Rock Valley, IA Demographic Data
Rock Valley, IA Summary
Rock Valley is located in Sioux County in Iowa
- Population: 3,369
- Area: 3.27 sq. miles
- Land Area: 3.22 sq. miles
- Water Area: 0.05 sq. miles
- Population Density: 1,029.64 people per sq. mile
- Elevation: 1,250.00 ft
- Time Zone: Central Standard Time (GMT -6)
- Daylight Savings: Yes
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Rock Valley, IA Gender Breakdown
Gender
Number
Percent
National Avg
Female
1,901
53%
50.8
Male
1,722
48%
49.2
Total Population
3,623
323,128,000
Rock Valley, IA Age Breakdown
Age Group
Number
Percent
National Avg
Under 5 Years
202
5.6%
6.1
5 to 9 Years
447
12.3%
6.3
10 to 14 Years
316
8.7%
6.4
15 to 19 Years
193
5.3%
6.7
20 to 24 Years
286
7.9%
6.9
25 to 34 Years
588
16.2%
13.7
35 to 44 Years
415
11.5%
12.6
45 to 54 Years
341
9.4%
13.2
55 to 59 Years
276
7.6%
6.7
60 to 64 Years
106
2.9%
6.1
65 to 74 Years
134
3.7%
8.9
75 to 84 Years
212
5.9%
4.4
85 Years and Over
107
3.0%
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
2,519
69.5%
77.2
Female
1,322
52.5%
51.3
Male
1,197
47.5%
48.7
21 Years and over
2,448
67.6%
73.1
62 Years and over
545
15.0%
18.8
65 Years and over
453
12.5%
15.2
Female
277
61.1%
55.8
Male
176
38.9%
44.2
Median Age (years)
33
0.0%
0.0
Rock Valley, IA Race Breakdown
Race
Number
Percent
National Avg
One Race
3,610
99.6%
96.8
White
3,553
98.1%
72.6
Black or African American
21
0.6%
12.7
American Indian and Alaska Native
0
0.0%
0.8
Asian
13
0.4%
5.4
Asian Indian
13
0.4%
1.2
Chinese
0
0.0%
1.3
Filipino
0
0.0%
0.9
Japanese
0
0.0%
0.2
Korean
0
0.0%
0.4
Vietnamese
0
0.0%
0.6
Other Asian
0
0.0%
0.8
Native Hawaiian and Other Pacific Islander
0
0.0%
0.2
Native Hawaiian
0
0.0%
0.1
Guamanian or Chamorro
0
0.0%
0.0
Samoan
0
0.0%
0.0
Other Pacific Islander
0
0.0%
0.1
Some Other Race
23
0.6%
5.1
Two or More Races
13
0.4%
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
270
7.5%
17.8
Mexican
247
6.8%
11.2
Puerto Rican
0
0.0%
1.7
Cuban
0
0.0%
0.7
Other Hispanic or Latino
23
0.6%
4.2
Not Hispanic or Latino
3,353
92.5%
82.2
Rock Valley, IA Educational Attainment
Education Level
Number
Percent
National Avg
Less than 9th grade
156
7.2%
5.4
9th to 12th grade, no diploma
83
3.8%
7.2
High school graduate (includes equivalent)
777
35.7%
27.2
Some college, no degree
362
16.6%
20.6
Associate's Degree
370
17.0%
8.4
Bachelor's Degree
356
16.3%
19.3
Graduate or professional degree
75
3.4%
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
239
11.0%
12.6
High School Graduate or Higher
1,940
89.0%
87.4
Bachelor's Degree or Higher
431
19.7%
31.2
Rock Valley, IA Marital Status
Marital Status
Number
Percent
National Avg
Never Married
651
24.5%
33.7%
Now Married
1,509
56.8%
47.5
Divorced
195
7.3%
11.0%
Separated
71
2.7%
2.0
Widowed
232
8.7
5.8%
Rock Valley, IA Language Spoken at Home
Language
Number
Percent
National Avg
English Only
3,211
93.9%
78.4%
Languages other than english
210
6.1%
21.6%
Spanish
201
5.9%
13.3%
Other indo-european languages
9
0.3%
3.7%
Asian and Pacific islander languages
0
0.0%
3.5%
Other Languages
0
0.0%
1.1%
