Checked
Diagonal, IA
City in Ringgold County, Iowa.
Population
454
Land area
0.9sq mi
People per sq mi
497
ZIP codes
0
Diagonal and its ZIP codes
Diagonal at a glance
- Diagonal is about 8.7 times as dense as Iowa as a whole.
Local data for Diagonal, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Ringgold County. PPP loans are for Diagonal.
Unemployment rate
2.3%
Sep 2026, -0.2 pts in a year
Average annual pay
$49,259
1,393 jobs, 2025
Income per person
$61,132
BEA, 2024
Federal spending
$39.5M
FY 2026, $8,465 per person
Environment and hazard risk
Diagonal, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
399
Countywide, mostly hail
July high / Jan low
85° / 12°F
37.0 inches of rain a year
Health statistics
Share of adults in Diagonal, IA, CDC PLACES estimates
Obesity
38.7%
U.S. 33.3% +5.4 pts
Diabetes
11.7%
U.S. 12.1% about the same
Smoking
11.7%
U.S. 12.8% -1.1 pts
Uninsured (18-64)
6.2%
U.S. 11.1% -4.9 pts
Cities near Diagonal
| Name | Distance | Land area (sq mi) |
|---|---|---|
| ClearfieldCity | 7.1 mi | 1.2 |
| BentonCity | 7.1 mi | 0.8 |
| Shannon CityCity | 7.5 mi | 0.4 |
| TingleyCity | 8.2 mi | 0.7 |
| Mount AyrCity | 8.4 mi | 2.7 |
| DelphosCensus-designated place | 10 mi | 0.2 |
| MaloyCity | 10 mi | 0.6 |
| ArispeCity | 12 mi | 0.5 |
| KentCensus-designated place | 12 mi | 0.5 |
| EllstonCity | 12 mi | 0.2 |
| LenoxCity | 13 mi | 1.9 |
| ReddingCity | 14 mi | 1 |
| Sun Valley LakeCensus-designated place | 14 mi | 2.1 |
| BlocktonCity | 15 mi | 0.6 |
| BeaconsfieldCity | 15 mi | 0.7 |
| ConwayCity | 15 mi | 0.2 |
Frequently asked questions
- What county is Diagonal, IA in?
- Diagonal is in Ringgold County, Iowa.
- What is the population of Diagonal, IA?
- About 454 people live in Diagonal, based on American Community Survey 5-year estimates.
- What cities are near Diagonal?
- Nearby places include Clearfield (7.1 mi), Benton (7.1 mi), Shannon City (7.5 mi), Tingley (8.2 mi), Mount Ayr (8.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023