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Algonquin Founders' Days canceled after record Fox River flooding
Storms in McHenry County add to flood-ravaged Fox River
Age
| Under 5 Years | 1902 |
| 5 to 9 Years | 1997 |
| 10 to 14 Years | 2672 |
| 15 to 19 Years | 2496 |
| 20 to 24 Years | 1239 |
| 25 to 34 Years | 2970 |
| 35 to 44 Years | 5432 |
| 45 to 54 Years | 4772 |
| 55 to 59 Years | 1902 |
| 60 to 64 Years | 1913 |
| 65 to 74 Years | 1952 |
| 75 to 84 Years | 492 |
| 85 Years and Over | 185 |
| Median Age (in years) | 38.8 |
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Ancestry
| American | 851 | 2.8% |
| Arab | 58 | 0.2% |
| Czech | 328 | 1.1% |
| Danish | 294 | 1.0% |
| Dutch | 696 | 2.2% |
| English | 2,044 | 6.6% |
| French (except Basque) | 686 | 2.2% |
| French Canadian | 176 | 0.6% |
| German | 8,466 | 27.4% |
| Greek | 256 | 0.8% |
| Hungarian | 488 | 1.6% |
| Irish | 4,365 | 14.1% |
| Italian | 3,945 | 12.8% |
| Lithuanian | 130 | 0.4% |
| Norwegian | 626 | 2.0% |
| Polish | 5,118 | 16.5% |
| Portuguese | 75 | 0.2% |
| Russian | 448 | 1.4% |
| Scotch-Irish | 83 | 0.3% |
| Scottish | 243 | 0.8% |
| Slovak | 88 | 0.3% |
| Subsaharan Africa | 105 | 0.3% |
| Swedish | 1,042 | 3.4% |
| Swiss | 71 | 0.2% |
| Ukrainian | 127 | 0.4% |
| Welsh | 106 | 0.3% |
| West Indian (excluding Hispanic Origin Groups) | 20 | 0.1% |
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Eyes slowly turn to recovery as Fox River recedes
Algonquin Founders' Days location moved because of recent Fox River flooding
Education
| Less than 9th Grade | 217 | 1.1% |
| 9th to 12th grade, No Diploma | 658 | 3.4% |
| High School Graduate (includes equivalency) | 3,893 | 19.8% |
| Some College, No Degree | 3,772 | 19.2% |
| Associates Degree | 1,885 | 9.6% |
| Bachelor's Degree | 5,869 | 29.9% |
| Graduate or Professional Degree | 3,324 | 16.9% |
| Population 25 years and Over | 19,618 | |
| High School Graduate or Higher | 95.53& | |
| Bachelor's Degree or Higher | 46.86% |
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Gender
| Male | 14,988 | 50.09% |
| Female | 14,936 | 49.91% |
| Total Population | 29,924 |
Longmeadow Parkway: Construction in Algonquin on track for November finish
Forecasters predict more rain for flood-swollen Fox River
Household Type
| Total Households | 10,388 | |
| Family Households | 8,102 | 77.99% |
| with own children under 18 years | 4,173 | 40.17% |
Household Occupation
| Occupied Housing Units | 10,388 | |
| Owner-Occupied | 9,172 | 88.29% |
| Renter Occupied | 1,216 | 11.70& |
Chain O' Lakes, Fox River show signs of cresting, but McHenry County residents continue efforts against flooding
Fox River flooding: Gov. Bruce Rauner visits McHenry County areas affected by floodwaters
Household Gross Rent
| Median (dollars) | $1509 |
Household Selected Monthly Owner Costs
| Housing Units with a Mortgage | 7,577 |
| Median (dollars) | $2224 |
| Housing Units Without a Mortgage | 1,595 |
| Median (dollars) | $773 |
Gov. Bruce Rauner to visit McHenry County Sunday to tour flood damage
McHenry County braces for 'unprecedented' Fox River flood
Household Value
| Median (dollars) | $264,000 |
Income & Benefits (in 2012 Inflation-Adjusted Dollars)
| Median Household Income (dollars) | $100,269 |
McHenry County Board picks Christopher Spoerl to fill vacancy
McHenry County prepares for more flooding this weekend
Industry
| Agriculture, Forestry, Fishing, Hunting, and Mining | 23 | 0.15% |
| Arts, Entertainment, Recreation, Accommodation and Food Services | 1,018 | 6.57% |
