Diagonal, Iowa
Diagonal: City in Iowa
About
Diagonal is a city located in the county of Ringgold in the U.S. state of Iowa. Its population at the 2010 census was 330 and a population density of 141 people per km². After 10 years in 2020 city had an estimated population of 312 inhabitants.
Quick Facts about Diagonal
| Population : | 312 (2020) |
| Country : | United States of America |
| State : | Iowa (United States) |
| County : | Ringgold County |
| Postal code : | 50845 |
| Area : | 2.35 km2 |
| Altitude : | 1,148 feet / 350 meters |
| Time Zone : | America/Chicago |
| Local time : | 20:10:26 (5th December 2025) |
| Density : | 133 Pop. per km² as of 2020 |
| Population growth : | -5.77% (2010-2020) |
Geography
Diagonal is located at 40°48'34"N 94°20'32"W (40.8094300, -94.3421800).
Diagonal map
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Demographics
According to census records, the population of Diagonal decreased by 5.77% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 330 | - | census |
| 2011 | 328 | -0.61% | estimation process |
| 2012 | 323 | -1.55% | estimation process |
| 2013 | 323 | 0% | estimation process |
| 2014 | 321 | -0.62% | estimation process |
| 2015 | 321 | 0% | estimation process |
| 2016 | 322 | 0.31% | estimation process |
| 2017 | 324 | 0.62% | estimation process |
| 2018 | 320 | -1.25% | estimation process |
| 2019 | 317 | -0.95% | estimation process |
| 2020 | 312 | -1.6% | estimation process |
Other Places in Diagonal
1 Diagonal City Hall
308 Broadway St, Diagonal, IA 50845 ➦ Show Map
☎ +16417345491 🔗 Url
Schools in Diagonal
College & universities near Diagonal, IA
| Code | Name | City | ZIP |
|---|---|---|---|
| 154396 | Southwestern Community College | Creston (IA) | 50801 |
| 153366 | Graceland University-Lamoni | Lamoni (IA) | 50140 |
Stations (2)
Amtrak & bus stations near Diagonal, IA
| Code | Name | Address | Type |
|---|---|---|---|
| CRN | Creston | Pine and Adams Avenue | RAIL |
| OSC | Osceola | Main & East Clay Streets | RAIL |
Other cities in Ringgold County
Cities, towns, neighborhoods & other populated places in Ringgold County , IA.
| City Name | Population | Title |
|---|---|---|
| Mount Ayr | 1,601 | City in Ringgold County, Iowa, United States of America |
| Kellerton | 292 | Human settlement in Ringgold County, Iowa, United States of America |
| Tingley | 156 | Township in Ringgold County, Iowa |
| Redding | 77 | City in Ringgold County, Iowa, United States |
| Benton | 40 | City in Iowa |
| Ellston | 38 | Human settlement in Ringgold County, Iowa, United States of America |
| Maloy | 27 | Human settlement in Ringgold County, Iowa, United States of America |
| Delphos | 24 | City in Iowa, USA |
| Beaconsfield | 15 | City in Iowa, United States |
