Delmar Flag

Delmar

County:
Clinton County
County Seat:
No
Area (mi²):
0.764
State:
Iowa

Delmar is a city located in Clinton County, Iowa. Delmar has a 2026 population of 539. Delmar is currently declining at a rate of -0.19% annually and its population has decreased by -0.92% since the most recent census, which recorded a population of 544 in 2020.

The median household income in Delmar is $68,750 with a poverty rate of 4.17%. The median age in Delmar is 38.6 years: 37.1 years for males, and 40.7 years for females. For every 100 females there are 111.5 males.

539
Total Population
705
Density (mi²)
-1 -0.19%
Growth

Delmar Population

Delmar Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026539-1-0.19%
2025540-1-0.18%
2024541-3-0.55%
202354430.55%
2022541-3-0.55%
202154400%
2020544-1-0.18%
2019484-1-0.21%
2018485-11-2.22%
2017496-4-0.8%
2016500-6-1.19%
2015506-1-0.2%
2014507-7-1.36%
2013514-5-0.96%
2012519-4-0.76%
2011523-2-0.38%
201052500%

Median Age

Overall: 38.6 years
Female: 40.7 years
Male: 37.1 years

Delmar Adults

There are 384 adults, (95 of whom are seniors) in Delmar.

Sex Ratio

Female: 227 (47.3%)
Male: 253 (52.7%)

Demographics

The racial composition of Delmar includes 93.33% White, 4.38% Black or African American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White44893.33%
Black or African American214.38%
Two or more races112.29%
Race
Population ↓
Percentage (of total)
Two or more races61.25%
Race
Population ↓
Percentage (of total)
White44893.33%
Black or African American214.38%
Two or more races51.04%

Delmar Marital Status

Economics and Income Statistics

Delmar 's average per capita income is $47,917. Household income levels show a median of $68,750. The poverty rate stands at 4.17%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$100,833-
Families$100,417$98,742
Households$68,750$82,697
Non Families$49,107$57,483

$47,917

Average Income

$68,750

Median Household Income

4.17%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)