Zip code 51431: Arthur, Iowa

Q: What city is zip code 51431?

51431 is assigned to Arthur, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51431 in?

51431 is mostly in Ida County, but it extends into 1 other county.

Q: What is the population of 51431?

About 430 people live in 51431, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51431?

The median household income in 51431 is $54,258.

Q: What zip codes are near 51431?

The closest zip codes to 51431 are 51445, 51458, 51448, 51053, 50535.

Residential delivery areaIda CountyCentral Time

Population

430

Small sample: rough estimates

Median household income

$54K

U.S. $81K

Median home value

$80K

U.S. $333K

Median rent

$676/mo

U.S. $1,413

Median age

38.2

U.S. 38.9

Land area

38 sq mi

11 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 51431

51431 is a rural zip code in Arthur, Iowa (Ida County), covering 38 sq mi of land. About 430 people live here, or 11 per square mile. The median resident is 38.2 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $54,258 a year, 33% below the national median of $80,734. 14.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $80,000, or 1.5 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 66% of occupied homes are lived in by their owners, and renters pay a median of $676 a month.

20% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 21.6 minutes each way, and 5% of workers work from home. The most common jobs among working residents are in production and manufacturing; sales; and education.

How 51431 compares

Sorted from highest to lowest national percentile

Only about 430 people live here, so these survey estimates have wide margins of error.

Veterans14.7%
97th
U.S. 6.2% · IA 6.5%26th of 911 in IA
Residents 65 and older28.4%
96th
U.S. 17.2% · IA 18.1%130th of 911 in IA
Poverty rate14.2%
66th
U.S. 12.5% · IA 11.1%180th of 909 in IA
Residents under 1821.6%
45th
U.S. 22% · IA 22.9%547th of 911 in IA
Median age38.2
44th
U.S. 38.9 · IA 38.6685th of 911 in IA
Homeownership rate66.3%
44th
U.S. 65.2% · IA 71.7%832nd of 909 in IA
Government workers12.9%
43rd
U.S. 14.5% · IA 14.5%474th of 911 in IA
Housing vacancy5.1%
34th
U.S. 10.1% · IA 8.5%677th of 909 in IA
Broadband access89.8%
33rd
U.S. 91% · IA 88.9%380th of 909 in IA
Per capita income$33,507
29th
U.S. $44,673 · IA $40,877675th of 911 in IA
Self-employed workers7.8%
29th
U.S. 10% · IA 10.2%741st of 911 in IA
Tech workers1.7%
27th
U.S. 3.8% · IA 2.9%272nd of 911 in IA
Median earnings per worker$40,595
23rd
U.S. $49,666 · IA $47,712758th of 910 in IA
Average commute21.6 min
21st
U.S. 26.4 min · IA 19.8 min545th of 902 in IA
Bachelor's degree or higher20%
20th
WeaknessU.S. 35.7% · IA 31.4%496th of 911 in IA
Diversity index23.8
17th
U.S. 61.4 · IA 31.4192nd of 911 in IA
Median household income$54,258
13th
WeaknessU.S. $80,734 · IA $75,059827th of 896 in IA
Work from home4.7%
7th
U.S. 15.1% · IA 11.3%714th of 911 in IA
Income inequality (Gini)0.359
4th
StrengthU.S. 0.483 · IA 0.444663rd of 908 in IA
Median gross rent$676
2nd
U.S. $1,413 · IA $972615th of 771 in IA
Uninsured rate1.4%
2nd
StrengthU.S. 8.4% · IA 5%753rd of 911 in IA
Rent-burdened renters18.4%
2nd
StrengthU.S. 51.1% · IA 43.9%660th of 882 in IA
Population430
1st
U.S. 334,922,499 · IA 3,210,507710th of 911 in IA
Population density11/sq mi
1st
U.S. 95/sq mi · IA 58/sq mi723rd of 911 in IA
Median home value$80,000
1st
U.S. $332,700 · IA $208,000853rd of 881 in IA
Unemployment rate0%
1st
StrengthU.S. 5.2% · IA 3.6%837th of 911 in IA
Foreign-born residents0%
1st
U.S. 14.1% · IA 5.9%797th of 911 in IA
Healthcare workers1.7%
1st
U.S. 9.7% · IA 9.2%868th of 911 in IA