| Construction | 736 | 4.75% |
| Educational Services, Health Care, and Social Assistance | 3,139 | 20.25% |
| Finance & Insurance, and Real Estate and Rental and Leasing | 1,482 | 9.56% |
| Information | 570 | 3.68% |
| Manufacturing | 2,300 | 14.84% |
| Other Services, Except Public Administration | 462 | 2.98% |
| Professional, Scientific, and Management, and Administrative and Waste Management Services | 1,866 | 12.04% |
| Public Administration | 215 | 1.39% |
| Retail Trade | 2,052 | 13.24% |
| Transportation, Warehousing, and Utilities | 798 | 5.15% |
| Wholesale Trade | 840 | 5.42% |
| Civilian Employed Population 16 Years and over | 15,501 |
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Land
| Area (in square miles) | 12.23 |
| Density (in square feet) | 2,446.8 |
Lake in the Hills fire leaves home uninhabitable
Former Cary School District 26 Board president nominated to fill McHenry County Board vacancy
Political Leaders
| President | Barack Obama |
| U.S. Senate | Richard Durbin |
| U.S. Senate | Mark Kirk |
| U.S. House of Representatives | Peter Roskam |
| U.S. House of Representatives | Randy Hultgren |
| Illinois Senate | Karen McConnaughay |
| Illinois Senate | Dan Duffy |
| Illinois House of Representatives | Michael Tryon |
| Illinois House of Representatives | David McSweeney |
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Race
| Hispanic or Latino (of any race) | 2,584 |
| Cuban | 19 |
| Mexican | 1,503 |
| Other Hispanic or Latino | 610 |
| Puerto Rican | 452 |
| Total Population | 2,584 |
| Not Hispanic or Latino | 27,340 |
| American Indian and Alaska Native Alone | 12 |
| Asian Alone | 2,486 |
| Black or African American Alone | 744 |
| Native Hawaiian and Other Pacific Islander Alone | 0 |
| Some Other Race Alone | 13 |
| Two or More Races | 258 |
| Two or More Races including Some Other Race | 0 |
| Two Races Excluding Some Other Race, and Three or More Races | 258 |
| White Alone | 23,827 |
| Total Population | 29,924 |
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Crystal Lake man, Lake in the Hills woman die in motorcycle crash on Algonquin bypass
Algonquin-based School District 300 to collect supplies for students in need
Schools
| Unified School Districts | Community Unit School District 300 |
| Unified School Districts | Huntley Consolidated School Dist. 158 |
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Weather
| January | |
| Avg. High | 28 |
| Avg. Low | 13 |
| Mean | 21 |
| Avg. Precipitation | 1.9 |
| February | |
| Avg. High | 33 |
| Avg. Low | 17 |
| Mean | 25 |
| Avg. Precipitation | 1.97 |
| March | |
| Avg. High | 44 |
| Avg. Low | 26 |
| Mean | 35 |
| Avg. Precipitation | 2.29 |
| April | |
| Avg. High | 57 |
| Avg. Low | 38 |
| Mean | 48 |
| Avg. Precipitation | 3.56 |
| May | |
| Avg. High | 68 |
| Avg. Low | 48 |
| Mean | 58 |
| Avg. Precipitation | 4.24 |
| June | |
| Avg. High | 78 |
| Avg. Low | 58 |
| Mean | 68 |
| Avg. Precipitation | 3.85 |
| July | |
| Avg. High | 82 |
| Avg. Low | 63 |
| Mean | 73 |
| Avg. Precipitation | 3.78 |
| August | |
| Avg. High | 79 |
| Avg. Low | 61 |
| Mean | 70 |
| Avg. Precipitation | 4.86 |
| September | |
| Avg. High | 72 |
| Avg. Low | 52 |
| Mean | 62 |
| Avg. Precipitation | 3.4 |
| October | |
| Avg. High | 60 |
| Avg. Low | 41 |
| Mean | 51 |
| Avg. Precipitation | 3.1 |
| November | |
| Avg. High | 47 |
| Avg. Low | 30 |
| Mean | 39 |
| Avg. Precipitation | 3.04 |
| December | |
| Avg. High | 33 |
| Avg. Low | 18 |
| Mean | 26 |
| Avg. Precipitation | 2.26 |
