Delmar ZIP Codes — Clinton County, IA

There is one unique ZIP code in Delmar, Iowa and it is 52037. Area code: 563.

ZIP codes

68.26

sq mi land

0.02

sq mi water

563

area code

Delmar, IA ZIP code map

About Delmar, IA

Delmar, Iowa, is a small but charming city located in the heart of Clinton County. With a close-knit community and scenic landscapes, it offers a peaceful environment for both residents and visitors. Known for its friendly atmosphere, Delmar is a perfect representation of small-town America.

Location & geography

Delmar is situated in the eastern part of Iowa, approximately 15 miles from the larger city of Clinton and around 25 miles from Davenport. The city covers a total land area of 68.26 square miles, with a negligible water area of 0.02 square miles, giving it a predominantly terrestrial landscape. It is surrounded by other small communities, making it an accessible hub in the region.

Community & economy

The character of Delmar is defined by its strong community bonds and a focus on local industries. Residents enjoy a lifestyle that emphasizes agriculture and small business operations, which contribute significantly to the local economy. Daily life in Delmar reflects the values of friendliness, with various community events and gatherings throughout the year.

Transportation

Delmar is conveniently located near key highways, which provide easy access for both residents and visitors traveling to nearby areas. The nearest major roadway is Highway 61, which connects the city to larger urban centers. For air travel, the nearest airport is the Quad City International Airport, located approximately 30 miles away.

History

Delmar was founded in the late 19th century, primarily as an agricultural community that supported the surrounding farming regions. Over the years, it has retained its agricultural roots while also seeing the development of small businesses that cater to local needs. One notable event in the city's history is its participation in the rural electrification movement, which brought modern conveniences to its residents.

Did you know?

A surprising fact about Delmar is that it is one of the smallest cities in Clinton County, showcasing the charm of rural life in Iowa. Additionally, it prides itself on its low crime rate and community-oriented living, which make it an attractive place for families and retirees.

ZIP codes for Delmar, IA (1)

ZIP code	City	County	Map
52037	Delmar	Clinton	View map

Demographics & statistics

943

Population

42.7

Median age

$73,333

Median household income

$36,702

Per capita income

$169,600

Median home value

$621

Median monthly rent

91.1%

Home ownership

4.8%

Poverty rate

2.3%

Unemployment

386

Housing units

25.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	212	22.5%
18 and over	731	77.5%
65 and over	242	25.7%
Median age	42.7 years

Race & ethnicity

White 91.5%

Two or more races 4%

Hispanic or Latino 2.6%

Black or African American 1.3%

Other race 0.5%

Group	Count	%
White	886	91.5%
Two or more races	39	4%
Hispanic or Latino	25	2.6%
Black or African American	13	1.3%
Other race	5	0.5%

Household income

Under $10k 1.6%

$10k–$15k 3.2%

$15k–$25k 9.1%

$25k–$35k 9.7%

$35k–$50k 15.9%

$50k–$75k 14.8%

$75k–$100k 14.0%

$100k–$150k 19.4%

$150k–$200k 5.4%

$200k+ 7.0%

Range	% of households
Under $10k	1.6%
$10k–$15k	3.2%
$15k–$25k	9.1%
$25k–$35k	9.7%
$35k–$50k	15.9%
$50k–$75k	14.8%
$75k–$100k	14.0%
$100k–$150k	19.4%
$150k–$200k	5.4%
$200k+	7.0%
Median income	$73,333

Housing

Home values

Under $50k 1.5%

$50k–$100k 27.7%

$100k–$150k 15.9%

$150k–$200k 18.0%

$200k–$300k 9.4%

$300k–$500k 19.5%

$500k–$1M 5.0%

$1M+ 2.9%

Housing overview

Metric	Value
Median home value	$169,600
Median rent / month	$621
Owner occupied	91.1%
Renter occupied	8.9%
Vacant	11.2%
Single-family detached	93.8%
Large apartment buildings	0.5%
Mobile homes	2.6%
Median rooms	6.9
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.0%
2010–2019	3.8%
2000–2009	4.8%
1990–1999	8.8%
1980–1989	3.1%
1970–1979	14.8%
1960–1969	5.0%
1950–1959	2.9%
1940–1949	8.4%
1939 or earlier	48.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.4%
2 bedrooms	19.3%
3 bedrooms	44.2%
4 bedrooms	21.2%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.5%
1 vehicle	17.7%
2 vehicles	38.7%
3 or more	43.0%

