HomeIowaSioux CountyRock Valley
Rock Valley, Iowa: commercial real estate data.
Rock Valley is a Census city of 4,059 people across 4.46 square miles of land, in Sioux County. Median household income is $76,250, 51.1 percent of occupied homes are owned, and the SBA record carries 2 7(a) approvals to borrowers here worth $1.7 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Rock Valley
What Rock Valley is
- Census place typecity
- Land area4.46 sq mi
- Water area0.05 sq mi
- Population per square mile of land910
- County holding the largest share of its areaSioux County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Rock Valley
How many people live in Rock Valley
- Population4,059
- Median age35.1
- Population under 181,168 plus or minus 236
- Share under 1828.8 percent plus or minus 5.8
- Population 65 and over775 plus or minus 189
- Share 65 and over19.1 percent plus or minus 4.6
- Households1,452
- Family households989
- Share of households that are families68.1 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Rock Valley
Income and work in Rock Valley
- Median household income$76,250
- Per capita income$31,083
- Civilian labor force2,109
- Employed2,100
- Unemployed9 plus or minus 16
- Unemployment rate0.4 percent plus or minus 0.8
- Adults 25 and over2,335
- Adults 25 and over with a high school diploma or higher82.4 percent
- Adults 25 and over with a bachelor degree or higher16.6 percent plus or minus 6.2
- Adults 25 and over with a graduate degree2.8 percent plus or minus 2.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Rock Valley
Housing in Rock Valley
- Housing units1,466
- Occupied units1,452
- Vacant units14 plus or minus 23
- Vacancy rate1.0 percent plus or minus 1.6
- Owner occupied742 plus or minus 185
- Renter occupied710
- Ownership rate51.1 percent plus or minus 11.6
- Median owner-occupied home value$231,200
- Median gross rent, monthly$1,142
- Annual rent as a share of median income18.0 percent
- Single family units1,014
- Share single family69.2 percent
- Units in buildings of two or more402 plus or minus 159
- Share in buildings of two or more27.4 percent plus or minus 10.5
- Mobile homes50 plus or minus 56
- Median year structure built1983
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Rock Valley
How Rock Valley gets to work
- Workers 16 and over who commute1,966
- Commuting under 15 minutes1,182 plus or minus 252
- Share commuting under 15 minutes60.1 percent
- Commuting 30 minutes or more178 plus or minus 104
- Share commuting 30 minutes or more9.1 percent plus or minus 5.2
- Drove alone79.2 percent
- Carpooled7.2 percent plus or minus 4.5
- Public transport0.9 percent plus or minus 1.4
- Walked1.7 percent plus or minus 1.8
- Worked from home6.3 percent plus or minus 4.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Rock Valley
SBA loans in Rock Valley (7(a))
- Approvals2
- Gross approval$1,689,000
- Average approval$844,500
- Median approval$844,500
- Largest approval$1,608,000
- Jobs supported16
- Jobs per approval8.0
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term192 months
- Share on real estate terms of 20 years or more50.0 percent
- Share to franchises0.0 percent
- Distinct lenders2
- Distinct industries by NAICS2
Counted by borrower city: approvals to borrowers whose address is in Rock Valley, in any county, FY2020 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Rock Valley
SBA loans in Rock Valley (504)
- Approvals9
- Gross approval$5,083,000
- Average approval$564,778
- Median approval$475,000
- Largest approval$1,144,000
- Jobs supported185
- Loans with a final outcome2
- Charged off0
- Median term240 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Rock Valley, in any county, FY2010 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Rock Valley
Flood risk in Rock Valley
- NFIP communityCity of Rock Valley
- NFIP community number190253
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date08/02/22(M)
The City of Rock Valley participates in the National Flood Insurance Program as community 190253 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Sioux County, not Rock Valley
Sioux County context, not Rock Valley figures
- Establishments in Sioux County1,345
- Covered employment, Sioux County22,957
- Average annual pay, Sioux County$55,762
- Housing units permitted, Sioux County251
Every figure in this section is published for Sioux County as a whole and is not a measurement of Rock Valley.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Rock Valley questions, answered from the record.
How many people live in Rock Valley, Iowa?
4,059, in 1,452 households. Rock Valley city covers 4.46 square miles of land, which is 910 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Rock Valley in?
Sioux County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Rock Valley?
$76,250. The median owner-occupied home is valued at $231,200. Median gross rent is $1,142 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Rock Valley businesses?
2 7(a) approvals totaling $1.7 m since FY2020, across 2 lenders, median approval $844,500, plus 9 504 approvals worth $5.1 m since FY2010. These count approvals to borrowers whose address is in Rock Valley, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Rock Valley borrowers get paid back?
No rate is published for Rock Valley. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Rock Valley in the National Flood Insurance Program?
Yes. Rock Valley appears in the FEMA Community Status Book as Rock Valley, city of, community 190253, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Rock Valley figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Sioux County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Rock Valley.
Is zoning published for Rock Valley?
No. Nothing on this page presents parcel level zoning.
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