Arthur, IA

City in Ida County, IA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

252

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

29.5

years ∙ half population younger than 29.5, half older

Diversity Index

30.4%

chance two random people differ in race and ethnicity

Nativity

foreign-born population

100%Native

0% Foreign-born

Geographic Context

Location, size, and surroundings

About

Arthur is a city within Ida County, Iowa, United States.

Location

City in Ida County, IA, US

Co-ordinates

DEC42.335353° N, 95.346906° W

DMS42° 20′ 07.27″ N, 95° 20′ 48.86″ W

Population Density & area

1,714/sq mi (663.2/km²)

Total Area

0.147 sq mi (0.38 km²)

Land Area

0.147 sq mi (0.38 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

48% male

Male 48%

Female 52%

males per 100 females

Arthur 92.4

Ida County 102.1

Iowa 100.6

Nativity

foreign-born population

100%Native

0% Foreign-born

% Foreign-born

Arthur 0%

Ida County 2.6%

Iowa 5.9%

Age Distribution

How the population is spread across age groups

Median Age

29.5

years ∙ half population younger than 29.5, half older

Arthur

29.5

Ida County

Iowa

38.6

Dependency ratio

72.6

dependents per 100 working-age adults

Arthur 72.6

Ida County 86.9

Iowa 69.6

AGE DISTRIBUTION

Distribution of age group

Median age

	Arthur	Ida County	Iowa
Age Group
Children (Under 18)	17.9%	24.3%	22.9%
Working age (18-64)	57.9%	53.5%	59%
Senior (65+)	24.2%	22.2%	18.1%
Dependency ratio
Total dependency ratio	72.6	86.9	69.6
Child dependency ratio	30.8	45.4	38.8
Old-age dependency ratio	41.8	41.5	30.7

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

82.1%

Black

Asian

Hispanic

14.3%

Other

3.6%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

30.4%

chance two random people differ in race and ethnicity

Arthur 30.4%

Ida County 16%

Iowa 31.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Arthur population

Racial and ethnic composition — Arthur vs Ida County vs Iowa. Source: ACS 2020-2024 5-Year Estimates.
	Arthur	Ida County	Iowa
Hispanic or Latino	14.3%	4.1%	7.3%
Mexican	13.1%	4%	5%
Puerto Rican	1.2%	0%	0.3%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	0%	0.1%	1.8%
Not Hispanic or Latino	85.7%	95.9%	92.7%
One race	82.1%	92.8%	89.2%
White	82.1%	91.5%	82.3%
Black or African American	0%	0.3%	3.8%
American Indian and Alaska Native	0%	0%	0.2%
Asian	0%	0.7%	2.5%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0%	0.2%	0.3%
Two or more races (Multiracial)	3.6%	3.1%	3.5%

Household & Families Composition

Household size, type, and family structure

Household structure

43% family

Family 43%

Non family 57%

% family households

Arthur 43%

Ida County 58.8%

Iowa 61.6%

Average household size

2.08

persons per household

Arthur

2.08

Ida County

2.22

Iowa

2.36

Household & Family COMPOSITION

Households

Percentage of Arthur population

	Arthur	Ida County	Iowa
Total households	121	3,050	1,315,707
Average houshold size	2.08	2.22	2.36
Family households	52	1,792	809,836
Average family size	2.81	2.84	2.98
Married couple family	32	1,356	635,347
Other families	20	436	174,489
Male householder	2	171	56,457
Female householder	18	265	118,032
Non-family households	69	1,258	505,871
One-person households	38	1,080	406,436
Male householder	20	542	193,582
Senior (65+) living alone	2	161	58,028
Female householder	18	538	212,854
Senior (65+) living alone	14	292	111,645
Other living arrangements	31	178	99,435

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

131

housing units

Arthur 131

Ida County 3,369

Iowa 1,437,699

Occupancy status

92.4% occupied

Occupied 92.4%

Vacant 7.6%

vacancy rate

Arthur 7.6%

Ida County 9.5%

Iowa 8.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

66.4%

Single family houses

66.4%

Apartments in multi-unit structures

33.6%

Mobile homes

Boat, RV, van, etc

Median Year Built

1952

Half of houses were built before 1952, and half after.

Historic ∙ 1939 or earlier

38.9%

Postwar & mid-century ∙ 1940 - 1969

44.2%

Late 20th century ∙ 1970 - 1999

16.8%

Modern ∙ 2000 or later

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Arthur	Ida County	Iowa
Rooms per unit
Median rooms	5.4	6.3	5.9
1–3 rooms	3.8%	9.7%	11.8%
4–6 rooms	60.3%	44.6%	47.4%
7+ rooms	36%	45.8%	40.7%
Bedrooms
No bedroom / studio	3.8%	1.9%	1.7%
1 bedroom	26%	8.3%	9.2%
2 bedrooms	22.1%	25%	27%
3 bedrooms	25.2%	38.3%	37.3%
4+ bedrooms	22.9%	26.5%	24.7%
At a glance
Median year built	1952	1953	1972
Total housing units	131	3,369	1,437,699

