Rock Valley ZIP Codes — Sioux County, IA

There is one unique ZIP code in Rock Valley, Iowa and it is 51247. Area code: 712.

ZIP codes

112.60

sq mi land

0.08

sq mi water

712

area code

Rock Valley, IA ZIP code map

About Rock Valley, IA

Rock Valley, Iowa, is a charming city located in the northwest corner of the state. Nestled within Sioux County, it serves as a hub for both agriculture and community activities. The city is known for its welcoming atmosphere and a strong sense of community spirit.

Location & geography

Rock Valley covers a total area of 112.60 square miles, with only 0.08 square miles classified as water. The city is strategically located near nearby cities such as Sioux Center, which is approximately 12 miles to the north, and Hull, about 15 miles to the southeast. The terrain in the area is primarily flat, making it conducive to farming and outdoor activities.

Community & economy

Rock Valley has a close-knit community that prides itself on strong family values and local involvement. The primary industries in Rock Valley include agriculture, manufacturing, and retail, providing a solid economic base for residents. Daily life is characterized by community events, local sports, and a variety of recreational activities that engage residents of all ages.

Transportation

Rock Valley is accessible via several highways, including U.S. Route 18, which connects the city to other major thoroughfares in the region. The nearest named airport is the Sioux Falls Regional Airport, located about 37 miles to the north in South Dakota, providing convenient air travel options. Local transportation options primarily rely on personal vehicles, with public transit less commonly utilized.

History

The founding of Rock Valley dates back to the late 19th century, when it was established as a center for agriculture and commerce. Key industries over the years have included farming and livestock, which continue to play a significant role in the local economy. Notable events in the city's history include the annual Rock Valley Fair, celebrating community pride and local agriculture.

Did you know?

One surprising fact about Rock Valley is that it is home to the only water park in Sioux County, which attracts visitors from surrounding areas during the summer months. Additionally, the city hosts various cultural events that celebrate its heritage and encourage community participation.

ZIP codes for Rock Valley, IA (1)

ZIP code	City	County	Map
51247	Rock Valley	Sioux	View map

Demographics & statistics

4,887

Population

38.7

Median age

$65,403

Median household income

$33,793

Per capita income

$210,700

Median home value

$892

Median monthly rent

76.0%

Home ownership

6.1%

Poverty rate

0.7%

Unemployment

1,423

Housing units

19.4%

Bachelor's or higher

Age distribution

Male Female

130

Under 5

133

204

5–9

209

157

10–14

161

165

15–19

169

303

20–24

309

158

25–34

162

371

35–44

379

267

45–54

273

55–59

113

60–64

116

234

65–74

240

153

75–84

157

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,200	24.6%
18 and over	3,687	75.4%
65 and over	920	18.8%
Median age	38.7 years

Race & ethnicity

White 74.3%

Hispanic or Latino 11.7%

Two or more races 11.3%

Other race 2.6%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	4,114	74.3%
Hispanic or Latino	649	11.7%
Two or more races	623	11.3%
Other race	143	2.6%
Native Hawaiian / Pacific Islander	6	0.1%

Household income

Under $10k 4.9%

$10k–$15k 3.1%

$15k–$25k 11.7%

$25k–$35k 3.7%

$35k–$50k 10.4%

$50k–$75k 19.9%

$75k–$100k 12.7%

$100k–$150k 18.1%

$150k–$200k 9.6%

$200k+ 5.9%

Range	% of households
Under $10k	4.9%
$10k–$15k	3.1%
$15k–$25k	11.7%
$25k–$35k	3.7%
$35k–$50k	10.4%
$50k–$75k	19.9%
$75k–$100k	12.7%
$100k–$150k	18.1%
$150k–$200k	9.6%
$200k+	5.9%
Median income	$65,403

Housing

Home values

Under $50k 6.3%

$50k–$100k 5.0%

$100k–$150k 17.6%

$150k–$200k 16.7%

$200k–$300k 32.2%

$300k–$500k 14.4%

$500k–$1M 4.9%

$1M+ 2.9%

Housing overview

Metric	Value
Median home value	$210,700
Median rent / month	$892
Owner occupied	76.0%
Renter occupied	24.0%
Vacant	0.8%
Single-family detached	77.3%
Large apartment buildings	3.6%
Mobile homes	2.5%
Median rooms	6.3
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.0%
2010–2019	7.6%
2000–2009	9.2%
1990–1999	19.9%
1980–1989	4.7%
1970–1979	8.8%
1960–1969	18.4%
1950–1959	9.7%
1940–1949	2.6%
1939 or earlier	19.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	13.7%
2 bedrooms	23.4%
3 bedrooms	27.9%
4 bedrooms	28.5%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	7.1%
1 vehicle	23.6%
2 vehicles	41.7%
3 or more	27.6%

