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HomeNorth DakotaSioux County

Sioux County, North Dakota: commercial real estate data.

Sioux County, North Dakota has a population of 3,740 across 1,094 square miles, down 4.7 percent since the 2020 census base. County output reached $150.6 m in 2024, 30 establishments operate here.

71 sourced county values · tier FULL · 8 sections

Sioux County

How many people live in Sioux County

  • Population3,740
  • Households1,112
  • Average household size3.36
  • Median household income$42,083
  • Median age28.2
  • Median gross rent$444 per month
  • Median owner-occupied home value$85,400
  • Home value to household income2.0 times
  • Annual rent as a share of median income12.7 percent
  • Adults 25 and over with a bachelor degree or higher16.3 percent
  • Adults 25 and over with a graduate degree5.7 percent
  • Adults 25 and over1,962
  • Population under 181,273
  • Share under 1834.0 percent
  • Population 65 and over360
  • Share 65 and over9.6 percent
  • Working age population, 18 to 642,107
  • Civilian labor force1,387
  • Unemployment rate17.0 percent
  • Labor force participation, adults 18 and over56.2 percent
  • Rank by population among North Dakota counties30th of 53
  • Rank by population among US county-equivalents2981st

Sioux County is the 30th largest of 53 North Dakota counties by population. A median home costs 2.0 times median household income, which is an affordable ownership market by national standards. Residents under 18 outnumber those 65 and over, at 34.0 percent against 9.6 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 growing

  • Population change since the 2020 census base-4.72 percent
  • Census 2020 base population3,897
  • Births, 202448
  • Deaths, 202459
  • Natural change, 2024-11
  • Net domestic migration, 202464
  • Net international migration, 20241
  • Total net migration, 202465
  • Cumulative net domestic migration, 2021 to 2024-153
  • Rank by growth among US county-equivalents2960th

The county has lost 4.72 percent of its population since the 2020 census base. Deaths exceeded births in 2024, so all of the growth came from people moving in. A market held up by migration alone is more sensitive to a change in relative cost than one growing from household formation.

US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.

Sioux County

Where people moving to Sioux County come from

  • Tax returns filed by households arriving23
  • People arriving, from those returns33
  • Adjusted gross income arriving$510,000
  • Net adjusted gross income movement$0
  • Average income of an arriving household$22,174
  • Largest single originSioux County Non-migrants (938 households)
  • Largest single destination (938 households)
Largest origins of households moving into Sioux County
OriginHouseholdsPeopleAdjusted gross income
Sioux County Non-migrants9382,253$39.8 m
Other flows - Same State2333$510,000

The largest single source of arrivals is Sioux County Non-migrants, 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 the Sioux County economy runs on

  • County GDP, 2024$150.6 m
  • County GDP, 2023$151.5 m
  • GDP change, 2023 to 2024-0.6 percent
  • GDP change over five years-0.1 percent
  • Rank by GDP among North Dakota counties48th
  • Rank by GDP among US county-equivalents2978th
  • GDP per resident$40,274

Output grew -0.6 percent in the latest year and -0.1 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

Who employs people in Sioux County

  • Covered employment, annual average1,491
  • Establishments reporting78
  • Average annual pay$55,889
  • Average weekly wage$1,075
  • Sector 44-45, employment37
  • Sector 44-45, average annual pay$21,418
  • Sector 56, employment25
  • Sector 56, average annual pay$117,513
  • Sector 81, employment19
  • Sector 81, average annual pay$36,524
Private sector employment and pay, Sioux County
SectorEmploymentEstablishmentsAverage annual pay
Sector 44-45374$21,418
Sector 56253$117,513
Sector 81196$36,524

The largest sector is the biggest private employer group at 37 jobs, 2.5 percent of covered employment. Average pay per job exceeds median household income, which usually means single earner households and a wage base that can carry rent.

US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.

Sioux County

What businesses operate in Sioux County

  • Establishments, all industries30
  • Employment at those establishments529
  • Annual payroll$22.8 m
  • Establishments per 1,000 residents8.0

These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against.

US Census Bureau, County Business Patterns, 2023.

Sioux County

What is being built in Sioux County

  • Housing units authorised by permit, 20240
  • Declared construction value permitted$0
  • Single family units authorised0
  • Multifamily units authorised0

No residential units were authorised by permit in 2024. In a small county this is common and is not by itself a sign of distress, but it does mean there is no recent residential pipeline to read demand from.

US Census Bureau, Building Permits Survey, 2024 annual.

Sioux County

How big is Sioux County

  • Land area1,094 sq mi
  • Rank by land area among North Dakota counties34th of 53
  • Width, east to west71.4 mi
  • Height, north to south33.4 mi
  • Geographies sharing a boundary4
  • Residents per square mile of land3
  • Establishments per square mile0.03

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.

Coverage

What this page does not hold.

Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.

  • No 7(a) approvals recorded in this county in the FOIA release covering FY2020 onward.
  • No 504 approvals recorded in this county in the FOIA release covering FY2010 onward.
  • No NFIP communities are listed for this county in the FEMA Community Status Book.
  • Flood zone record counts are not held. The flood coverage export has not landed, so no count is shown rather than an estimated one.
  • Traffic counts resolve in the platform, not in this dataset, so no AADT figure is printed here.
  • Zoning is in build. Parcel level zoning is not published on this page.

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.

  • Population3,740
  • Households1,112
  • Average household size3.36
  • Median household income$42,083
  • Median age28.2

How a feasibility study works →

Common questions

Sioux County questions, answered from the record.

How many people live in Sioux County, North Dakota?

3,740, in 1,112 households, ranking 30th of 53 North Dakota counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

Is Sioux County growing?

The population has fallen 4.72 percent since the 2020 census base. In 2024 there were 48 births against 59 deaths, with net migration of 65. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.

What is the median household income in Sioux County?

$42,083. The median owner-occupied home is valued at $85,400, which is 2.0 times income, and median gross rent is $444 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

How many businesses are there in Sioux County?

30 establishments, employing 529 people with an annual payroll of $22.8 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.

What is the average wage in Sioux County?

Average annual pay is $55,889, or $1,075 a week, across 1,491 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.

What is being built in Sioux County?

No residential units were authorised by permit in 2024. 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 Sioux County Non-migrants, with 938 households. Arriving households report an average income of $22,174 against null 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?

Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame with confirm locally attached.