McHenry County, North Dakota: commercial real estate data.

McHenry County

How many people live in McHenry County

• Population, American Community Survey 2020-20245,207
• Households2,244
• Average household size2.32
• Median household income$80,733
• Median age43.4
• Median gross rent$713 per month
• Median owner-occupied home value$151,000
• Home value to household income1.9 times
• Annual rent as a share of median income10.6 percent
• Adults 25 and over with a bachelor degree or higher20.3 percent
• Adults 25 and over with a graduate degree3.3 percent
• Adults 25 and over3,657
• Population under 181,260
• Share under 1824.2 percent
• Population 65 and over1,153
• Share 65 and over22.1 percent
• Working age population, 18 to 642,794
• Civilian labor force2,589
• Unemployment rate4.1 percent
• Labor force participation, adults 18 and over65.6 percent
• Rank by population among North Dakota counties23rd of 53
• Rank by population among US county-equivalents, Puerto Rico included2881st of 3,222

McHenry County is the 23rd largest of 53 North Dakota counties by population. A median home costs 1.9 times median household income, which is affordable by national standards. Residents under 18 outnumber those 65 and over, at 24.2 percent against 22.1 percent, a household formation profile rather than a retirement one.

US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

McHenry County

Where are people moving to McHenry County from?

• Tax returns filed by households arriving115
• People arriving, from those returns184
• Tax returns filed by households leaving109
• Net household movement6
• Adjusted gross income arriving$6.6 m
• Net adjusted gross income movement$-1.9 m
• Average income of an arriving household$57,513
• Average income of a leaving household$77,798
• Largest single originWard County (45 households)
• Largest single destinationWard County (60 households)

Households arriving report $20,285 less average income than households leaving, which drains spending power even where headcount holds up. The largest single source of arrivals is Ward 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.

McHenry County

Employment by industry in McHenry County

• Covered employment, annual average1,298
• Establishments reporting242
• Average annual pay$55,382
• Average weekly wage$1,065
• Wholesale trade, employment141
• Wholesale trade, average annual pay$85,953
• Retail trade, employment112
• Retail trade, average annual pay$30,868
• Manufacturing, employment98
• Manufacturing, average annual pay$81,876
• Agriculture, forestry, fishing and hunting, employment97
• Agriculture, forestry, fishing and hunting, average annual pay$41,806
• Mining, quarrying, and oil and gas extraction, employment59
• Construction, employment40

Wholesale trade is the largest private sector at 141 jobs, 10.9 percent of covered employment.

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

McHenry County

Building permits in McHenry County

• Housing units authorized by permit, 202411
• Declared construction value permitted$3.0 m
• Single family units authorized11
• Multifamily units authorized0
• Multifamily share of units0.0 percent
• Average declared value per unit$274,774
• Units authorized per 1,000 households4.9

Single-family homes are 100.0 percent of units authorized, so the pipeline is predominantly single-family.

US Census Bureau, Building Permits Survey, 2024 annual.

McHenry County

Flood risk in McHenry County

• Participation of the county's own NFIP community McHenry County, unincorporated areasParticipating, community 380307
• Communities in the county in the NFIP Community Status Book13
• Of those, participating in the NFIP10
• NFIP participation rate76.9 percent
• Communities carrying a CRS class0
• Radon levels in McHenry 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 McHenry County (community 380307), participates in the National Flood Insurance Program and carries no Community Rating System class, so no CRS premium discount applies there. The EPA places McHenry 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. 76.9 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.

Feasibility studies

When a McHenry 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 McHenry County site starts with the figures you are reading, carrying the same source and period into the credit file.

• Population, American Community Survey 2020-20245,207
• Households2,244
• Average household size2.32
• Median household income$80,733
• Median age43.4

How a feasibility study works →

McHenry County

Cities and places in McHenry.

13 Census places lie wholly or partly in McHenry County. All 13 carry enough published place level data for a page of their own and are linked.