Zip code 51240: Inwood, Iowa

Q: What city is zip code 51240?

51240 is assigned to Inwood, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51240 in?

51240 is mostly in Lyon County, but it extends into 1 other county.

Q: What is the population of 51240?

About 1,914 people live in 51240, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51240?

The median household income in 51240 is $83,929.

Q: What zip codes are near 51240?

The closest zip codes to 51240 are 51230, 57013, 57027, 51241, 51247.

Residential delivery areaLyon CountyCentral Time

Population

1,914

Median household income

$84K

U.S. $81K

Median home value

$233K

U.S. $333K

Median rent

$993/mo

U.S. $1,413

Median age

34.4

U.S. 38.9

Land area

100 sq mi

19 people/sq mi

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

About 51240

51240 is a rural zip code in Inwood, Iowa (Lyon County), covering 100 sq mi of land. About 1,914 people live here, or 19 per square mile. The median resident is 34.4 years old, compared with 38.9 nationally.

The median household earns $83,929 a year, close to the national median of $80,734. 3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $232,600, or 2.8 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 87% of occupied homes are lived in by their owners, and renters pay a median of $993 a month.

17% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 22.7 minutes each way, and 18% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and healthcare. 19% of them are self-employed (U.S.: 10%).

How 51240 compares

Sorted from highest to lowest national percentile

Residents under 1835.4%
99th
U.S. 22% · IA 22.9%34th of 911 in IA
Self-employed workers18.7%
97th
U.S. 10% · IA 10.2%216th of 911 in IA
Homeownership rate86.9%
92nd
StrengthU.S. 65.2% · IA 71.7%269th of 909 in IA
Income inequality (Gini)0.493
86th
WeaknessU.S. 0.483 · IA 0.44468th of 908 in IA
Broadband access96%
85th
StrengthU.S. 91% · IA 88.9%53rd of 909 in IA
Healthcare workers11.6%
78th
U.S. 9.7% · IA 9.2%207th of 911 in IA
Work from home18%
72nd
U.S. 15.1% · IA 11.3%99th of 911 in IA
Residents 65 and older19.6%
71st
U.S. 17.2% · IA 18.1%491st of 911 in IA
Median household income$83,929
55th
U.S. $80,734 · IA $75,059277th of 896 in IA
Per capita income$41,804
55th
U.S. $44,673 · IA $40,877290th of 911 in IA
Median earnings per worker$48,125
50th
U.S. $49,666 · IA $47,712417th of 910 in IA
Housing vacancy6.1%
45th
U.S. 10.1% · IA 8.5%628th of 909 in IA
Government workers12.2%
37th
U.S. 14.5% · IA 14.5%525th of 911 in IA
Median home value$232,600
29th
U.S. $332,700 · IA $208,000168th of 881 in IA
Veterans4.2%
28th
U.S. 6.2% · IA 6.5%761st of 911 in IA
Average commute22.7 min
27th
U.S. 26.4 min · IA 19.8 min463rd of 902 in IA
Uninsured rate4.2%
24th
U.S. 8.4% · IA 5%398th of 911 in IA
Foreign-born residents3.8%
23rd
U.S. 14.1% · IA 5.9%185th of 911 in IA
Median gross rent$993
21st
U.S. $1,413 · IA $972156th of 771 in IA
Median age34.4
17th
U.S. 38.9 · IA 38.6815th of 911 in IA
Rent-burdened renters40.5%
17th
StrengthU.S. 51.1% · IA 43.9%329th of 882 in IA
Bachelor's degree or higher16.5%
13th
WeaknessU.S. 35.7% · IA 31.4%655th of 911 in IA
Tech workers0.8%
10th
U.S. 3.8% · IA 2.9%453rd of 911 in IA
Diversity index10.9
5th
U.S. 61.4 · IA 31.4542nd of 911 in IA
Population1,914
3rd
U.S. 334,922,499 · IA 3,210,507290th of 911 in IA
Poverty rate3%
3rd
StrengthU.S. 12.5% · IA 11.1%814th of 909 in IA
Unemployment rate1.4%
3rd
StrengthU.S. 5.2% · IA 3.6%583rd of 911 in IA
Population density19/sq mi
2nd
U.S. 95/sq mi · IA 58/sq mi493rd of 911 in IA