Rock Valley, IA Household Income
Household Income
Number
Percent
National Avg
Less than $10,000
78
6.0%
6.7
$10,000 to $14,999
29
2.2%
4.8
$15,000 to $24,999
92
7.1%
9.7
$25,000 to $34,999
137
10.5%
9.5
$35,000 to $49,999
154
11.8%
13.0
$50,000 to $74,999
378
29.0%
17.7
$75,000 to $99,999
176
13.5%
12.3
$100,000 to $149,000
167
12.8%
14.0
$150,000 to $199,999
38
2.9%
5.8
$200,000 or more
55
4.2%
6.4
Median household income
61,944
57,617
Per capita income
27,377
31,128
Rock Valley, IA Employment Breakdown
Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
49
2.5%
1.7
Arts, entertainment, recreation, accommodation and food services
78
4.0%
9.8
Construction
170
8.8%
6.4
Educational services, health care and social assistance
559
29.0%
23.0
Finance, insurance, real estate, rental, and leasing
110
5.7%
6.6
Information
15
0.8%
2.1
Manufacturing
462
24.0%
10.1
Other services except public administration
46
2.4%
4.9
Professional, scientific, management, administrative and waste management services
142
7.4%
11.4
Public administration
26
1.3%
4.6
Retail trade
109
5.7%
11.5
Transportation, warehousing and utilities
116
6.0%
5.2
Wholesale trade
47
2.4%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
184
9.5%
8.8%
Management, professional, and related occupations
656
34.0%
37.6%
Production, transportation, and material moving occupations
463
24.0%
12.2%
Sales and office occupations
387
20.1%
23.3%
Service occupations
239
12.4%
18.1%
Rock Valley, IA Commute Statistics
Commute Type
Number
Percent
National Avg
Workers 16 Years and over
1,929
Car, truck, or van - drove alone
1,528
79.2%
76.3
Car, truck, or van - carpooled
136
7.1%
9.0
Public transportation (excluding taxicab)
30
1.6%
5.1
Walked
88
4.6%
2.7
Other means
48
2.5%
1.8
Worked at home
99
5.1%
5.0
Mean travel time to work (Minutes)
11.0
26.6
Rock Valley, IA Vehicles per Household
Vehicles per Household
Number
Percent
National Avg
None
56
4.3%
8.7
1 vehicles
301
23.1%
33.2
2 vehicles
660
50.6%
37.1
3 or more
287
22.0%
21.0
Rock Valley, IA Housing Occupancy
Housing Occupancy
Number
Percent
National Avg
Total Housing Units
Occupied Housing Units
1,304
94.2%
87.6
Owner Occupied
992
76.1%
63.1
Renter Occupied
312
23.9%
36.9
Vacant Housing Units
80
5.8%
12.4
Homeowner Vacancy Rate
4
0.0%
0.0
Rental Vacancy Rate
0
0.0%
0.0
Average household size of owner-occupied unit
2.7
0.0%
2.7
Average household size of renter-occupied unit
2.6
0.0%
2.5
Rock Valley, IA Rooms per Residence
Rooms per Residence
Number
Percent
National Avg
Total Housing Units
1,384
1 room
0
0.0%
2.4
2 rooms
20
1.4%
2.7
3 rooms
120
8.7%
9.1
4 rooms
192
13.9%
16.5
5 rooms
193
13.9%
19.8
6 rooms
209
15.1%
17.8
7 rooms
190
13.7%
12.0
8 rooms
221
16.0%
8.6
9 rooms or more
239
17.3%
11.1
Median Rooms
6
0.0
Rock Valley, IA Structure Type Statistics
Structure Type
Number
Percent
National Avg
Total Housing Units
1,384
1-unit, detached
1,131
81.7%
61.5
1-unit, attached
30
2.2%
5.9
2-units
27
2.0%
3.6
3 or 4 units
32
2.3%
4.4
5 to 9 units
13
0.9%
4.8
10 to 19 units
75
5.4%
4.4
20 or more units
12
0.9%
9.0
Mobile home
64
4.6%
6.2
Boat, RV, van, etc.
