Hopkinton ZIP Codes — Delaware County, IA

There is one unique ZIP code in Hopkinton, Iowa and it is 52237. Area code: 563.

ZIP codes

84.12

sq mi land

0.04

sq mi water

563

area code

Hopkinton, IA ZIP code map

About Hopkinton, IA

Hopkinton is a small city located in Delaware County, Iowa. Known for its tight-knit community and friendly atmosphere, it offers a quaint rural lifestyle. The city is characterized by its charming neighborhoods and local events that bring residents together.

Location & geography

Hopkinton is situated in the eastern part of Iowa, approximately 25 miles from the larger city of Dubuque and about 30 miles from Cedar Rapids. The city covers a total land area of 84.12 square miles, with a minimal water area of 0.04 square miles. The terrain is primarily flat and rural, contributing to the area's agricultural economy.

Community & economy

The community of Hopkinton takes pride in its local events and strong familial ties. Industries in the area primarily revolve around agriculture, with farming being a crucial part of daily life. Residents enjoy a peaceful lifestyle, with various recreational activities available in the surrounding natural landscapes.

Transportation

Hopkinton is accessible via Iowa Highway 38, which connects it to nearby towns and larger cities. The nearest major airport is the Dubuque Regional Airport, located roughly 25 miles away, providing regional flight services. Public transportation options are limited in this rural area, making personal vehicles the most common mode of transport.

History

Hopkinton was founded in the 19th century, with agriculture being a significant factor in its early development. Throughout its history, the city has experienced various economic developments, largely influenced by its farming community. Notable events in the city’s history include local fairs and community gatherings that celebrate its agricultural roots.

Did you know?

One little-known fact about Hopkinton is that it features a unique annual festival that showcases local artisans and farmers. Additionally, the city has been home to several notable figures in Iowa's agricultural history.

ZIP codes for Hopkinton, IA (1)

ZIP code	City	County	Map
52237	Hopkinton	Delaware	View map

Demographics & statistics

1,623

Population

28.0

Median age

$81,796

Median household income

$37,018

Per capita income

$156,500

Median home value

$340

Median monthly rent

85.7%

Home ownership

7.9%

Poverty rate

0.8%

Unemployment

553

Housing units

13.1%

Bachelor's or higher

Age distribution

Male Female

117

Under 5

111

5–9

10–14

15–19

20–24

125

25–34

120

112

35–44

106

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	552	34.0%
18 and over	1,071	66.0%
65 and over	178	11.0%
Median age	28.0 years

Race & ethnicity

White 98.1%

Two or more races 1%

Hispanic or Latino 0.9%

Group	Count	%
White	1,607	98.1%
Two or more races	16	1%
Hispanic or Latino	15	0.9%

Household income

Under $10k 6.3%

$10k–$15k 0.9%

$15k–$25k 6.5%

$25k–$35k 2.5%

$35k–$50k 7.4%

$50k–$75k 14.1%

$75k–$100k 25.1%

$100k–$150k 21.7%

$150k–$200k 7.4%

$200k+ 8.1%

Range	% of households
Under $10k	6.3%
$10k–$15k	0.9%
$15k–$25k	6.5%
$25k–$35k	2.5%
$35k–$50k	7.4%
$50k–$75k	14.1%
$75k–$100k	25.1%
$100k–$150k	21.7%
$150k–$200k	7.4%
$200k+	8.1%
Median income	$81,796

Housing

Home values

Under $50k 9.7%

$50k–$100k 20.0%

$100k–$150k 15.8%

$150k–$200k 30.5%

$200k–$300k 14.5%

$300k–$500k 9.5%

Housing overview

Metric	Value
Median home value	$156,500
Median rent / month	$340
Owner occupied	85.7%
Renter occupied	14.3%
Vacant	12.3%
Single-family detached	88.8%
Large apartment buildings	0.0%
Mobile homes	7.8%
Median rooms	6.4
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.0%
2010–2019	4.1%
2000–2009	6.0%
1990–1999	11.7%
1980–1989	9.2%
1970–1979	14.7%
1960–1969	3.8%
1950–1959	9.3%
1940–1949	3.6%
1939 or earlier	37.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.1%
2 bedrooms	20.3%
3 bedrooms	50.2%
4 bedrooms	20.7%
5+ bedrooms	6.8%

