Rock Valley vs Sioux Center

A side-by-side comparison of Rock Valley and Sioux Center: population, income, housing, and more.

Rock Valley and Sioux Center are places in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Sioux Center has the higher population (8,335 vs 4,061 in Rock Valley). Sioux Center has the higher median household income ($87,555 vs $67,012 in Rock Valley). Sioux Center has the higher median home value ($275,900 vs $225,800 in Rock Valley).

Population, income & housing

	Rock Valley	Sioux Center
Population	4,061	8,335
Median age	41.0 yrs	29.3 yrs
Median household income	$67,012	$87,555
Median home value	$225,800	$275,900
Median gross rent	$1,070	$884
Housing units	1,610	2,742
Homeownership rate	62.6%	74.8%
Bachelor's degree or higher	21.4%	40.7%
Unemployment rate	0.4%	1.2%

Trends (ACS 5-year, 2019–2023)

	Rock Valley	Sioux Center
Population	3,812 → 4,061 (+6.5%)	7,534 → 8,335 (+10.6%)
Median household income	$68,766 → $67,012 (-2.6%)	$74,313 → $87,555 (+17.8%)
Median home value	$143,600 → $225,800 (+57.2%)	$208,900 → $275,900 (+32.1%)
Median gross rent	$669 → $1,070 (+59.9%)	$815 → $884 (+8.5%)

Rock Valley

Population

3,8124,061

Median household income

$68,766$67,012

Median home value

$143,600$225,800

Median gross rent

$669$1,070

Sioux Center

Population

7,5348,335

Median household income

$74,313$87,555

Median home value

$208,900$275,900

Median gross rent

$815$884

Age & race/ethnicity

Age distribution (share)

	Rock Valley	Sioux Center
Under 5	4.8%	9.2%
5 to 17	21.3%	18.5%
18 to 24	12.9%	18.7%
25 to 34	6.1%	12.1%
35 to 44	18.8%	10.6%
45 to 54	9.3%	10.2%
55 to 64	6.0%	8.7%
65 to 74	12.1%	5.6%
75 and over	8.7%	6.4%

Race & ethnicity (share)

	Rock Valley	Sioux Center
White (non-Hispanic)	67.9%	79.7%
Black or African American	0.0%	0.5%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	1.4%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.4%
Two or more races	0.0%	1.1%
Hispanic or Latino	32.1%	16.9%

Educational attainment (age 25+)

Share of adults 25+

	Rock Valley	Sioux Center
No high school diploma	14.0%	11.9%
High school graduate	38.6%	20.2%
Some college or associate's	26.0%	27.2%
Bachelor's degree	16.0%	25.8%
Graduate or professional degree	5.4%	14.9%

Commute to work

How workers get to work (share)

	Rock Valley	Sioux Center
Drove alone	72.1%	76.8%
Carpooled	11.1%	4.6%
Public transit	1.0%	0.0%
Walked	3.4%	4.0%
Bicycle	3.7%	0.0%
Worked from home	8.6%	14.1%
Other means	0.0%	0.4%

Housing

Units in structure (share)

	Rock Valley	Sioux Center
1-unit, detached	73.0%	73.0%
1-unit, attached	5.2%	7.7%
2 to 4 units	4.6%	5.0%
5 to 19 units	11.1%	7.5%
20 or more units	6.0%	4.2%
Mobile home & other	0.0%	2.5%

Poverty & households

	Rock Valley	Sioux Center
Poverty rate	6.4%	1.8%
Average household size	2.48	2.71
Mean commute (minutes)	12	12
Median year structure built	1975	1979