Zip code 51247: Rock Valley, Iowa

Q: What city is zip code 51247?

51247 is assigned to Rock Valley, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51247 in?

51247 is mostly in Sioux County, but it extends into 1 other county.

Q: What is the population of 51247?

About 5,094 people live in 51247, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51247?

The median household income in 51247 is $78,358.

Q: What zip codes are near 51247?

The closest zip codes to 51247 are 57027, 51235, 51239, 51250, 51240.

Residential delivery areaSioux CountyCentral Time

Population

5,094

Median household income

$78K

U.S. $81K

Median home value

$263K

U.S. $333K

Median rent

$1,142/mo

U.S. $1,413

Median age

37.7

U.S. 38.9

Land area

113 sq mi

45 people/sq mi

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

About 51247

51247 is a rural zip code in Rock Valley, Iowa (Sioux County), covering 113 sq mi of land. About 5,094 people live here, or 45 per square mile. The median resident is 37.7 years old, compared with 38.9 nationally.

The median household earns $78,358 a year, close to the national median of $80,734. 8.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $262,900, or 3.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 61% of occupied homes are lived in by their owners, and renters pay a median of $1,142 a month.

15% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 13.6 minutes each way, and 8% of workers work from home. The most common jobs among working residents are in office and administrative support; production and manufacturing; and construction and repair. 24% of households speak a language other than English at home, most often Spanish.

How 51247 compares

Sorted from highest to lowest national percentile

Uninsured rate16.4%
91st
WeaknessU.S. 8.4% · IA 5%36th of 911 in IA
Residents under 1828%
91st
U.S. 22% · IA 22.9%166th of 911 in IA
Self-employed workers14.9%
90th
U.S. 10% · IA 10.2%380th of 911 in IA
Residents 65 and older19.4%
70th
U.S. 17.2% · IA 18.1%509th of 911 in IA
Income inequality (Gini)0.457
67th
U.S. 0.483 · IA 0.444149th of 908 in IA
Foreign-born residents14.8%
64th
U.S. 14.1% · IA 5.9%28th of 911 in IA
Broadband access92.5%
53rd
U.S. 91% · IA 88.9%234th of 909 in IA
Median household income$78,358
48th
U.S. $80,734 · IA $75,059365th of 896 in IA
Median earnings per worker$47,018
46th
U.S. $49,666 · IA $47,712475th of 910 in IA
Diversity index43.4
41st
U.S. 61.4 · IA 31.451st of 911 in IA
Healthcare workers8.9%
41st
U.S. 9.7% · IA 9.2%416th of 911 in IA
Median age37.7
40th
U.S. 38.9 · IA 38.6704th of 911 in IA
Poverty rate8.8%
37th
U.S. 12.5% · IA 11.1%433rd of 909 in IA
Per capita income$35,505
36th
U.S. $44,673 · IA $40,877601st of 911 in IA
Median home value$262,900
36th
U.S. $332,700 · IA $208,000112th of 881 in IA
Homeownership rate61.1%
34th
U.S. 65.2% · IA 71.7%878th of 909 in IA
Median gross rent$1,142
32nd
U.S. $1,413 · IA $97264th of 771 in IA
Work from home8.1%
23rd
U.S. 15.1% · IA 11.3%501st of 911 in IA
Veterans2.8%
14th
U.S. 6.2% · IA 6.5%855th of 911 in IA
Government workers9.3%
14th
U.S. 14.5% · IA 14.5%706th of 911 in IA
Bachelor's degree or higher15.1%
10th
WeaknessU.S. 35.7% · IA 31.4%701st of 911 in IA
Population5,094
8th
U.S. 334,922,499 · IA 3,210,507144th of 911 in IA
Population density45/sq mi
6th
U.S. 95/sq mi · IA 58/sq mi253rd of 911 in IA
Rent-burdened renters32.2%
6th
StrengthU.S. 51.1% · IA 43.9%485th of 882 in IA
Tech workers0.2%
4th
U.S. 3.8% · IA 2.9%601st of 911 in IA
Average commute13.6 min
1st
StrengthU.S. 26.4 min · IA 19.8 min880th of 902 in IA
Unemployment rate0.3%
1st
StrengthU.S. 5.2% · IA 3.6%768th of 911 in IA
Housing vacancy0.8%
1st
U.S. 10.1% · IA 8.5%850th of 909 in IA

