% in 2020 and 16.3% in the most recent ACS estimates.

Rensselaer is ranked the 686th most populous place in Missouri, out of 1,082 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). Rensselaer was ranked the 656th most populous place in the 2020 Census.

Rensselaer's White Population

222 residents of Rensselaer, or 91.4% of the population, identify as White. The share of White residents in Rensselaer is significantly higher than in Missouri overall, where 76.3% of the population is White. Rensselaer ranks 240th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rensselaer's White population has declined by an estimated 5.9%. White residents' share of Rensselaer's population has decreased from 93.3% to 91.4%.

Rensselaer is more White than neighboring Palmyra (82.6% White), Hannibal (87.3% White), New London (90.6% White), and Monroe City (84.9% White). Rensselaer is less White than neighboring Center (93.3% White).

Rensselaer's Black Population

7 residents of Rensselaer, or 2.9% of the population, identify as Black. The share of Black residents in Rensselaer is lower than in Missouri overall, where 10.9% of the population is Black. Rensselaer ranks 609th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rensselaer's Black population has grown by an estimated 600.0%. Black residents' share of Rensselaer's population has increased from 0.4% to 2.9%.

Rensselaer is more Black than neighboring Center (1.5% Black), and New London (2.3% Black). Rensselaer is less Black than neighboring Palmyra (5.1% Black), Hannibal (5.7% Black), and Monroe City (7.9% Black).

Rensselaer's Asian Population

0 residents of Rensselaer, or 0.0% of the population, identify as Asian. The share of Asian residents in Rensselaer is slightly lower than in Missouri overall, where 2.1% of the population is Asian. Rensselaer ranks 423rd statewide in terms of Asian residents as a share of the population, out of 1,082 places.

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

Rensselaer is less Asian than neighboring Palmyra (0.1% Asian), Hannibal (1.1% Asian), and Center (0.4% Asian).

Rensselaer's Hispanic Population

5 residents of Rensselaer, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Rensselaer is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Rensselaer ranks 639th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rensselaer's Hispanic population has remained roughly the same. Hispanic residents' share of Rensselaer's population has remained roughly unchanged at 2.1%.

Rensselaer is more Hispanic than neighboring New London (0% Hispanic), and Monroe City (2% Hispanic). Rensselaer is less Hispanic than neighboring Palmyra (3.1% Hispanic), Hannibal (2.7% Hispanic), and Center (3.7% Hispanic).

Rensselaer's Native American/Other Population

0 residents of Rensselaer, 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 Rensselaer is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Rensselaer ranks 421st statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rensselaer's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Rensselaer's population has decreased from 0.8% to 0.0%.

Rensselaer is less Native American/Other than neighboring Palmyra (1.2% Native American/Other), Hannibal (0.4% Native American/Other), New London (0.4% Native American/Other), and Monroe City (0.3% Native American/Other).

Rensselaer's Multiracial Population

9 residents of Rensselaer, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Rensselaer is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Rensselaer ranks 833rd statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Rensselaer's Multiracial population has grown by an estimated 12.5%. Multiracial residents' share of Rensselaer's population has increased from 3.2% to 3.7%.

Rensselaer is more Multiracial than neighboring Hannibal (2.7% Multiracial), and Center (1.1% Multiracial). Rensselaer is less Multiracial than neighboring Palmyra (8% Multiracial), New London (6.7% Multiracial), and Monroe City (4.9% 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.