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McHenry County, Illinois

McHenry County, Illinois · ZIP 60010, 60012, 60013

  • Census data · ACS 2019-2023
Browse the 57 townsFind my townSponsor a town here
  • 315,959 (2024 estimate)Population
  • 116,329Households
  • $102,836Median household income
  • $286,900Median home value
  • 57Towns with a page
  • 21ZIP codes

McHenry County in numbersOfficial sources, refreshed yearly

Population, 2000 to 2020+19.3%
260k280k300k320k2000: 260,07720002010: 308,76020102020: 310,2292020260,077310,229
Population of McHenry County at each census
CensusPopulation
2000260,077
2010308,760
2020310,229

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.

Household income in McHenry County
Under $50k21%
$50k to $100k27.5%
$100k to $150k21.7%
$150k to $200k13.1%
$200k and over16.7%

Median household income $102,836 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 17, retrieved November 14, 2026.

Housing tenure in McHenry County
Owner occupied
96,063 units
Renter occupied
20,266 units
Vacancy rate
3.5%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Jobs by sector in McHenry County2023
Manufacturing14,040
Retail trade13,697
Health care and social assistance13,009
Accommodation and food services10,681
Construction7,214
Wholesale trade5,646
Administrative and support and waste management and remediation services4,565
Other services (except public administration)4,304

87,684 employees in 8,140 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, county level, state 17, retrieved November 14, 2026.

McHenry County compared with its state
McHenry County compared with its state, American Community Survey 2019-2023
MeasureMcHenry CountyIllinois
Population311,36612,692,653
Median household income$102,836$81,702
Median age40.438.9
Median home value$286,900$250,500
Bachelor’s degree or higher35.2%37.2%
Foreign-born residents9.3%14.4%
Owner-occupied homes82.6%66.8%
Mean commute to work30.6 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.

Townships, towns and villages in McHenry County57 with a page · sort by any column

Type
Algonquin TownshipTownship88,91546.5 sq mi
Grafton TownshipTownship57,53035.7 sq mi
McHenry TownshipTownship47,79844.7 sq mi
Crystal LakeCity41,51319.0 sq mi
Nunda TownshipTownship38,88846.9 sq mi
AlgonquinVillage30,53912.6 sq mi
McHenryCity28,82515.0 sq mi
Lake in the HillsVillage28,70610.2 sq mi
HuntleyVillage28,49514.7 sq mi
WoodstockCity25,89213.2 sq mi
Dorr TownshipTownship21,71235.9 sq mi
CaryVillage18,0316.53 sq mi
Greenwood TownshipTownship15,15335.3 sq mi
HarvardCity9,4088.38 sq mi
Chemung TownshipTownship9,02533.0 sq mi
Island LakeVillage8,0663.38 sq mi
MarengoCity7,6998.88 sq mi
Marengo TownshipTownship7,32135.9 sq mi
Richmond TownshipTownship6,80732.9 sq mi
LakemoorVillage6,4515.28 sq mi
JohnsburgVillage6,4287.25 sq mi
Spring GroveVillage5,5549.05 sq mi
Wonder LakeVillage5,2965.02 sq mi
Burton TownshipTownship4,89310.8 sq mi
Fox River GroveVillage4,7471.71 sq mi
LakewoodVillage4,2874.59 sq mi
Coral TownshipTownship3,74936.0 sq mi
Pistakee HighlandsCensus designated place3,2141.28 sq mi
Riley TownshipTownship3,01736.0 sq mi
Seneca TownshipTownship2,88235.9 sq mi
Dunham TownshipTownship2,77235.9 sq mi
Hebron TownshipTownship2,34033.0 sq mi
RichmondVillage2,1234.29 sq mi
Oakwood HillsVillage2,0591.09 sq mi
Prairie GroveVillage1,9516.08 sq mi
Hartland TownshipTownship1,89035.7 sq mi
HebronVillage1,3961.96 sq mi
Alden TownshipTownship1,26733.2 sq mi
Bull ValleyVillage1,1369.84 sq mi
McCullom LakeVillage9680.35 sq mi
RingwoodVillage8373.86 sq mi
UnionVillage6900.84 sq mi
Holiday HillsVillage6060.93 sq mi
Trout ValleyVillage5070.43 sq mi
GreenwoodVillage3162.66 sq mi
ChemungCensus designated place2510.28 sq mi
RidgefieldCensus designated place2180.52 sq mi
LawrenceCensus designated place2130.37 sq mi
Burtons BridgeCensus designated place1800.12 sq mi
Solon MillsCensus designated place1400.19 sq mi
HartlandCensus designated place1140.32 sq mi
AldenCensus designated place360.13 sq mi
Big Foot PrairieCensus designated place00.22 sq mi
CoralCensus designated place00.04 sq mi
FranklinvilleCensus designated place00.17 sq mi
HarmonyCensus designated place00.53 sq mi
RileyCensus designated place00.18 sq mi

Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.

County officialsFrom public records

No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.

Across McHenry County

Jobs across McHenry County

No job is posted in McHenry County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.

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Events in the next 31 days

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Neighboring counties

Neighboring counties

Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 55, retrieved November 14, 2026.