Measure	51247	Sioux	IA	U.S.	National percentile	Rank in IA
Uninsured rateWeakness	16.4%	5.8%	5%	8.4%	91st	36th of 911
Residents under 18	28%	27.2%	22.9%	22%	91st	166th of 911
Self-employed workers	14.9%	16.6%	10.2%	10%	90th	380th of 911
Residents 65 and older	19.4%	16.2%	18.1%	17.2%	70th	509th of 911
Income inequality (Gini)	0.457	0.409	0.444	0.483	67th	149th of 908
Foreign-born residents	14.8%	8.5%	5.9%	14.1%	64th	28th of 911
Broadband access	92.5%	92.4%	88.9%	91%	53rd	234th of 909
Median household income	$78,358	$86,098	$75,059	$80,734	48th	365th of 896
Median earnings per worker	$47,018	$45,574	$47,712	$49,666	46th	475th of 910
Diversity index	43.4	29.4	31.4	61.4	41st	51st of 911
Healthcare workers	8.9%	8.1%	9.2%	9.7%	41st	416th of 911
Median age	37.7	33.8	38.6	38.9	40th	704th of 911
Poverty rate	8.8%	6.7%	11.1%	12.5%	37th	433rd of 909
Per capita income	$35,505	$37,166	$40,877	$44,673	36th	601st of 911
Median home value	$262,900	$250,100	$208,000	$332,700	36th	112th of 881
Homeownership rate	61.1%	76.1%	71.7%	65.2%	34th	878th of 909
Median gross rent	$1,142	$908	$972	$1,413	32nd	64th of 771
Work from home	8.1%	12.8%	11.3%	15.1%	23rd	501st of 911
Veterans	2.8%	3.7%	6.5%	6.2%	14th	855th of 911
Government workers	9.3%	9.5%	14.5%	14.5%	14th	706th of 911
Bachelor's degree or higherWeakness	15.1%	30.6%	31.4%	35.7%	10th	701st of 911
Population	5,094	36,212	3,210,507	334,922,499	8th	144th of 911
Population density	45/sq mi	47/sq mi	58/sq mi	95/sq mi	6th	253rd of 911
Rent-burdened rentersStrength	32.2%	30%	43.9%	51.1%	6th	485th of 882
Tech workers	0.2%	1.4%	2.9%	3.8%	4th	601st of 911
Average commuteStrength	13.6 min	13.5 min	19.8 min	26.4 min	1st	880th of 902
Unemployment rateStrength	0.3%	1.5%	3.6%	5.2%	1st	768th of 911
Housing vacancy	0.8%	4.5%	8.5%	10.1%	1st	850th of 909

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

Under 5

23%

5–17

13%

18–24

25–34

13%

35–44

13%

45–54

55–64

13%

65–74

75+

Median age

37.7

Under 18

28%

65 and over

19.4%

Race and ethnicity

White69%
Black0.0%
Hispanic30%
Asian0.4%
Native American0%
Pacific Islander0%
Other0%
Multiracial0.4%

Diversity index

43.4

U.S. 61.4

Foreign-born

14.8%

U.S. 14.1%

Born in state

59.9%

Language spoken at home (households)

English only

76%

Spanish

22%

Other Indo-European

0.9%

Asian / Pacific

Other

Households

Households: 1,825
Average household size: 2.7
Family households: 71%
Married couples: 61.1%
Living alone: 28.4%
Veterans (of adults): 2.8%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

18%

$25–50k

13%

$50–75k

18%

$75–100k

14%

$100–150k

22%

$150–200k

$200k+

Median household income

51247

$78,358

Sioux Co.

$86,098

Iowa

$75,059

United States

$80,734

Per capita income

$35,505

U.S. $44,673

Poverty rate

8.8%

U.S. 12.5%

Households earning $150K+

15.9%

U.S. 23%

Income inequality (Gini)

0.457

U.S. 0.483

Housing

Median home value

51247

$262,900

Sioux Co.