Heating fuel

Fuel type	%
Utility gas	43.8%
Electricity	18.8%
Propane / LP gas	29.6%
Fuel oil	3.2%
Wood	2.7%
Solar	1.1%

Households & families

Household type	Count	%
Married-couple family	226	60.8%
Cohabiting couple	18	4.8%
Male householder, no spouse	49	13.2%
Female householder, no spouse	79	21.2%
Households with children under 18	83	22.3%
Households with seniors (65+)	160	43.0%
Average household size	2.53

Marital status

Status	Male	Female
Never married	27.0%	24.0%
Married	63.2%	58.4%
Separated	0.3%	0.0%
Widowed	3.8%	10.6%
Divorced	5.7%	6.9%

Education

Less than 9th grade 1.0%

Some HS, no diploma 2.8%

HS graduate 44.4%

Some college, no degree 17.2%

Associate's degree 9.3%

Bachelor's degree 16.6%

Graduate / professional 8.7%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	25.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	14	7.7%
Kindergarten	9	4.9%
Elementary school	87	47.8%
High school	53	29.1%
College / grad school	19	10.4%

Employment

Industry of employment

Education & healthcare 32.0%

Manufacturing 14.5%

Agriculture & mining 12.4%

Construction 10.7%

Retail trade 7.7%

Finance & real estate 4.9%

Other services 4.1%

Arts, food & hospitality 3.6%

Transportation & utilities 2.8%

Wholesale trade 2.3%

Professional & management 2.3%

Public administration 2.3%

Information 0.4%

Occupation

Category	%
Management, business & arts	43.5%
Service	15.6%
Sales & office	15.4%
Natural resources & construction	8.5%
Production & transportation	17.1%

Employment type

Type	%
Private sector	78.3%
Government	11.7%
Self-employed	10.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.9%
Carpool	4.5%
Public transit	0.0%
Walk	1.9%
Other means	0.4%
Avg commute (minutes)	25.3

Poverty

All people 4.8%

Under 18 years 5.6%

18 and over 4.7%

Married-couple families 0.9%

Female-led households 11.5%

Income support

Source	% of households
Social Security	41.4%
Retirement income	21.8%
Supplemental Security	4.3%
Cash public assistance	0.5%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
High blood pressure	33.8%
High cholesterol	34.6%
Heart disease	6.9%
Stroke	3.0%
Asthma	9.5%
Arthritis	24.9%
Kidney disease	2.9%
Pulmonary disease	7.0%
Cancer	7.4%

Behavior / access	%
Binge drinking	21.5%
No physical activity	23.9%
Less than 7 hrs sleep	31.2%
Fair or poor health	12.6%
Poor mental health	13.1%
Poor physical health	9.6%
No health insurance	9.3%
Visited doctor (checkup)	76.3%
Visited dentist	66.2%
Cholesterol screening	89.3%
Teeth loss	12.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	84	11.5%

Disability	%
Any disability	15.6%
Under 18	7.5%
18–64 years	8.4%
65 and over	37.2%

Health insurance coverage

Type	%
Private insurance	72.2%
Public insurance	40.7%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	878	93.1%
Spanish	3	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	3	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	940	99.7%
Born in same state	938	99.5%
Born in different state	812	86.1%
Foreign born	2	0.2%
Naturalized citizen	3	0.3%
Not a US citizen	3	100.0%

Ancestry

Ancestry	Count	%
Italian	200	21.2%
French	67	7.1%
Arab	32	3.4%

Ancestry	Count	%
Polish	17	1.8%
Dutch	16	1.7%
English	7	0.7%

Technology access

Metric	% of households
Computer access	39.4%
Internet access	86.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Delmar, IA have?

Delmar, IA has one ZIP code: 52037. Each ZIP code serves a distinct delivery area within the city and surrounding region.