Geography
Portage is located at 41°34′55″N 87°11′12″W (41.581850, −87.186553).[13]
According to the 2010 census, Portage has a total area of 27.614 square miles (71.52 km2), of which 25.63 square miles (66.38 km2) (or 92.82%) is land and 1.984 square miles (5.14 km2) (or 7.18%) is water.[14]
Demographics
2010 census
As of the census[15] of 2010, there were 36,828 people, 13,992 households, and 9,751 families living in the city. The population density was 1,436.9 inhabitants per square mile (554.8/km2). There were 14,807 housing units at an average density of 577.7 per square mile (223.1/km2). The racial makeup of the city was 83.6% White, 7.3% African American, 0.4% Native American, 0.9% Asian, 5.2% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 16.4% of the population.
There were 13,992 households, of which 36.3% had children under the age of 18 living with them, 49.0% were married couples living together, 14.6% had a female householder with no husband present, 6.1% had a male householder with no wife present, and 30.3% were non-families. 24.3% of all households were made up of individuals, and 9% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.10.
The median age in the city was 36.4 years. 25.7% of residents were under the age of 18; 8.5% were between the ages of 18 and 24; 27.5% were from 25 to 44; 26.2% were from 45 to 64; and 12.1% were 65 years of age or older. The gender makeup of the city was 48.4% male and 51.6% female.
2000 census
As of the census[4] of 2000, there were 33,496 people, 12,746 households, and 9,011 families living in the city. The population density was 1,315.8 inhabitants per square mile (508.0/km2). There were 13,375 housing units at an average density of 525.4 per square mile (202.9/km2). The racial makeup of the city was 92.52% White, 1.45% African American, 0.27% Native American, 0.64% Asian, 0.06% Pacific Islander, 3.20% from other races, and 1.86% from two or more races. Hispanic or Latino of any race were 9.94% of the population.
There were 12,746 households, out of which 34.7% had children under the age of 18 living with them, 53.7% were married couples living together, 12.2% had a female householder with no husband present, and 29.3% were non-families. 23.9% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.09.
In the city, the population was spread out, with 26.0% under the age of 18, 9.4% from 18 to 24, 29.9% from 25 to 44, 22.8% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 94.2 males. For every 100 females age 18 and over, there were 91.0 males.
The median income for a household in the city was $47,500, and the median income for a family was $54,316. Males had a median income of $46,224 versus $25,428 for females. The per capita income for the city was $20,146. About 5.8% of families and 7.5% of the population were below the poverty line, including 10.6% of those under age 18 and 5.6% of those age 65 or over.