As of the census² of 2000, there were 287,151 people, 112,109 households, and 60,987 families residing in St. Paul. The population density was 2,101.0/km² (5,441.7/mi²). There were 115,713 housing units at an average density of 846.6/km² (2,192.8/mi²). The racial makeup of the city was 67.02% White, 11.71% African American, 1.13% Native American, 12.36% Asian (mostly Hmong and Vietnamese), 0.07% Pacific Islander, 3.84% from other races, and 3.87% from two or more races. Hispanic or Latino of any race (incl. white) were 7.91% of the population.

Saint Paul has the world's second largest urban Hmong population.

There were 112,109 households out of which 29.1% had children under the age of 18 living with them, 36.1% were married couples living together, 13.9% had a female householder with no husband present, and 45.6% were non-families. 35.9% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.32.

In the city the population was spread out with 27.1% under the age of 18, 12.5% from 18 to 24, 32.0% from 25 to 44, 18.0% from 45 to 64, and 10.3% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 93.6 males. For every 100 females age 18 and over, there were 89.5 males.

The median income for a household in the city was $38,774, and the median income for a family was $48,925. Males had a median income of $35,111 versus $29,432 for females. The per capita income for the city was $20,216. About 11.7% of families and 15.6% of the population were below the poverty line, including 23.2% of those under age 18 and 9.7% of those age 65 or over.

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