Arthur ZIP Codes — Ida County, IA

There is one unique ZIP code in Arthur, Iowa and it is 51431. Area code: 712.
1
ZIP codes
37.86
sq mi land
0.00
sq mi water
712
area code
Arthur, IA ZIP code map

About Arthur, IA

Arthur is a small but vibrant city located in the state of Iowa. Nestled within Ida County, this community boasts a close-knit atmosphere that reflects the heart of rural American life. With a rich agricultural backdrop, Arthur exemplifies the charm of small-town living.

Location & geography

Positioned in the northwest part of Iowa, Arthur is surrounded by scenic farmland and natural beauty. The nearest cities include Holstein, located approximately 12 miles to the east, and possibly Ida Grove, about 14 miles to the northeast. The city spans an area of 37.86 square miles, with no water areas, emphasizing its land-based characteristics.

Community & economy

The character of Arthur is rooted in its agricultural heritage, with many residents engaged in farming and related industries. Daily life in Arthur is marked by community events, neighborly connections, and a strong sense of local pride. The sense of community is palpable, with events designed to bring people together and celebrate their shared values.

Transportation

State Highway 39 runs near Arthur, facilitating easy travel to surrounding areas and cities. The nearest major airport is located in Sioux City, about 45 miles to the south, providing additional transit options for residents. Public transportation options are limited, highlighting the city's rural nature.

History

Founded as a farming community, Arthur has its roots deeply embedded in agriculture, which remains a key industry today. Over the years, the city has witnessed many changes, including advances in farming technology and an evolving local economy. Notable events such as county fairs and harvest festivals are celebrated annually, connecting residents to their agricultural traditions.

Did you know?

One surprising fact about Arthur is its unique blend of agriculture and community-oriented activities, often seen during local festivals. Despite its small size, it has a rich cultural life that includes annual celebrations highlighting its farming heritage.

ZIP codes for Arthur, IA (1)
ZIP code City County Map
51431 Arthur Ida View map

Demographics & statistics

463
Population
47.5
Median age
$51,774
Median household income
$30,860
Per capita income
$94,400
Median home value
$622
Median monthly rent
69.2%
Home ownership
10.2%
Poverty rate
2.0%
Unemployment
152
Housing units
18.2%
Bachelor's or higher

Age distribution

Male Female
20
Under 5
18
10
5–9
9
5
10–14
4
23
15–19
20
19
20–24
17
22
25–34
19
19
35–44
17
11
45–54
9
14
55–59
12
28
60–64
25
50
65–74
45
21
75–84
18
4
85+
4
← Male
Female →

Age summary

GroupCount%
Under 187516.2%
18 and over38883.8%
65 and over14230.7%
Median age47.5 years

Race & ethnicity

White 79.4%
Hispanic or Latino 7.4%
Two or more races 6.4%
Other race 6%
American Indian / Alaska Native 0.8%
GroupCount%
White39779.4%
Hispanic or Latino377.4%
Two or more races326.4%
Other race306%
American Indian / Alaska Native40.8%

Household income

Under $10k 5.6%
$10k–$15k 3.3%
$15k–$25k 3.7%
$25k–$35k 8.4%
$35k–$50k 18.7%
$50k–$75k 24.8%
$75k–$100k 7.9%
$100k–$150k 25.7%
$150k–$200k 1.9%
Range% of households
Under $10k5.6%
$10k–$15k3.3%
$15k–$25k3.7%
$25k–$35k8.4%
$35k–$50k18.7%
$50k–$75k24.8%
$75k–$100k7.9%
$100k–$150k25.7%
$150k–$200k1.9%
Median income$51,774

Housing

Home values

Under $50k 25.7%
$50k–$100k 27.7%
$100k–$150k 12.2%
$150k–$200k 7.4%
$200k–$300k 16.9%
$300k–$500k 6.8%
$1M+ 3.4%