Measure	51431	Ida	IA	U.S.	National percentile	Rank in IA
Veterans	14.7%	7.3%	6.5%	6.2%	97th	26th of 911
Residents 65 and older	28.4%	22.2%	18.1%	17.2%	96th	130th of 911
Poverty rate	14.2%	11.3%	11.1%	12.5%	66th	180th of 909
Residents under 18	21.6%	24.3%	22.9%	22%	45th	547th of 911
Median age	38.2	42	38.6	38.9	44th	685th of 911
Homeownership rate	66.3%	72.9%	71.7%	65.2%	44th	832nd of 909
Government workers	12.9%	15.4%	14.5%	14.5%	43rd	474th of 911
Housing vacancy	5.1%	9.5%	8.5%	10.1%	34th	677th of 909
Broadband access	89.8%	86.4%	88.9%	91%	33rd	380th of 909
Per capita income	$33,507	$38,356	$40,877	$44,673	29th	675th of 911
Self-employed workers	7.8%	14.2%	10.2%	10%	29th	741st of 911
Tech workers	1.7%	0.4%	2.9%	3.8%	27th	272nd of 911
Median earnings per worker	$40,595	$46,505	$47,712	$49,666	23rd	758th of 910
Average commute	21.6 min	16.1 min	19.8 min	26.4 min	21st	545th of 902
Bachelor's degree or higherWeakness	20%	21.6%	31.4%	35.7%	20th	496th of 911
Diversity index	23.8	16	31.4	61.4	17th	192nd of 911
Median household incomeWeakness	$54,258	$63,073	$75,059	$80,734	13th	827th of 896
Work from home	4.7%	9.7%	11.3%	15.1%	7th	714th of 911
Income inequality (Gini)Strength	0.359	0.436	0.444	0.483	4th	663rd of 908
Median gross rent	$676	$696	$972	$1,413	2nd	615th of 771
Uninsured rateStrength	1.4%	5.9%	5%	8.4%	2nd	753rd of 911
Rent-burdened rentersStrength	18.4%	24.7%	43.9%	51.1%	2nd	660th of 882
Population	430	6,911	3,210,507	334,922,499	1st	710th of 911
Population density	11/sq mi	16/sq mi	58/sq mi	95/sq mi	1st	723rd of 911
Median home value	$80,000	$108,900	$208,000	$332,700	1st	853rd of 881
Unemployment rateStrength	0%	2.4%	3.6%	5.2%	1st	837th of 911
Foreign-born residents	0%	2.6%	5.9%	14.1%	1st	797th of 911
Healthcare workers	1.7%	9.7%	9.2%	9.7%	1st	868th of 911

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

11%

Under 5

10%

5–17

18%

18–24

25–34

35–44

45–54

11%

55–64

19%

65–74

10%

75+

Median age

38.2

Under 18

21.6%

65 and over

28.4%

Race and ethnicity

White87%
Black0%
Hispanic8%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial5%

Diversity index

23.8

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

73.5%

Language spoken at home (households)

English only

100%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 187
Average household size: 2.3
Family households: 59.9%
Married couples: 46%
Living alone: 23.5%
Veterans (of adults): 14.7%
Male / female: 53% / 47%

Income and poverty

Household income distribution

<$25k

$25–50k

30%

$50–75k

29%

$75–100k

$100–150k

22%

$150–200k

$200k+

Median household income

51431

$54,258

Ida Co.

$63,073

Iowa

$75,059

United States

$80,734

Per capita income

$33,507

U.S. $44,673

Poverty rate

14.2%

U.S. 12.5%

Households earning $150K+

5.9%

U.S. 23%

Income inequality (Gini)

0.359

U.S. 0.483

Housing

Median home value

51431

$80,000

Ida Co.