Measure	51240	Lyon	IA	U.S.	National percentile	Rank in IA
Residents under 18	35.4%	28.2%	22.9%	22%	99th	34th of 911
Self-employed workers	18.7%	18.2%	10.2%	10%	97th	216th of 911
Homeownership rateStrength	86.9%	80.9%	71.7%	65.2%	92nd	269th of 909
Income inequality (Gini)Weakness	0.493	0.415	0.444	0.483	86th	68th of 908
Broadband accessStrength	96%	90.2%	88.9%	91%	85th	53rd of 909
Healthcare workers	11.6%	9.6%	9.2%	9.7%	78th	207th of 911
Work from home	18%	9.8%	11.3%	15.1%	72nd	99th of 911
Residents 65 and older	19.6%	19.1%	18.1%	17.2%	71st	491st of 911
Median household income	$83,929	$76,746	$75,059	$80,734	55th	277th of 896
Per capita income	$41,804	$36,117	$40,877	$44,673	55th	290th of 911
Median earnings per worker	$48,125	$46,882	$47,712	$49,666	50th	417th of 910
Housing vacancy	6.1%	8%	8.5%	10.1%	45th	628th of 909
Government workers	12.2%	14.6%	14.5%	14.5%	37th	525th of 911
Median home value	$232,600	$230,000	$208,000	$332,700	29th	168th of 881
Veterans	4.2%	5.7%	6.5%	6.2%	28th	761st of 911
Average commute	22.7 min	18.9 min	19.8 min	26.4 min	27th	463rd of 902
Uninsured rate	4.2%	4%	5%	8.4%	24th	398th of 911
Foreign-born residents	3.8%	2%	5.9%	14.1%	23rd	185th of 911
Median gross rent	$993	$843	$972	$1,413	21st	156th of 771
Median age	34.4	38.2	38.6	38.9	17th	815th of 911
Rent-burdened rentersStrength	40.5%	28.8%	43.9%	51.1%	17th	329th of 882
Bachelor's degree or higherWeakness	16.5%	20.4%	31.4%	35.7%	13th	655th of 911
Tech workers	0.8%	1.2%	2.9%	3.8%	10th	453rd of 911
Diversity index	10.9	12.6	31.4	61.4	5th	542nd of 911
Population	1,914	12,162	3,210,507	334,922,499	3rd	290th of 911
Poverty rateStrength	3%	5.3%	11.1%	12.5%	3rd	814th of 909
Unemployment rateStrength	1.4%	2.3%	3.6%	5.2%	3rd	583rd of 911
Population density	19/sq mi	21/sq mi	58/sq mi	95/sq mi	2nd	493rd 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

10%

Under 5

26%

5–17

18–24

14%

25–34

12%

35–44

45–54

13%

55–64

13%

65–74

75+

Median age

34.4

Under 18

35.4%

65 and over

19.6%

Race and ethnicity

White94%
Black0.3%
Hispanic2%
Asian2%
Native American0%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

10.9

U.S. 61.4

Foreign-born

3.8%

U.S. 14.1%

Born in state

41.3%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 632
Average household size: 3
Family households: 74.1%
Married couples: 70.9%
Living alone: 23.6%
Veterans (of adults): 4.2%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

21%

$50–75k

10%

$75–100k

23%

$100–150k

18%

$150–200k

$200k+

14%

Median household income

51240

$83,929

Lyon Co.

$76,746

Iowa

$75,059

United States

$80,734

Per capita income

$41,804

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

19.6%

U.S. 23%

Income inequality (Gini)

0.493

U.S. 0.483

Housing

Median home value

51240

$232,600

Lyon Co.

$230,000

Iowa

$208,000

United States

$332,700

Median gross rent

51240

$993

Lyon Co.