Heating fuel

Fuel type	%
Utility gas	46.3%
Electricity	45.8%
Propane / LP gas	5.7%
Fuel oil	1.7%

Households & families

Household type	Count	%
Married-couple family	1,045	56.4%
Cohabiting couple	93	5.0%
Male householder, no spouse	312	16.8%
Female householder, no spouse	402	21.7%
Households with children under 18	585	31.6%
Households with seniors (65+)	642	34.7%
Average household size	2.58

Marital status

Status	Male	Female
Never married	36.4%	25.5%
Married	56.1%	53.5%
Separated	0.1%	0.7%
Widowed	3.2%	13.4%
Divorced	4.3%	7.0%

Education

Less than 9th grade 5.4%

Some HS, no diploma 5.0%

HS graduate 43.2%

Some college, no degree 18.8%

Associate's degree 8.2%

Bachelor's degree 14.6%

Graduate / professional 4.9%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	19.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	58	4.1%
Kindergarten	58	4.1%
Elementary school	585	41.8%
High school	337	24.1%
College / grad school	360	25.8%

Employment

Industry of employment

Manufacturing 22.8%

Education & healthcare 18.4%

Construction 13.2%

Retail trade 11.8%

Wholesale trade 7.6%

Other services 6.5%

Agriculture & mining 6.2%

Finance & real estate 5.2%

Transportation & utilities 2.6%

Professional & management 2.3%

Arts, food & hospitality 2.0%

Information 0.9%

Public administration 0.4%

Occupation

Category	%
Management, business & arts	26.0%
Service	11.2%
Sales & office	26.4%
Natural resources & construction	19.7%
Production & transportation	16.6%

Employment type

Type	%
Private sector	77.9%
Government	7.8%
Self-employed	14.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.2%
Carpool	10.2%
Public transit	0.8%
Walk	3.6%
Other means	3.3%
Avg commute (minutes)	12.9

Poverty

All people 6.1%

Under 18 years 3.8%

18 and over 6.8%

Married-couple families 1.2%

Female-led households 21.8%

Income support

Source	% of households
Social Security	34.3%
Retirement income	12.6%
Supplemental Security	6.2%
Cash public assistance	1.1%
Food stamps / SNAP	6.9%

Health indicators

Condition	%
High blood pressure	32.7%
High cholesterol	32.3%
Heart disease	6.4%
Stroke	3.0%
Asthma	8.9%
Arthritis	24.1%
Kidney disease	2.9%
Pulmonary disease	6.4%
Cancer	7.1%

Behavior / access	%
Binge drinking	19.6%
No physical activity	24.9%
Less than 7 hrs sleep	28.4%
Fair or poor health	12.3%
Poor mental health	12.9%
Poor physical health	9.1%
No health insurance	11.3%
Visited doctor (checkup)	74.8%
Visited dentist	67.9%
Cholesterol screening	87.4%
Teeth loss	14.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	76	2.1%

Disability	%
Any disability	13.9%
Under 18	1.6%
18–64 years	8.7%
65 and over	47.7%

Health insurance coverage

Type	%
Private insurance	67.4%
Public insurance	35.1%
Uninsured under 19	23.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,624	94.6%
Spanish	201	4.3%
Other Indo-European	201	4.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,598	94.1%
Born in same state	4,566	93.4%
Born in different state	3,238	66.3%
Foreign born	32	0.7%
Naturalized citizen	289	5.9%
Not a US citizen	32	11.1%

Ancestry

Ancestry	Count	%
English	2,203	45.1%
Arab	429	8.8%
French	263	5.4%

Ancestry	Count	%
Italian	237	4.8%
Polish	41	0.8%
Dutch	18	0.4%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	89.0%

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

Frequently asked questions

What ZIP codes does Rock Valley, IA have?

Rock Valley, IA has one ZIP code: 51247. Each ZIP code serves a distinct delivery area within the city and surrounding region.