Sioux County, Iowa: commercial real estate data.
Sioux County, Iowa had an estimated 36,554 residents on July 1, 2024, up 1.9 percent since the 2020 census base of 35,876, across 768 square miles. County output reached $3.92 bn in 2024, 1,345 establishments operate here, and the SBA record carries 7 7(a) approvals worth $4.1 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Sioux County
How many people live in Sioux County
- Population, American Community Survey 2020-202436,212
- Households12,690
- Average household size2.85
- Median household income$86,098
- Median age33.8
- Median gross rent$908 per month
- Median owner-occupied home value$250,100
- Home value to household income2.9 times
- Annual rent as a share of median income12.7 percent
- Adults 25 and over with a bachelor degree or higher30.6 percent
- Adults 25 and over with a graduate degree8.3 percent
- Adults 25 and over21,486
- Population under 189,837
- Share under 1827.2 percent
- Population 65 and over5,866
- Share 65 and over16.2 percent
- Working age population, 18 to 6420,509
- Civilian labor force19,389
- Unemployment rate1.5 percent
- Labor force participation, adults 18 and over73.5 percent
- Rank by population among Iowa counties19th of 99
- Rank by population among US county-equivalents, Puerto Rico included1312th of 3,222
Sioux County is the 19th largest of 99 Iowa counties by population. A median home costs 2.9 times median household income, which is affordable by national standards. Residents under 18 outnumber those 65 and over, at 27.2 percent against 16.2 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Sioux County
Is Sioux County's population growing?
- Population, July 1, 202436,554
- Census 2020 base population35,876
- Population change since the 2020 census base1.89 percent
- Population change, 2023 to 2024155
- Births, 2024458
- Deaths, 2024270
- Natural change, 2024188
- Net domestic migration, 2024-250
- Net international migration, 2024217
- Total net migration, 2024-33
- Cumulative net domestic migration, 2021 to 2024-771
- Rank by growth among US county-equivalents1205th of 3,144
The county has grown 1.89 percent since the 2020 census base. Births exceeded deaths in 2024 by more than net migration took away, so the population grew even though more people left than moved in.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Sioux County
Where are people moving to Sioux County from?
- Tax returns filed by households arriving525
- People arriving, from those returns949
- Tax returns filed by households leaving644
- Net household movement-119
- Adjusted gross income arriving$29.6 m
- Net adjusted gross income movement$-22.9 m
- Average income of an arriving household$56,406
- Average income of a leaving household$81,613
- Largest single originPlymouth County (53 households)
- Largest single destinationO'Brien County (64 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Plymouth County | 53 | 84 | $2.7 m |
| O'Brien County | 48 | 87 | $2.7 m |
| Lyon County | 32 | 60 | $1.7 m |
| Minnehaha County | 31 | 51 | $1.8 m |
| Woodbury County | 24 | 32 | $805,000 |
| Lincoln County | 24 | 44 | $1.5 m |
Households arriving report $25,207 less average income than households leaving, which drains spending power even where headcount holds up. The largest single source of arrivals is Plymouth County, which is the catchment a retail or multifamily study should look at first.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Sioux County
What is the Sioux County economy?
- County GDP, 2024$3.92 bn
- County GDP, 2023$3.29 bn
- GDP change, 2023 to 202419.2 percent
- GDP change over five years52.7 percent
- Rank by GDP among the Iowa areas BEA publishes11th of 99
- Rank by GDP among the US county areas BEA publishes818th of 3,127
- GDP per resident$108,253
Output grew 19.2 percent in the latest year and 52.7 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Sioux County
Employment by industry in Sioux County
- Covered employment, annual average22,957
- Establishments reporting1,576
- Average annual pay$55,762
- Average weekly wage$1,072
- Manufacturing, employment6,038
- Manufacturing, average annual pay$65,242
- Health care and social assistance, employment2,076
- Health care and social assistance, average annual pay$44,040
- Construction, employment2,017
- Construction, average annual pay$79,908
- Retail trade, employment1,859
- Retail trade, average annual pay$33,831
- Agriculture, forestry, fishing and hunting, employment1,530
- Educational services, employment1,356
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Manufacturing | 6,038 | 107 | $65,242 |
| Health care and social assistance | 2,076 | 113 | $44,040 |
| Construction | 2,017 | 190 | $79,908 |
| Retail trade | 1,859 | 138 | $33,831 |
| Agriculture, forestry, fishing and hunting | 1,530 | 138 | $63,262 |
| Educational services | 1,356 | 26 | $41,027 |
| Wholesale trade | 1,280 | 118 | $72,946 |
| Accommodation and food services | 1,231 | 79 | $15,598 |
Manufacturing is the largest private sector at 6,038 jobs, 26.3 percent of covered employment.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Sioux County
How many businesses are in Sioux County?
