St. Paul, MO Demographics

A map of St. Paul's Population by Race

St. Paul, Missouri has an estimated population of 3,456, a large increase from the 3,005 recorded in the 2020 Census. The population is 92.1% White, 4.8% Multiracial, 1.6% Black, 1.2% Hispanic, 0.2% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of St. Paul, with one dot drawn for each person counted by the Census, color-coded by race.

St. Paul has become less 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 St. Paul, that probability was 16.2% in 2020 and 14.9% in the most recent ACS estimates.

St. Paul is ranked the 188th 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). St. Paul was ranked the 197th most populous place in the 2020 Census.

St. Paul's White Population

3,183 residents of St. Paul, or 92.1% of the population, identify as White. The share of White residents in St. Paul is significantly higher than in Missouri overall, where 76.3% of the population is White. St. Paul ranks 383rd statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's White population has grown by an estimated 15.8%. White residents' share of St. Paul's population has increased from 91.4% to 92.1%.

St. Paul is more White than neighboring Josephville (84% White), O'Fallon (79.5% White), and Lake St. Louis (84.7% White). St. Paul is less White than neighboring Old Monroe (97% White), and Chain of Rocks (98.4% White).

St. Paul's Black Population

57 residents of St. Paul, or 1.6% of the population, identify as Black. The share of Black residents in St. Paul is lower than in Missouri overall, where 10.9% of the population is Black. St. Paul ranks 326th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's Black population has grown by an estimated 16.3%. Black residents' share of St. Paul's population has remained roughly unchanged at 1.6%.

St. Paul is more Black than neighboring Old Monroe (0% Black), and Chain of Rocks (0% Black). St. Paul is less Black than neighboring Josephville (13.1% Black), O'Fallon (5.2% Black), and Lake St. Louis (5.5% Black).

St. Paul's Asian Population

7 residents of St. Paul, or 0.2% of the population, identify as Asian. The share of Asian residents in St. Paul is comparable to the share in Missouri overall, where 2.1% of the population is Asian. St. Paul ranks 304th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's Asian population has declined by an estimated 63.2%. Asian residents' share of St. Paul's population has remained roughly unchanged at 0.2%.

St. Paul is more Asian than neighboring Old Monroe (0% Asian), and Chain of Rocks (0% Asian). St. Paul is less Asian than neighboring O'Fallon (4.8% Asian), and Lake St. Louis (1.9% Asian).

St. Paul's Hispanic Population

41 residents of St. Paul, or 1.2% of the population, identify as Hispanic. The share of Hispanic residents in St. Paul is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. St. Paul ranks 685th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's Hispanic population has declined by an estimated 22.6%. Hispanic residents' share of St. Paul's population has decreased from 1.8% to 1.2%.

St. Paul is more Hispanic than neighboring Josephville (0% Hispanic), and Chain of Rocks (0% Hispanic). St. Paul is less Hispanic than neighboring O'Fallon (5.5% Hispanic), Lake St. Louis (2.5% Hispanic), and Old Monroe (1.7% Hispanic).

St. Paul's Native American/Other Population

1 residents of St. Paul, 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 St. Paul is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. St. Paul ranks 539th statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's Native American/Other population has declined by an estimated 94.4%. Native American/Other residents' share of St. Paul's population has decreased from 0.6% to 0.0%.

St. Paul is less Native American/Other than neighboring O'Fallon (0.6% Native American/Other), Lake St. Louis (0.6% Native American/Other), and Chain of Rocks (1.2% Native American/Other).

St. Paul's Multiracial Population

167 residents of St. Paul, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in St. Paul is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. St. Paul ranks 696th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Paul's Multiracial population has grown by an estimated 41.5%. Multiracial residents' share of St. Paul's population has increased from 3.9% to 4.8%.

St. Paul is more Multiracial than neighboring Josephville (2.7% Multiracial), O'Fallon (4.3% Multiracial), Old Monroe (1.3% Multiracial), and Chain of Rocks (0.4% 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.