$843

Iowa

$972

United States

$1,413

Types of housing

Single-family

95%

2–4 units

5–19 units

20+ units

Mobile home

0.7%

Boat, RV, van

Housing units: 673
Owner-occupied: 86.9%
Vacant: 6.1%
Median year built: 1977
Median rooms: 7.1
Renters paying 30%+ of income: 40.5%
Renters paying 50%+ of income: 24.1%
Home value to income: 2.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

Transit

Walked

Bicycle

Worked from home

18%

Other

0.2%

Commute time (one way)

<10 min

23%

10–19

18%

20–29

31%

30–44

20%

45–59

60+

Average commute

22.7 min

U.S. 26.4 min

Unemployment

1.4%

U.S. 5.2%

In labor force

63.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

18%

Office and admin

12%

Healthcare

12%

Sales

10%

Construction and repair

Transportation and moving

Production

Cleaning and personal care

Education

Police and fire

Business and finance

Food service

Farming, fishing and forestry

Engineering and science

Arts, media and sports

Legal and social services

0.9%

Computer and math

0.8%

Industries

Health care and social assistance

18%

Manufacturing

15%

Agriculture and mining

14%

Retail

Other services

Professional and technical services

Education

Transportation, warehousing and utilities

Construction

Arts and recreation

Public administration

Restaurants and hotels

Finance, insurance and real estate

Wholesale

Admin, support and management

Information

0.3%

Median earnings per worker

$48,125

U.S. $49,666

Self-employed

18.7%

U.S. 10%

Government workers

12.2%

U.S. 14.5%

Nonprofit workers

12.7%

U.S. 8.8%

Median earnings by type of work

Type of work	51240	U.S.
Management, business, science and arts	$60,227	$74,888
Service	$23,409	$26,804
Sales and office	$31,250	$40,476
Construction and maintenance	$61,071	$49,199
Production and transportation	$42,083	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

31%

Some college

26%

Associate's

18%

Bachelor's

15%

Graduate

High school graduate or higher: 91.9%
Bachelor's degree or higher: 16.5%
Graduate or professional degree: 1.7%
Households with broadband: 96%
Cable, fiber or DSL: 81.2%
No internet access: 3.5%
Without health insurance: 4.2%
Limited-English households: 0.3%

Geography

City (USPS): Inwood
State: Iowa
County: Lyon County
Center point: 43.3094° N, 96.4584° W
Land area: 100 sq mi
Water area: 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51240 spans 2 counties

Lyon County86% of land
Sioux County14% of land

Cities and towns within this zip

Inwood1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 51240

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51230	Alvord, IA	7.6 mi	478	$75,625	$190,800
57013	Canton, SD	8.6 mi	4,504	$76,458	$226,000
57027	Fairview, SD	8.7 mi	199	—	$114,700
51241	Larchwood, IA	9.8 mi	2,103	$87,446	$280,600
51247	Rock Valley, IA	10 mi	5,094	$78,358	$262,900
51242	Lester, IA	10 mi	379	$95,625	$190,900
51235	Doon, IA	12 mi	1,007	$71,016	$240,700
57032	Harrisburg, SD	14 mi	10,467	$111,528	$330,400
57034	Hudson, SD	14 mi	661	$89,688	$194,300
57077	Worthing, SD	15 mi	1,417	$88,125	$234,500
56138	Hills, MN	16 mi	927	$78,631	$207,300
51246	Rock Rapids, IA	17 mi	4,041	$72,400	$247,900

Zip codes like 51240 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 51240

What city is zip code 51240?

51240 is assigned to Inwood, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51240 in?

51240 is mostly in Lyon County, but it extends into 1 other county.

What is the population of 51240?

About 1,914 people live in 51240, according to the Census Bureau's American Community Survey.

What time zone is 51240 in?

51240 is in Central Time.

What is the median household income in 51240?

The median household income in 51240 is $83,929.

What zip codes are near 51240?

The closest zip codes to 51240 are 51230, 57013, 57027, 51241, 51247.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51240, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.