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 2025 population of 540 . Delmar is currently declining at a rate of -0.18% annually and its population has decreased by -0.74% since the most recent census, which recorded a population of 544 in 2020.

The average household income in Delmar is $81,140 with a poverty rate of 2.64%. The median age in Delmar is 39.9 years: 38 years for males, and 42.3 years for females. For every 100 females there are 116.1 males.

540
Total Population
707
Density (mi²)
-1 -0.18%
Growth

Delmar Population

Delmar Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Delmar includes 91.37% White, 4.08% Black or African American, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

White (91.37%)

Black or African American (4.08%)

Two or more races (2.88%)

Other race (1.68%)

Race
Population
Percentage (of total)
White38191.37%
Black or African American174.08%
Two or more races122.88%
Other race71.68%

Delmar Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Delmar's average per capita income is $48,750. Household income levels show a median of $74,583. The poverty rate stands at 2.64%.

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$101,250-
Families$96,667$95,624
Households$74,583$81,140
Non Families$45,714$55,137

$48,750

Average Income

$74,583

Median Household Income

2.64%

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)