$250,100

Iowa

$208,000

United States

$332,700

Median gross rent

51247

$1,142

Sioux Co.

$908

Iowa

$972

United States

$1,413

Types of housing

Single-family

75%

2–4 units

5–19 units

10%

20+ units

Mobile home

Boat, RV, van

Housing units: 1,839
Owner-occupied: 61.1%
Vacant: 0.8%
Median year built: 1982
Median rooms: 6.5
Renters paying 30%+ of income: 32.2%
Renters paying 50%+ of income: 27.6%
Home value to income: 3.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

Transit

0.7%

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

45%

10–19

33%

20–29

13%

30–44

45–59

60+

Average commute

13.6 min

U.S. 26.4 min

Unemployment

0.3%

U.S. 5.2%

In labor force

67.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

13%

Production

12%

Construction and repair

11%

Sales

10%

Management

Healthcare

Transportation and moving

Education

Food service

Cleaning and personal care

Engineering and science

Business and finance

Farming, fishing and forestry

Legal and social services

Arts, media and sports

0.4%

Computer and math

0.2%

Police and fire

Industries

Manufacturing

27%

Health care and social assistance

12%

Retail

11%

Education

10%

Agriculture and mining

Construction

Wholesale

Other services

Restaurants and hotels

Finance, insurance and real estate

Transportation, warehousing and utilities

Admin, support and management

Professional and technical services

0.9%

Information

0.7%

Public administration

0.4%

Arts and recreation

0.0%

Median earnings per worker

$47,018

U.S. $49,666

Self-employed

14.9%

U.S. 10%

Government workers

9.3%

U.S. 14.5%

Nonprofit workers

11.3%

U.S. 8.8%

Median earnings by type of work

Type of work	51247	U.S.
Management, business, science and arts	$50,333	$74,888
Service	$23,731	$26,804
Sales and office	$54,485	$40,476
Construction and maintenance	$55,403	$49,199
Production and transportation	$55,228	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

14%

High school

42%

Some college

20%

Associate's

Bachelor's

12%

Graduate

High school graduate or higher: 85.7%
Bachelor's degree or higher: 15.1%
Graduate or professional degree: 3.4%
Households with broadband: 92.5%
Cable, fiber or DSL: 78.1%
No internet access: 6.8%
Without health insurance: 16.4%
Limited-English households: 2.6%

Geography

City (USPS): Rock Valley
State: Iowa
County: Sioux County
Center point: 43.1938° N, 96.3381° W
Land area: 113 sq mi
Water area: 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51247 spans 2 counties

Sioux County96% of land
Lyon County5% of land

Cities and towns within this zip

Rock Valley4% of zip

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

Zip codes near 51247

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
57027	Fairview, SD	9.1 mi	199	—	$114,700
51235	Doon, IA	9.3 mi	1,007	$71,016	$240,700
51239	Hull, IA	9.6 mi	2,876	$77,540	$236,500
51250	Sioux Center, IA	9.7 mi	9,970	$94,119	$294,000
51240	Inwood, IA	10 mi	1,914	$83,929	$232,600
57034	Hudson, SD	11 mi	661	$89,688	$194,300
51230	Alvord, IA	11 mi	478	$75,625	$190,800
51023	Hawarden, IA	14 mi	3,473	$80,357	$173,300
57013	Canton, SD	16 mi	4,504	$76,458	$226,000
51027	Ireton, IA	16 mi	1,280	$100,893	$227,200
51234	Boyden, IA	16 mi	1,172	$84,318	$211,800
51242	Lester, IA	17 mi	379	$95,625	$190,900

Zip codes like 51247 elsewhere

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

Questions about 51247

What city is zip code 51247?

51247 is assigned to Rock Valley, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51247 in?

51247 is mostly in Sioux County, but it extends into 1 other county.

What is the population of 51247?

About 5,094 people live in 51247, according to the Census Bureau's American Community Survey.

What time zone is 51247 in?

51247 is in Central Time.

What is the median household income in 51247?

The median household income in 51247 is $78,358.

What zip codes are near 51247?

The closest zip codes to 51247 are 57027, 51235, 51239, 51250, 51240.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51247, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.