Each edition grades its towns against each other only.
Home to 2 places on the National Register of Historic Places.
Among 141 Iowa towns, just 3 have a higher average commute than Delmar. Its National Register listings include Delmar Calaboose. Delmar has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Delmar beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 410 in 1880, 542 in 2020. The archive holds 6 old photos and papers going back to 2004 and a map from 1980 on.
2 places on the National Register of Historic Places.
Who provides power, water and the rest in Delmar, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Delmar.
Jobs based in Delmar grew to 72 in 2023, 23 more than in 2013. The share of residents in Delmar who live below the poverty line is 4.2%, below both the Iowa town median (11%) and the median of U.S. towns (9.6%). For half of commuters, work is under 30 miles away. The top destinations are Maquoketa (12%), Davenport (11%) and DeWitt (9%).
| Delmar | Iowa towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 2.2% | 31% | 8% |
| Below the poverty line | 4.2% | 11% | 9.6% |
| Median household income | $69,000 | $69,000 | $80,000 |
Census LEHD 2023 · ACS
Its public schools are run by the Delwood Community School District. Delmar’s only public school teaches 142 students.
| School | Level | Students | Letter |
|---|---|---|---|
| Delwood Elementary SchoolLargest public elementary schoolGrades PK–6 | Grades PK–6 | 142 | A− |
NCES · EDFacts
The share of households in Delmar who are owner-occupiers is 88%, against 70% in Iowa’s towns and 73% across U.S. towns. Home values are up 6.6% over the year to September 2026. Also worth knowing: its median rent is $944 a month.
| Delmar | Iowa towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 88% | 70% | 73% |
| Median rent | $944 a month | $911 a month | $1,185 a month |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
In July, afternoons reach 83°; in January, nights fall to 13°, and about 30 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Among adults in Delmar, 16% smoke cigarettes and 77% had a checkup this year. Delmar: just over a fifth of adults binge drink.
| Delmar | Iowa towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 22% | 20% | 16% |
| Smoke cigarettes (CDC PLACES) | 16% | 15% | 14% |
| Yearly checkup (CDC PLACES) | 77% | 78% | 79% |
| Sleep under 7 hours (CDC PLACES) | 34% | 32% | 36% |
| What stands out | Delmar | IA |
|---|---|---|
| More older adults who have lost all their teeth | 16.4% | 11.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Among adults 25 and older, 30% have a four-year degree or more, against 31% across Iowa. No age group stands out against Iowa: all are within 4 points. In Delmar, 20% of residents are 65 or older.
| Delmar | Iowa towns | U.S. towns | |
|---|---|---|---|
| Aged 65 or older | 20% | 19% | 18% |
| Bachelor’s degree or more, 25+ | 30% | 25% | 29% |
| Median age | 38.6 years | 38.7 years | 40.5 years |
Somewhere between 32% and 63% women
The Census survey reached too few of Delmar’s residents to say more: its margin here is ±15.8 points. Across Iowa, 49.8% of residents are women.
| Delmar | IA | U.S. | |
|---|---|---|---|
| Under 10 | 9% | 12.2% | 11.6% |
| 10 to 17 | 11% | 10.7% | 10.3% |
| 18 to 24 | 10.4% | 10% | 9.1% |
| 25 to 34 | 16% | 12.5% | 13.7% |
| 35 to 44 | 11.7% | 12.6% | 13.2% |
| 45 to 54 | 5.4% | 11.3% | 12.2% |
| 55 to 64 | 16.7% | 12.6% | 12.7% |
| 65 to 74 | 15.2% | 10.6% | 10.2% |
| 75 and older | 4.6% | 7.6% | 7% |
| No diploma | 7.2% | 6.7% | 10.4% |
| High school | 29.6% | 30% | 26% |
| Some college | 20.7% | 19.7% | 19.1% |
| Associate’s | 12.3% | 12.1% | 8.8% |
| Bachelor’s | 25.4% | 20.9% | 21.6% |
| Graduate | 4.8% | 10.5% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 500, single groups can be off by several points
The risk rating from FEMA in Delmar is 52 of 100. Federal aid has come to Delmar households in 2 declared disasters; the latest was in 2020. Of the losses FEMA expects in the town, 39% come from inland flooding and 22% from drought.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
None within 15 miles of Delmar; the nearest are
About 0 of every 100 Delmar residents are enrolled in college, against 6 across Iowa.
Where Delmar’s working residents go each day. Line width shows the share.
Census LEHD 2023
2 places in Delmar on the National Register of Historic Places.
City in Iowa, United States
Delmar is a city in Clinton County, Iowa, United States. The population was 542 at the time of the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Delmar has fewer than 1,000 residents, too few for fair grades; the figures below are still real. Home to 2 places on the National Register of Historic Places.
