Monmouth ZIP Codes — Jackson County, IA

There is one unique ZIP code in Monmouth, Iowa and it is 52309. Area code: 563.
1
ZIP codes
34.27
sq mi land
0.05
sq mi water
563
area code
Monmouth, IA ZIP code map

About Monmouth, IA

Monmouth is a small yet charming city located in Iowa, nestled within Jackson County. Known for its close-knit community and serene environment, Monmouth provides a peaceful lifestyle away from the hustle and bustle of larger cities. With a single ZIP code of 52309, this city is both a hidden gem and an inviting place for residents and visitors alike.

Location & geography

Geographically, Monmouth is situated in the northeastern part of Jackson County, Iowa. It is surrounded by several small towns and cities, including Maquoketa located about 13 miles to the west, and DeWitt approximately 17 miles to the east. The total land area of Monmouth encompasses 34.27 square miles, with a minimal water area of just 0.05 square miles, offering picturesque rural landscapes.

Community & economy

The community in Monmouth is characterized by its friendly residents and a strong sense of local pride. Agriculture plays a significant role in the local economy, with many residents engaged in farming and related industries. Daily life in Monmouth revolves around community events, local gatherings, and maintaining a peaceful, rural lifestyle.

Transportation

Transportation in Monmouth is primarily facilitated by local roads connecting to major highways, including U.S. Route 61 situated about 10 miles to the west. The nearest airport serving the area is the Maquoketa Municipal Airport, providing access to nearby towns and cities. Residents typically rely on personal vehicles for day-to-day travel, given the small-town nature of the area.

History

Monmouth was established in the mid 19th century, forming part of the broader development in Jackson County. Key industries during its founding included agriculture and local trades, which continue to influence the town's economy today. Over the years, Monmouth has maintained its rural charm and community-focused atmosphere, making it a unique part of Iowa's history.

Did you know?

A little-known fact about Monmouth, Iowa, is its historical significance as a trade hub for the surrounding agricultural areas in the 19th century. Additionally, the city is often overlooked by travelers, making it a peaceful destination for those seeking a quiet getaway.

ZIP codes for Monmouth, IA (1)
ZIP code City County Map
52309 Monmouth Jackson View map

Demographics & statistics

556
Population
58.3
Median age
$74,514
Median household income
$41,410
Per capita income
$138,500
Median home value
$775
Median monthly rent
88.9%
Home ownership
11.2%
Poverty rate
3.0%
Unemployment
249
Housing units
13.9%
Bachelor's or higher

Age distribution

Male Female
2
Under 5
1
38
5–9
26
10
10–14
6
2
15–19
2
14
20–24
9
13
25–34
9
27
35–44
18
39
45–54
26
49
55–59
33
31
60–64
20
78
65–74
53
24
75–84
16
6
85+
4
← Male
Female →

Age summary

GroupCount%
Under 188715.6%
18 and over46984.4%
65 and over18132.6%
Median age58.3 years

Race & ethnicity

White 97.8%
Asian 2.2%
GroupCount%
White54497.8%
Asian122.2%

Household income

Under $10k 0.8%
$15k–$25k 26.5%
$25k–$35k 0.4%
$35k–$50k 6.7%
$50k–$75k 17.0%
$75k–$100k 7.9%
$100k–$150k 16.6%
$150k–$200k 19.8%
$200k+ 4.3%
Range% of households
Under $10k0.8%
$15k–$25k26.5%
$25k–$35k0.4%
$35k–$50k6.7%
$50k–$75k17.0%
$75k–$100k7.9%
$100k–$150k16.6%
$150k–$200k19.8%
$200k+4.3%
Median income$74,514

Housing

Home values

Under $50k 9.8%
$50k–$100k 16.9%
$100k–$150k 28.4%
$150k–$200k 11.6%
$200k–$300k 23.6%
$300k–$500k 5.3%
$500k–$1M 4.4%

Housing overview

MetricValue
Median home value$138,500
Median rent / month$775
Owner occupied88.9%
Renter occupied11.1%
Vacant8.7%
Single-family detached87.0%
Large apartment buildings0.0%
Mobile homes12.6%
Median rooms4.9
Avg household size (owned)2.20

