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Irwin, Iowa
Norwegian Lutheran Church in 1941
Norwegian Lutheran Church in 1941
Location of Irwin, Iowa
Location of Irwin, Iowa
Country  United States
State  Iowa
County Shelby
Area
 • Total 0.60 sq mi (1.55 km2)
 • Land 0.60 sq mi (1.55 km2)
 • Water 0 sq mi (0 km2)
Elevation
1,289 ft (393 m)
Population
 (2010)
 • Total 341
 • Estimate 
(2012)
333
 • Density 568.3/sq mi (219.4/km2)
Time zone UTC-6 (Central (CST))
 • Summer (DST) UTC-5 (CDT)
ZIP code
51446
Area code(s) 712
FIPS code 19-39000
GNIS feature ID 0457863

Irwin is a city in Shelby County, Iowa, United States, along the West Nishnabotna River. The population was 341 at the 2010 census.

History

The Western Town Lot Company established Irwin in 1881. The town was named for E. W. Irwin, the property owner. Irwin was incorporated in 1892.

Geography

Irwin is located at 41°47′26″N 95°12′26″W / 41.79056°N 95.20722°W / 41.79056; -95.20722 (41.790449, -95.207341).

According to the United States Census Bureau, the city has a total area of 0.60 square miles (1.55 km2), all of it land.

Demographics

Historical populations
Year Pop. ±%
1900 295 —    
1910 278 −5.8%
1920 311 +11.9%
1930 357 +14.8%
1940 345 −3.4%
1950 381 +10.4%
1960 425 +11.5%
1970 446 +4.9%
1980 427 −4.3%
1990 394 −7.7%
2000 372 −5.6%
2010 341 −8.3%
2014 334 −2.1%
2015 333 −0.3%
Source: and Iowa Data Center
Source:
U.S. Decennial Census

2010 census

As of the census of 2010, there were 341 people, 165 households, and 97 families residing in the city. The population density was 568.3 inhabitants per square mile (219.4/km2). There were 185 housing units at an average density of 308.3 per square mile (119.0/km2). The racial makeup of the city was 98.8% White, 0.6% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.2% of the population.

There were 165 households of which 21.2% had children under the age of 18 living with them, 51.5% were married couples living together, 6.1% had a female householder with no husband present, 1.2% had a male householder with no wife present, and 41.2% were non-families. 37.6% of all households were made up of individuals and 20% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.71.

The median age in the city was 52.3 years. 18.5% of residents were under the age of 18; 6.5% were between the ages of 18 and 24; 15.3% were from 25 to 44; 29.9% were from 45 to 64; and 29.9% were 65 years of age or older. The gender makeup of the city was 47.2% male and 52.8% female.

Shelby County, Iowa. The general attitude in this community about education is that every child shou . . . - NARA - 522345
The Irwin Consolidated School is listed on the National Register of Historic Places

2000 census

As of the census of 2000, there were 372 people, 168 households, and 110 families residing in the city. The population density was 624.4 people per square mile (239.4/km²). There were 180 housing units at an average density of 302.1 per square mile (115.8/km²). The racial makeup of the city was 98.92% White, 0.27% African American, 0.27% Native American, and 0.54% from two or more races. Hispanic or Latino of any race were 2.15% of the population.

There were 168 households out of which 25.0% had children under the age of 18 living with them, 57.7% were married couples living together, 6.0% had a female householder with no husband present, and 34.5% were non-families. 32.1% of all households were made up of individuals and 19.0% had someone living alone who was 65 years of age or older. The average household size was 2.21 and the average family size was 2.76.

In the city, the population was 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 were 65 years of age or older. The median age was 45 years. For every 100 females there were 90.8 males. For every 100 females age 18 and over, there were 91.5 males.

The median income for a household in the city was $30,417, and the median income for a family was $40,000. Males had a median income of $28,000 versus $18,393 for females. The per capita income for the city was $15,429. About 7.4% of families and 9.8% of the population were below the poverty line, including 9.8% of those under age 18 and 13.5% of those age 65 or over.

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