St. Peter, MN Demographics

A map of St. Peter's Population by Race

St. Peter, Minnesota has an estimated population of 12,185, a less than 1% change from the 12,066 recorded in the 2020 Census. The population is 79.5% White, 8.1% Hispanic, 7.3% Black, 2.4% Multiracial, 1.3% Asian, and 1.3% Native American/Other. This demographic dot map shows the population of St. Peter, with one dot drawn for each person counted by the Census, color-coded by race.

St. Peter has become less racially diverse since the 2020 Census. It is considerably less diverse than Minnesota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In St. Peter, that probability was 37.3% in 2020 and 35.5% in the most recent ACS estimates.

St. Peter is ranked the 92nd most populous place in Minnesota, out of 915 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. Peter was ranked the 90th most populous place in the 2020 Census.

St. Peter's White Population

9,685 residents of St. Peter, or 79.5% of the population, identify as White. The share of White residents in St. Peter is slightly higher than in Minnesota overall, where 75.9% of the population is White. St. Peter ranks 763rd statewide in terms of White residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's White population has grown by an estimated 2.5%. White residents' share of St. Peter's population has increased from 78.3% to 79.5%.

St. Peter is more White than neighboring Le Sueur (77.7% White). St. Peter is less White than neighboring Kasota (95.7% White), Cleveland (91.8% White), Mankato (81% White), and North Mankato (84.9% White).

St. Peter's Black Population

894 residents of St. Peter, or 7.3% of the population, identify as Black. The share of Black residents in St. Peter is comparable to the share in Minnesota overall, where 6.9% of the population is Black. St. Peter ranks 52nd statewide in terms of Black residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's Black population has grown by an estimated 4.6%. Black residents' share of St. Peter's population has remained roughly unchanged at 7.3%.

St. Peter is more Black than neighboring Kasota (0% Black), Cleveland (0.9% Black), Le Sueur (3% Black), Mankato (7% Black), and North Mankato (4.5% Black).

St. Peter's Asian Population

163 residents of St. Peter, or 1.3% of the population, identify as Asian. The share of Asian residents in St. Peter is slightly lower than in Minnesota overall, where 5.1% of the population is Asian. St. Peter ranks 124th statewide in terms of Asian residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's Asian population has declined by an estimated 44.0%. Asian residents' share of St. Peter's population has decreased from 2.4% to 1.3%.

St. Peter is more Asian than neighboring Cleveland (0.5% Asian), and Le Sueur (0.7% Asian). St. Peter is less Asian than neighboring Mankato (3.3% Asian), and North Mankato (2.6% Asian).

St. Peter's Hispanic Population

989 residents of St. Peter, or 8.1% of the population, identify as Hispanic. The share of Hispanic residents in St. Peter is comparable to the share in Minnesota overall, where 6.4% of the population is Hispanic. St. Peter ranks 121st statewide in terms of Hispanic residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's Hispanic population has declined by an estimated 6.3%. Hispanic residents' share of St. Peter's population has decreased from 8.7% to 8.1%.

St. Peter is more Hispanic than neighboring Kasota (2% Hispanic), Cleveland (2.3% Hispanic), Mankato (5.2% Hispanic), and North Mankato (5.2% Hispanic). St. Peter is less Hispanic than neighboring Le Sueur (13.8% Hispanic).

St. Peter's Native American/Other Population

157 residents of St. Peter, or 1.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Peter is comparable to the share in Minnesota overall, where 1.2% of the population is Native American/Other. St. Peter ranks 328th statewide in terms of Native American/Other residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's Native American/Other population has grown by an estimated 38.9%. Native American/Other residents' share of St. Peter's population has remained roughly unchanged at 1.3%.

St. Peter is more Native American/Other than neighboring Kasota (0% Native American/Other), Cleveland (0% Native American/Other), Le Sueur (0% Native American/Other), Mankato (0.3% Native American/Other), and North Mankato (0.2% Native American/Other).

St. Peter's Multiracial Population

297 residents of St. Peter, or 2.4% of the population, identify as Multiracial. The share of Multiracial residents in St. Peter is slightly lower than in Minnesota overall, where 4.5% of the population is Multiracial. St. Peter ranks 651st statewide in terms of Multiracial residents as a share of the population, out of 915 places.

Since the 2020 Census, St. Peter's Multiracial population has declined by an estimated 1.3%. Multiracial residents' share of St. Peter's population has remained roughly unchanged at 2.4%.

St. Peter is more Multiracial than neighboring Kasota (1.1% Multiracial). St. Peter is less Multiracial than neighboring Cleveland (4.4% Multiracial), Le Sueur (4.8% Multiracial), Mankato (3.1% Multiracial), and North Mankato (2.6% 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.