Housing overview

MetricValue
Median home value$94,400
Median rent / month$622
Owner occupied69.2%
Renter occupied30.8%
Vacant1.8%
Single-family detached78.4%
Large apartment buildings0.0%
Mobile homes3.2%
Median rooms6.9
Avg household size (owned)2.20

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19996.0%
1980–19894.1%
1970–197919.3%
1960–19697.3%
1950–195922.9%
1940–19495.5%
1939 or earlier34.9%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom22.5%
2 bedrooms8.7%
3 bedrooms40.8%
4 bedrooms24.3%
5+ bedrooms3.7%

Vehicles per household

Vehicles% of households
No vehicle2.3%
1 vehicle22.4%
2 vehicles54.2%
3 or more21.0%

Heating fuel

Fuel type%
Utility gas28.5%
Electricity43.5%
Propane / LP gas25.7%
Fuel oil0.5%
Wood1.4%

Households & families

Household typeCount%
Married-couple family11151.9%
Cohabiting couple3114.5%
Male householder, no spouse3516.4%
Female householder, no spouse3717.3%
Households with children under 183817.8%
Households with seniors (65+)9243.0%
Average household size2.16

Marital status

StatusMaleFemale
Never married35.0%21.3%
Married59.3%60.1%
Separated0.0%0.5%
Widowed0.0%9.3%
Divorced5.6%8.7%

Education

Less than 9th grade 0.3%
Some HS, no diploma 6.9%
HS graduate 51.9%
Some college, no degree 11.9%
Associate's degree 10.7%
Bachelor's degree 16.7%
Graduate / professional 1.6%
Metric%
HS diploma or higher92.8%
Bachelor's or higher18.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool912.0%
Kindergarten45.3%
Elementary school2229.3%
High school1013.3%
College / grad school3040.0%

Employment

Industry of employment

Manufacturing 38.1%
Education & healthcare 19.7%
Retail trade 18.4%
Construction 5.7%
Other services 5.3%
Agriculture & mining 3.7%
Transportation & utilities 3.3%
Finance & real estate 2.0%
Information 1.6%
Professional & management 1.2%
Arts, food & hospitality 0.4%
Public administration 0.4%

Occupation

Category%
Management, business & arts25.8%
Service7.4%
Sales & office23.4%
Natural resources & construction7.0%
Production & transportation36.5%

Employment type

Type%
Private sector92.2%
Government4.5%
Self-employed3.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone85.2%
Carpool7.8%
Public transit0.0%
Walk2.1%
Other means0.0%
Avg commute (minutes)19.5

Poverty

All people 10.2%
Under 18 years 0.0%
18 and over 12.1%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security45.8%
Retirement income22.4%
Supplemental Security0.9%
Cash public assistance1.9%
Food stamps / SNAP2.3%

Health indicators

Condition%
High blood pressure36.7%
High cholesterol36.3%
Heart disease8.1%
Stroke3.6%
Asthma9.2%
Arthritis28.8%
Kidney disease3.3%
Pulmonary disease8.0%
Cancer8.4%
Behavior / access%
Binge drinking19.9%
No physical activity26.1%
Less than 7 hrs sleep29.3%
Fair or poor health14.4%
Poor mental health12.8%
Poor physical health10.7%
No health insurance9.5%
Visited doctor (checkup)76.3%
Visited dentist67.4%
Cholesterol screening90.1%
Teeth loss14.0%

Veterans & disability

VeteransCount%
Civilian veterans6817.6%
Disability%
Any disability23.6%
Under 182.7%
18–64 years29.8%
65 and over23.9%

Health insurance coverage

Type%
Private insurance61.7%
Public insurance51.5%
Uninsured under 196.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only42591.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)463100.0%
Born in same state463100.0%
Born in different state35676.9%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian6013%
Arab5211.2%
French183.9%
AncestryCount%
English132.8%
Dutch102.2%
Polish30.6%

Technology access

Metric% of households
Computer access46.2%
Internet access91.6%

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

Frequently asked questions
What ZIP codes does Arthur, IA have?
Arthur, IA has one ZIP code: 51431. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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