Vehicles per household

Vehicles	% of households
No vehicle	17.5%
1 vehicle	12.6%
2 vehicles	24.5%
3 or more	45.3%

Heating fuel

Fuel type	%
Utility gas	39.9%
Electricity	10.3%
Propane / LP gas	29.6%
Fuel oil	2.2%
Wood	18.1%

Households & families

Household type	Count	%
Married-couple family	392	70.8%
Cohabiting couple	15	2.7%
Male householder, no spouse	59	10.6%
Female householder, no spouse	88	15.9%
Households with children under 18	253	45.7%
Households with seniors (65+)	126	22.7%
Average household size	2.93

Marital status

Status	Male	Female
Never married	19.0%	18.8%
Married	74.6%	66.9%
Separated	0.0%	0.0%
Widowed	1.4%	9.9%
Divorced	5.0%	4.4%

Education

Less than 9th grade 12.9%

Some HS, no diploma 5.6%

HS graduate 40.3%

Some college, no degree 21.2%

Associate's degree 6.8%

Bachelor's degree 11.1%

Graduate / professional 2.1%

Metric	%
HS diploma or higher	81.4%
Bachelor's or higher	13.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	3.4%
Kindergarten	36	10.1%
Elementary school	192	53.8%
High school	86	24.1%
College / grad school	31	8.7%

Employment

Industry of employment

Manufacturing 25.6%

Construction 20.5%

Education & healthcare 18.2%

Other services 8.5%

Retail trade 7.3%

Wholesale trade 5.8%

Agriculture & mining 5.5%

Public administration 3.4%

Finance & real estate 2.6%

Professional & management 1.5%

Transportation & utilities 0.5%

Information 0.5%

Arts, food & hospitality 0.3%

Occupation

Category	%
Management, business & arts	33.8%
Service	9.2%
Sales & office	13.5%
Natural resources & construction	20.7%
Production & transportation	22.9%

Employment type

Type	%
Private sector	74.7%
Government	7.1%
Self-employed	15.6%
Unpaid family workers	2.6%

Commute

Method	%
Drive alone	62.9%
Carpool	21.4%
Public transit	3.9%
Walk	0.7%
Other means	3.1%
Avg commute (minutes)	31.3

Poverty

All people 7.9%

Under 18 years 8.7%

18 and over 7.6%

Married-couple families 3.6%

Female-led households 8.3%

Income support

Source	% of households
Social Security	30.0%
Retirement income	27.1%
Supplemental Security	1.8%
Cash public assistance	3.6%
Food stamps / SNAP	5.4%

Health indicators

Condition	%
High blood pressure	32.8%
High cholesterol	32.9%
Heart disease	6.6%
Stroke	3.0%
Asthma	9.1%
Arthritis	24.4%
Kidney disease	2.8%
Pulmonary disease	6.8%
Cancer	7.1%

Behavior / access	%
Binge drinking	22.3%
No physical activity	23.1%
Less than 7 hrs sleep	29.9%
Fair or poor health	12.4%
Poor mental health	13.0%
Poor physical health	9.5%
No health insurance	9.2%
Visited doctor (checkup)	73.8%
Visited dentist	67.8%
Cholesterol screening	88.8%
Teeth loss	12.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	38	3.5%

Disability	%
Any disability	5.2%
Under 18	0.0%
18–64 years	5.0%
65 and over	22.5%

Health insurance coverage

Type	%
Private insurance	60.9%
Public insurance	27.1%
Uninsured under 19	22.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,395	86.0%
Spanish	27	1.9%
Other Indo-European	21	1.5%
Asian & Pacific Islander	6	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,623	100.0%
Born in same state	1,623	100.0%
Born in different state	1,463	90.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	182	11.2%
Arab	167	10.3%
French	151	9.3%
Dutch	4	0.2%

Ancestry	Count	%
German	2	0.1%
English	2	0.1%
Polish	2	0.1%

Technology access

Metric	% of households
Computer access	34.1%
Internet access	80.3%

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

Frequently asked questions

What ZIP codes does Hopkinton, IA have?

Hopkinton, IA has one ZIP code: 52237. Each ZIP code serves a distinct delivery area within the city and surrounding region.