is a city located in Shelby County, Iowa
. As of the 2000
census, the city had a total population of 372.
Geography\nIrwin is located at 41°47'26" North, 95°12'26" West (41.790449, -95.207341)1
According to the United States Census Bureau
, the city has a total area of 1.6 km²
). 1.6 km² (0.6 mi²) of it is land and none of it is covered by water.
Demographics\nAs of the census
, there are 372 people, 168 households, and 110 families residing in the city. The population density
is 239.4/km² (624.4/mi²). There are 180 housing units at an average density of 115.8/km² (302.1/mi²). The racial makeup of the city is 98.92% White, 0.27% African American
, 0.27% Native American
, 0.00% Asian
, 0.00% Pacific Islander, 0.00% from other races, and 0.54% from two or more races. 2.15% of the population are Hispanic
of any race.
There are 168 households out of which 25.0% have children under the age of 18 living with them, 57.7% are married couples living together, 6.0% have a female householder with no husband present, and 34.5% are non-families. 32.1% of all households are made up of individuals and 19.0% have someone living alone who is 65 years of age or older. The average household size is 2.21 and the average family size is 2.76.
In the city the population is spread out with 21.2% under the age of 18, 6.2% from 18 to 24, 22.6% from 25 to 44, 24.2% from 45 to 64, and 25.8% who are 65 years of age or older. The median age is 45 years. For every 100 females there are 90.8 males. For every 100 females age 18 and over, there are 91.5 males.
The median income for a household in the city is $30,417, and the median income for a family is $40,000. Males have a median income of $28,000 versus $18,393 for females. The per capita income for the city is $15,429. 9.8% of the population and 7.4% of families are below the poverty line. Out of the total people living in poverty, 9.8% are under the age of 18 and 13.5% are 65 or older.