$108,900

Iowa

$208,000

United States

$332,700

Median gross rent

51431

$676

Ida Co.

$696

Iowa

$972

United States

$1,413

Types of housing

Single-family

75%

2–4 units

5–19 units

20%

20+ units

Mobile home

Boat, RV, van

Housing units: 197
Owner-occupied: 66.3%
Vacant: 5.1%
Median year built: 1956
Median rooms: 6.5
Renters paying 30%+ of income: 18.4%
Renters paying 50%+ of income: 2%
Home value to income: 1.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

89%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

11%

10–19

50%

20–29

30–44

23%

45–59

60+

Average commute

21.6 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

69.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production

25%

Sales

23%

Education

11%

Transportation and moving

Management

Construction and repair

Office and admin

Cleaning and personal care

Business and finance

Computer and math

Healthcare

Legal and social services

Food service

Farming, fishing and forestry

0.9%

Engineering and science

Arts, media and sports

Police and fire

Industries

Manufacturing

39%

Retail

18%

Education

12%

Health care and social assistance

Construction

Other services

Agriculture and mining

Finance, insurance and real estate

Transportation, warehousing and utilities

Information

Professional and technical services

0.4%

Restaurants and hotels

0.4%

Admin, support and management

0.4%

Wholesale

0.4%

Public administration

Arts and recreation

Median earnings per worker

$40,595

U.S. $49,666

Self-employed

7.8%

U.S. 10%

Government workers

12.9%

U.S. 14.5%

Nonprofit workers

4.7%

U.S. 8.8%

Median earnings by type of work

Type of work	51431	U.S.
Management, business, science and arts	$44,375	$74,888
Service	$12,500	$26,804
Sales and office	$11,333	$40,476
Construction and maintenance	$57,778	$49,199
Production and transportation	$41,500	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

54%

Some college

10%

Associate's

12%

Bachelor's

18%

Graduate

High school graduate or higher: 95.4%
Bachelor's degree or higher: 20%
Graduate or professional degree: 1.9%
Households with broadband: 89.8%
Cable, fiber or DSL: 73.8%
No internet access: 8.6%
Without health insurance: 1.4%
Limited-English households: 0%

Geography

City (USPS): Arthur
State: Iowa
County: Ida County
Center point: 42.3444° N, 95.3514° W
Land area: 38 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51431 spans 2 counties

Ida County89% of land
Sac County11% of land

Zip codes near 51431

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51445	Ida Grove, IA	6 mi	2,485	$64,688	$114,800
51458	Odebolt, IA	6.1 mi	1,290	$86,250	$149,400
51448	Kiron, IA	9.8 mi	612	$76,058	$176,300
51053	Schaller, IA	11 mi	1,016	$72,534	$91,800
50535	Early, IA	12 mi	1,198	$91,995	$94,800
51020	Galva, IA	12 mi	632	$80,066	$92,500
51461	Schleswig, IA	13 mi	1,097	$73,768	$183,100
51006	Battle Creek, IA	14 mi	1,287	$75,625	$84,800
51466	Wall Lake, IA	15 mi	1,043	$71,579	$179,600
51025	Holstein, IA	15 mi	1,925	$65,543	$119,200
51441	Deloit, IA	16 mi	468	$48,750	$137,500
51450	Lake View, IA	17 mi	1,619	$71,875	$184,800

Questions about 51431

What city is zip code 51431?

51431 is assigned to Arthur, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51431 in?

51431 is mostly in Ida County, but it extends into 1 other county.

What is the population of 51431?

About 430 people live in 51431, according to the Census Bureau's American Community Survey.

What time zone is 51431 in?

51431 is in Central Time.

What is the median household income in 51431?

The median household income in 51431 is $54,258.

What zip codes are near 51431?

The closest zip codes to 51431 are 51445, 51458, 51448, 51053, 50535.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51431, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.