- Establishments, all industries1,345
- Employment at those establishments20,910
- Annual payroll$1.08 bn
- Establishments per 1,000 residents37.1
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against. County Business Patterns counts private establishments with paid employees in March 2023, while the Quarterly Census of Employment and Wages above counts every unemployment-insured employer, public ones included, as a 2024 annual average, so the two establishment and employment counts differ.
US Census Bureau, County Business Patterns, 2023.
Sioux County
Building permits in Sioux County
- Housing units authorized by permit, 2024251
- Declared construction value permitted$64.0 m
- Single family units authorized146
- Multifamily units authorized105
- Multifamily share of units41.8 percent
- Average declared value per unit$255,156
- Units authorized per 1,000 households19.8
Multifamily is 41.8 percent of units authorized, so the pipeline is being built for renters rather than buyers.
US Census Bureau, Building Permits Survey, 2024 annual.
Sioux County
SBA loans in Sioux County (7(a) and 504)
- 7(a) approvals recorded7
- 7(a) gross approval dollars$4.1 m
- Average 7(a) approval$584,357
- Median 7(a) approval$400,000
- Largest single approval$1,608,000
- Jobs reported supported, 7(a)122
- Jobs per approval17.4
- Distinct 7(a) lenders active5
- Distinct industries receiving approvals6
- Median 7(a) term120 months
- Share of loans on real estate terms, 240 months or longer28.6 percent
- Loans on real estate terms2
- Loans on working capital terms, 120 months or shorter5
- Franchise loans2
- Franchise share of approvals28.6 percent
- Most active lenderIowa State Bank (3)
- 504 approvals recorded45
- 504 gross approval dollars$33.3 m
- Average 504 approval$740,156
- Median 504 approval$429,000
- Distinct CDCs active2
- 504 jobs per approval7.3
- 504 jobs per million dollars approved9.8
- Most active CDCSiouxland Economic Development Corporation (43)
- Combined SBA approval dollars, 7(a) FY2020 to FY2026 and 504 FY2010 to FY2026$37.4 m
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Sioux County
SBA loan default and charge-off rates in Sioux County
Do SBA loans in Sioux County get paid back?
- Loans with a final outcome recorded1
- Paid in full1
- Charged off0
- Status: Exempt from disclosure4
- Status: Paid in full1
- Status: Cancelled2
Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
Compare against the national and state SBA charge-off rates, computed the same way over resolved loans only.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Sioux County
SBA lending by place in Sioux County
- Borrower cities with recorded lending4
- Sioux Center, approvals3
- Hull, approvals2
- Rock Valley, approvals1
- Orange City, approvals1
| Borrower city | Approvals | Gross approval dollars |
|---|---|---|
| Sioux Center | 3 | $815,200 |
| Hull | 2 | $1,513,000 |
| Rock Valley | 1 | $1,608,000 |
| Orange City | 1 | $154,300 |
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Sioux County
How large is Sioux County?