Occupancy Profile

Who is inside and how they use it

Homeownership

57.9% owners

Renter-occupied 42.1%

Owner-occupied 57.9%

homeownership rate

Arthur 57.9%

Ida County 72.9%

Iowa 71.7%

Average household size

2.09

Owner-occupied

2.08

Renter-occupied

owner-occupied average size

Arthur 2.09

Ida County 2.33

Iowa 2.5

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Arthur	Ida County	Iowa
Total occupied units	121	3,050	1,315,707
Year moved in
2020 or later	33.9%	20.8%	24.3%
2010 to 2019	23.1%	35.2%	38.7%
2000 to 2009	23.1%	17.4%	16.4%
1999 or earlier	19.8%	26.5%	20.7%
Occupants per room
1.00 or fewer	100%	99.3%	98.4%
1.01 to 1.50	0%	0%	1.1%
1.51 or more	0%	0.7%	0.5%
Vehicles availability
No vehicles	0%	4.6%	5.4%
1 vehicle	36.4%	25.5%	30.5%
2 vehicles	54.5%	42.3%	37.8%
3 or more vehicles	9.1%	27.5%	26.3%
House heating fuel used
Gas	47.1%	55.6%	72.8%
Electricity	52.1%	39.8%	24.4%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0%	1.5%	0.3%
All other fuels	0%	2%	1.8%
No fuel used	0.8%	1.1%	0.6%
Selected characteristics
Lacking complete plumbing	0%	1%	0.3%
Lacking complete kitchen	0%	1.4%	0.8%
No telephone service available	0%	1.8%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$50,000

owner-occupied units

Median value(USD)

Arthur

$50,000

Ida County

$108,900

Iowa

$208,000

Housing Cost Burden

13.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

13.9%

Owners without a mortgage

5.9%

Renters

18.4%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Arthur	Ida County	Iowa
Property value
Median Value	$50,000	$108,900	$208,000
Under $100,000	88.6%	46.4%	17.8%
$100,000 - $200,000	11.4%	27.1%	30%
$200,000 - $300,000	0%	13.3%	23.1%
$300,000 - $500,000	0%	11%	21.3%
$500,000 - $1,000,000	0%	2.1%	6.8%
$1,000,000 and more	0%	0.1%	1.1%
Owner-occupied households
With a mortgage	51.4%	46%	59.4%
Without a mortgage	48.6%	54%	40.6%
Median monthly owner costs
With a mortgage	$838	$1,104	$1,533
Without a mortgage	$369	$454	$616
Gross rent
Median rent	$676	$696	$972

Education Profile

How educated is the community and how education pays off

Adults with a college degree

22.3%

of adults 25+ with a bachelor's degree or higher

Arthur 22.3%

Ida County 21.6%

Iowa 31.4%

Adults without a high school diploma

0.8%

of adults (25+) without a high school diploma

Arthur 0.8%

Ida County 5.5%

Iowa 6.7%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

K–12

41.5%

College / Undergraduate

56.9%

Graduate / Professional

1.5%

College-going rate (18-24 yr olds)

48.1%

of 18-24-year-olds in college or graduate school

Arthur

48.1%

Ida County

17.2%

Iowa

42.3%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Arthur	Ida County	Iowa
Total enrolled (age 3+)	65	1,518	784,322
Nursery / preschool	0%	4.9%	6.2%
K–12	41.5%	81.6%	68.4%
Kindergarten	0%	6.3%	5.2%
Elementary: Grades 1–4	24.6%	24.2%	20.3%
Elementary: Grades 5–8	10.8%	25.5%	21.3%
High School: Grades 9–12	6.2%	25.6%	21.6%
College or graduate school	58.5%	13.5%	25.4%
College, undergraduate	56.9%	11%	20.8%
Graduate, professional school	1.5%	2.5%	4.6%
College-going rate · 18-24 yr olds	48.1%	17.2%	42.3%
School type
Public school	89.2%	93.5%	84.4%
Private school	10.8%	6.5%	15.6%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

130

population 25 years and over

Total adults (25+)

Less than 9th grade

0.8%

9th-12th, no diploma

HS graduate

47.7%

Some college no degree

15.4%

Associates degree

13.8%

Bachelors degree

18.5%

Graduate or professional degree

3.8%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

0% · 100%

9th-12th, no diploma

—% · —%

HS graduate

56.5% · 43.5%

Some college no degree

45% · 55%

Associates degree

33.3% · 66.7%

Bachelors degree

45.8% · 54.2%

Graduate or professional degree

40% · 60%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Arthur	Ida County	Iowa
Population (25+)	130	4,707	2,154,149
Less than 9th grade	0.8%	1%	2.7%
9th–12th, no diploma	0%	4.5%	4%
High school diploma or GED	47.7%	39.3%	30%
Some college, no degree	15.4%	19.5%	19.7%
Associate's degree	13.8%	14%	12.1%
Bachelor's degree or higher	22.3%	21.6%	31.4%
Bachelor's degree	18.5%	16.5%	20.9%
Graduate or professional	3.8%	5.1%	10.5%
High School or higher	99.2%	94.5%	93.3%

Earnings by education level

percentage as applicable

Median Earnings

$39,688

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$44,250

Some college or associates

$36,875

Bachelors degree

$—

Graduate or professional degree

$—

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

HS graduate

11.3%

Some college or associates

2.6%

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Arthur	Ida County	Iowa
Median earnings
Population 25+, with earnings	$39,688	$48,723	$51,106
Less than high school graduate	$—	$51,429	$35,996
High school graduate (includes equivalency)	$44,250	$45,091	$41,528
Some college or associate's degree	$36,875	$48,068	$47,635
Bachelor's degree	$—	$55,200	$62,744
Graduate or professional degree	$—	$73,750	$80,022
Poverty rates
Less than high school graduate	0%	20.5%	21.5%
High school graduate (includes equivalency)	11.3%	11.1%	12.4%
Some college or associate's degree	2.6%	8.4%	8.1%
Bachelor's degree or higher	0%	3.7%	3.8%

Insights for Arthur, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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