Year built

Era%
2020 or later0.0%
2010–20197.6%
2000–20094.7%
1990–19992.5%
1980–198916.2%
1970–19790.4%
1960–196914.8%
1950–195910.8%
1940–19494.3%
1939 or earlier38.6%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom26.0%
2 bedrooms27.1%
3 bedrooms32.5%
4 bedrooms12.6%
5+ bedrooms1.8%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle13.0%
2 vehicles39.5%
3 or more47.4%

Heating fuel

Fuel type%
Utility gas4.0%
Electricity5.5%
Propane / LP gas55.7%
Fuel oil20.6%
Wood14.2%

Households & families

Household typeCount%
Married-couple family17368.4%
Cohabiting couple218.3%
Male householder, no spouse4919.4%
Female householder, no spouse104.0%
Households with children under 184116.2%
Households with seniors (65+)9738.3%
Average household size2.20

Marital status

StatusMaleFemale
Never married16.5%10.2%
Married64.4%82.0%
Separated0.0%0.0%
Widowed3.0%3.9%
Divorced16.1%3.9%

Education

Less than 9th grade 0.0%
Some HS, no diploma 9.6%
HS graduate 59.9%
Some college, no degree 10.8%
Associate's degree 5.8%
Bachelor's degree 9.0%
Graduate / professional 4.9%
Metric%
HS diploma or higher90.4%
Bachelor's or higher13.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool22.1%
Kindergarten3132.0%
Elementary school4748.5%
High school44.1%
College / grad school1313.4%

Employment

Industry of employment

Manufacturing 26.0%
Education & healthcare 25.1%
Professional & management 12.1%
Information 11.7%
Construction 9.9%
Retail trade 5.4%
Other services 4.9%
Agriculture & mining 2.2%
Arts, food & hospitality 1.8%
Wholesale trade 0.4%
Transportation & utilities 0.4%

Occupation

Category%
Management, business & arts22.0%
Service7.6%
Sales & office26.0%
Natural resources & construction22.0%
Production & transportation22.4%

Employment type

Type%
Private sector82.5%
Government12.6%
Self-employed4.0%
Unpaid family workers0.9%

Commute

Method%
Drive alone91.9%
Carpool8.1%
Public transit0.0%
Walk0.0%
Other means0.0%
Avg commute (minutes)33.1

Poverty

All people 11.2%
Under 18 years 4.6%
18 and over 12.4%
Married-couple families 13.9%
Female-led households 33.3%

Income support

Source% of households
Social Security52.2%
Retirement income13.0%
Supplemental Security16.6%
Cash public assistance0.0%
Food stamps / SNAP2.8%

Health indicators

Condition%
High blood pressure34.0%
High cholesterol33.6%
Heart disease6.9%
Stroke3.1%
Asthma9.2%
Arthritis25.2%
Kidney disease2.9%
Pulmonary disease7.1%
Cancer7.1%
Behavior / access%
Binge drinking21.8%
No physical activity24.3%
Less than 7 hrs sleep30.1%
Fair or poor health13.1%
Poor mental health13.0%
Poor physical health10.0%
No health insurance9.4%
Visited doctor (checkup)75.0%
Visited dentist66.6%
Cholesterol screening89.1%
Teeth loss14.2%

Veterans & disability

VeteransCount%
Civilian veterans6313.4%
Disability%
Any disability8.6%
Under 184.6%
18–64 years7.6%
65 and over12.2%

Health insurance coverage

Type%
Private insurance72.3%
Public insurance44.6%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only55399.5%
Spanish61.1%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages61.1%

Place of birth & citizenship

OriginCount%
Native born (US)54898.6%
Born in same state54898.6%
Born in different state46884.2%
Foreign born00.0%
Naturalized citizen81.4%
Not a US citizen8100.0%

Ancestry

AncestryCount%
Italian264.7%
Arab81.4%
AncestryCount%
Dutch61.1%
French40.7%

Technology access

Metric% of households
Computer access45.5%
Internet access96.8%

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

Frequently asked questions
What ZIP codes does Monmouth, IA have?
Monmouth, IA has one ZIP code: 52309. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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