- Land area768 sq mi
- Rank by land area among Iowa counties6th of 99
- Width, east to west36 mi
- Height, north to south24.2 mi
- Geographies sharing a boundary5
- Residents per square mile of land47
- Establishments per square mile1.75
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Sioux County
Flood risk in Sioux County
- Participation of the county's own NFIP community Sioux County, unincorporated areasParticipating, community 190906
- Communities in the county in the NFIP Community Status Book15
- Of those, participating in the NFIP14
- NFIP participation rate93.3 percent
- Communities carrying a CRS class0
- Radon levels in Sioux County, EPA zone predicted average indoor radon screening level greater than 4 pCi/LZone 1
The county's own community in the status book, unincorporated Sioux County (community 190906), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places Sioux County in radon zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. The zone is a screening prediction for the county and does not substitute for a test at an address. 93.3 percent of the county's listed communities participate in the National Flood Insurance Program, per Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26. US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Coverage
What this page does not hold.
Traffic counts, 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 →
Feasibility studies
When a Sioux County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Sioux County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population, American Community Survey 2020-202436,212
- Households12,690
- Average household size2.85
- Median household income$86,098
- Median age33.8
Common questions
Sioux County questions, answered from the record.
How many people live in Sioux County, Iowa?
The Census Bureau estimates 36,554 residents on July 1, 2024 (US Census Bureau, Population Estimates Program, Vintage 2024). The American Community Survey 2020-2024 five-year estimate is 36,212, in 12,690 households, ranking 19th of 99 Iowa counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Sioux County's population growing?
The population has grown 1.89 percent since the 2020 census base of 35,876, to 36,554 on July 1, 2024. In 2024 there were 458 births against 270 deaths, with net migration of -33. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Sioux County?
$86,098. The median owner-occupied home is valued at $250,100, which is 2.9 times income, and median gross rent is $908 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are in Sioux County?
1,345 establishments, employing 20,910 people with an annual payroll of $1.08 bn. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is employment by industry in Sioux County?
Manufacturing is the largest private sector at 6,038 jobs, 26.3 percent of covered employment. Covered employment averages 22,957 jobs at an average annual pay of $55,762, or $1,072 a week. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Sioux County?
7 7(a) approvals totaling $4.1 m since FY2020, across 5 lenders, with a median approval of $400,000, plus 45 504 approvals worth $33.3 m since FY2010. These are approvals recorded in the release, not loans disbursed.
How many building permits were issued in Sioux County?
251 housing units were authorized by permit in 2024, with a declared construction value of $64.0 m. Multifamily was 41.8 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Sioux County?
Zone 1, a predicted average indoor radon screening level greater than 4 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Where do people moving to Sioux County come from?
The largest single origin is Plymouth County, with 53 households. Arriving households report an average income of $56,406 against $81,613 for those leaving. Source: US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Are traffic counts available for Sioux County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Sioux County?
No. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame, to be confirmed locally.
Sioux County
Cities and places in Sioux.
14 Census places lie wholly or partly in Sioux County. All 14 carry enough published place level data for a page of their own and are linked.
| Place | Type | Population | SBA 7(a) approvals, projects in this county | Lies in |
|---|---|---|---|---|
| Sioux Center | city | 8,454 | 3 | Wholly in this county |
| Orange City | city | 6,426 | 1 | Wholly in this county |
| Sheldon | city | 5,474 | None recorded | 14.6 percent here, 85.4 percent O'Brien County |
| Rock Valley | city | 4,059 | 1 | Wholly in this county |
| Hawarden | city | 2,658 | None recorded | Wholly in this county |
| Hull | city | 2,317 | 2 | Wholly in this county |
| Alton | city | 1,459 | None recorded | Wholly in this county |
| Hospers | city | 916 | None recorded | Wholly in this county |
| Boyden | city | 757 | None recorded | Wholly in this county |
| Ireton | city | 552 | None recorded | Wholly in this county |
| Granville | city | 265 | None recorded | Wholly in this county |
| Maurice | city | 206 | None recorded | Wholly in this county |
| Matlock | city | 144 | None recorded | Wholly in this county |
| Chatsworth | city | 54 | None recorded | Wholly in this county |
Nearby