Dedham ZIP Codes — Carroll County, IA

There is one unique ZIP code in Dedham, Iowa and it is 51440. Area code: 712.

ZIP codes

26.41

sq mi land

0.00

sq mi water

712

area code

Dedham, IA ZIP code map

About Dedham, IA

Dedham, Iowa, is a small town located within Carroll County that boasts a rich community spirit. Known for its friendly residents and local charm, Dedham provides a welcoming atmosphere for visitors and newcomers alike. The town is characterized by its peaceful rural setting and strong agricultural roots, making it a quaint representation of small-town Iowa living.

Location & geography

Dedham is situated in the west-central region of Iowa and covers an expansive land area of 26.41 square miles. It is bordered by several towns, including Carroll to the northeast, Coon Rapids to the southwest, and Glidden to the southeast, providing easy access to neighboring communities. Notably, the town has no significant bodies of water, as it encompasses 0.00 square miles of water area.

Community & economy

The character of Dedham is deeply rooted in its agricultural landscape and community-oriented lifestyle. Many residents are engaged in farming and related industries, enriching the local economy and maintaining strong traditions. Daily life in Dedham often revolves around community events, local gatherings, and support for small businesses, fostering a strong sense of belonging.

Transportation

Dedham is conveniently accessible via US Highway 30, making it easy to reach from nearby cities and towns. The nearest airport is the Carroll Municipal Airport, located approximately 10 miles to the northeast, which offers limited services primarily for general aviation.

History

Founded in the late 19th century, Dedham has a historical significance tied to the agricultural development of Carroll County. The town has historically been known for its farming and agricultural production, contributing to the overall economy of the region. Notable events in Dedham's history include the establishment of local businesses and community organizations that have supported its growth over the years.

Did you know?

A little-known fact about Dedham is that it is home to a strong sense of community, marked by various annual events that celebrate local culture and heritage. Additionally, the town features a unique blend of traditional Iowa charm with modern amenities, making it a hidden gem in the state.

ZIP codes for Dedham, IA (1)

ZIP code	City	County	Map
51440	Dedham	Carroll	View map

Demographics & statistics

287

Population

32.1

Median age

$65,000

Median household income

$27,926

Per capita income

$136,700

Median home value

Median monthly rent

95.2%

Home ownership

17.4%

Poverty rate

1.3%

Unemployment

Housing units

11.4%

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	87	30.3%
18 and over	200	69.7%
65 and over	37	12.9%
Median age	32.1 years

Race & ethnicity

White 98.6%

Hispanic or Latino 0.7%

Two or more races 0.7%

Group	Count	%
White	285	98.6%
Hispanic or Latino	2	0.7%
Two or more races	2	0.7%

Household income

Under $10k 1.9%

$10k–$15k 3.8%

$15k–$25k 5.8%

$25k–$35k 12.5%

$35k–$50k 3.8%

$50k–$75k 26.9%

$75k–$100k 22.1%

$100k–$150k 20.2%

$150k–$200k 1.9%

$200k+ 1.0%

Range	% of households
Under $10k	1.9%
$10k–$15k	3.8%
$15k–$25k	5.8%
$25k–$35k	12.5%
$35k–$50k	3.8%
$50k–$75k	26.9%
$75k–$100k	22.1%
$100k–$150k	20.2%
$150k–$200k	1.9%
$200k+	1.0%
Median income	$65,000

Housing

Home values

Under $50k 5.1%

$50k–$100k 9.1%

$100k–$150k 44.4%

$150k–$200k 4.0%

$200k–$300k 27.3%

$300k–$500k 10.1%

Housing overview

Metric	Value
Median home value	$136,700
Median rent / month	$0
Owner occupied	95.2%
Renter occupied	4.8%
Vacant	0.0%
Single-family detached	99.0%
Large apartment buildings	0.0%
Mobile homes	1.0%
Median rooms	7.0
Avg household size (owned)	2.79

Year built

Era	%
2020 or later	0.0%
2010–2019	5.8%
2000–2009	3.8%
1990–1999	10.6%
1980–1989	19.2%
1970–1979	10.6%
1960–1969	14.4%
1950–1959	8.7%
1940–1949	6.7%
1939 or earlier	20.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.0%
2 bedrooms	19.2%
3 bedrooms	47.1%
4 bedrooms	27.9%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	17.3%
2 vehicles	48.1%
3 or more	33.7%

Heating fuel

Fuel type	%
Electricity	30.8%
Propane / LP gas	69.2%

Households & families

Household type	Count	%
Married-couple family	60	57.7%
Cohabiting couple	6	5.8%
Male householder, no spouse	20	19.2%
Female householder, no spouse	18	17.3%
Households with children under 18	38	36.5%
Households with seniors (65+)	24	23.1%
Average household size	2.76

Marital status

Status	Male	Female
Never married	32.2%	19.8%
Married	54.8%	64.4%
Separated	0.0%	0.0%
Widowed	5.2%	5.9%
Divorced	7.8%	9.9%

Education

Less than 9th grade 2.3%

Some HS, no diploma 1.1%

HS graduate 40.6%

Some college, no degree 19.4%

Associate's degree 25.1%

Bachelor's degree 5.1%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	11.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	2.4%
Kindergarten	1	1.2%
Elementary school	41	48.2%
High school	20	23.5%
College / grad school	21	24.7%

Employment

Industry of employment

Education & healthcare 18.9%

Agriculture & mining 14.2%

Construction 11.5%

Retail trade 11.5%

Arts, food & hospitality 11.5%

Manufacturing 10.1%

Wholesale trade 6.1%

Finance & real estate 6.1%

Professional & management 6.1%

Other services 3.4%

Transportation & utilities 0.7%

Occupation

Category	%
Management, business & arts	25.7%
Service	20.9%
Sales & office	22.3%
Natural resources & construction	17.6%
Production & transportation	13.5%

Employment type

Type	%
Private sector	73.6%
Government	12.2%
Self-employed	14.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	7.4%
Public transit	4.1%
Walk	0.7%
Other means	2.0%
Avg commute (minutes)	19.7

Poverty

All people 17.4%

Under 18 years 29.9%

18 and over 12.0%

Married-couple families 6.7%

Female-led households 27.8%

Income support

Source	% of households
Social Security	21.2%
Retirement income	11.5%
Supplemental Security	1.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	31.8%
High cholesterol	32.3%
Heart disease	6.2%
Stroke	2.8%
Asthma	9.1%
Arthritis	23.3%
Kidney disease	2.7%
Pulmonary disease	6.4%
Cancer	6.5%

Behavior / access	%
Binge drinking	24.7%
No physical activity	21.7%
Less than 7 hrs sleep	31.0%
Fair or poor health	11.8%
Poor mental health	13.6%
Poor physical health	9.1%
No health insurance	9.2%
Visited doctor (checkup)	72.6%
Visited dentist	64.0%
Cholesterol screening	87.5%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	22	11.0%

Disability	%
Any disability	6.3%
Under 18	0.0%
18–64 years	5.5%
65 and over	24.3%

Health insurance coverage

Type	%
Private insurance	83.3%
Public insurance	23.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	266	92.7%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	287	100.0%
Born in same state	287	100.0%
Born in different state	277	96.5%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	36	12.5%
Arab	27	9.4%

Ancestry	Count	%
French	7	2.4%
English	4	1.4%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	94.2%

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

Frequently asked questions

What ZIP codes does Dedham, IA have?

Dedham, IA has one ZIP code: 51440. Each ZIP code serves a distinct delivery area within the city and surrounding region.