0
0.0%
0.1
Rock Valley, IA Housing Age Statistics
Housing Age
Number
Percent
National Avg
1939 or earlier
239
17.3%
12.8%
1940 to 1949
83
6.0%
5.0%
1950 to 1959
111
8.0%
10.4%
1960 to 1969
103
7.4%
10.7%
1970 to 1979
265
19.1%
15.3%
1980 to 1989
52
3.8%
13.5%
1990 to 1999
118
8.5%
13.9%
2000 to 2009
340
24.6%
14.2%
2010 to 2013
61
4.4%
2.8%
2014 or later
12
0.9%
1.4%
Rock Valley, IA Household Heating
Heating Fuel Type
Number
Percent
National Avg
Utility Gas
656
50.3%
48.1
Bottled, tank, or LP gas
50
3.8%
4.7
Electricity
567
43.5%
38.7
Fuel oil, kerosene, etc.
0
0.0%
4.8
Coal or coke
0
0.0%
0.1
Wood
16
1.2%
1.9
Solar energy
0
0.0%
0.1
Other fuel
0
0.0%
0.5
No fuel used
15
1.2%
1.1
Rock Valley, IA Mortgage Statistics
Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
632
47295100.0
Less than $500
0
0.0%
1.6%
$2,500 to $2,999
0
0.0%
7.0%
$3,000 or more
13
2.1%
10.3%
$2,000 to $2,499
25
4.0%
11.8%
$1,500 to $1,999
54
8.5%
20.1%
$500 to $999
260
41.1%
20.4%
$1,000 to $1,499
280
44.3%
28.8%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
395
62.5%
45.4%
20.0% to 24.9%
144
22.8%
15.7%
25.0% to 29.9%
31
4.9%
10.6%
30.0% to 34.9%
15
2.4%
7.0%
35.0% or more
47
7.4%
21.3%
Not Computed
0
0.0%
0.0%
Rock Valley, IA Rent Statistics
Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
299
41,631,300
$1,000 to $1,499
0
0.0%
28.3%
$2,500 to $2,999
0
0.0%
1.9%
$3,000 or more
0
0.0%
1.8%
$2,000 to $2,499
0
0.0%
4.4%
$1,500 to $1,999
0
0.0%
11.9%
Less than $500
58
19.4%
10.7%
$500 to $999
241
80.6%
41.0%
No Cash Rent
13
0.0%
2,206,240
Median (Dollars)
758
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
94
31.4%
13.1%
15.0% to 19.9%
0
0.0%
12.9%
20.0% to 24.9%
53
17.7%
12.8%
25.0% to 29.9%
39
13.0%
11.5%
30.0% to 34.9%
0
0.0%
9.0%
35.0% or more
113
37.8%
40.7%
Not Computed
13
0.0%
0.0%
Rock Valley, IA Property Value
Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
992
75,022,600
Less then $50,000
62
6.3%
7.3%
$50,000 to $99,999
214
21.6%
7.3%
$100,000 to $149,000
238
24.0%
14.1%
$150,000 to $199,000
210
21.2%
14.5%
$200,000 to $299,999
165
16.6%
19.2%
$300,000 to $499,999
89
9.0%
18.2%
$500,000 to $999,999
14
1.4%
10.5%
$1,000,000 or more
0
0.0%
3.1%
Median (Dollars)
141,800
205,000
