Geography
McHenry is placed at 42°20'Twenty-one" North, 88°16'54" West (42.339221, -88.281632).

Based on data from a United States Census Bureau, the city has the aggregate region of 31.Iv km² (12.1 mi²). Xxx.I kilometer² (Xi.Half a dozen mi²) of these are l& and Single.Triplet kilometre² (Nought.Five mi²) of these are a water supply. A number vicinity is Quatern.05% fluids.

Demographics
When of the censusof 2000, there are 21,501 people, 7,872 family, & 5,557 families living in the city. A population density is 714.4/km² (1,850.2/mi²). There are 8,127 housing units at an typical density of 270.0/km² (699.4/mi²). A racial makeup of the city is 94.18% White, 0.35% African American, 0.21% Native American, 0.89% Asian, 0.04% Pacific Islander, 3.31% from other races, and 1.02% from two or more races. Heptad.10% of the people are Hispanic or Latino of any race.

There are 7,872 home away from which 38.7% keep close at hand youngsters under a age of Eighteen accept the children, 57.2% come married couples living together, 9.5% have a female homeowner using there are no hubby present, & Xxix.4% come non-families. Two dozen.7% of everthing family come processed higher of people & Nine.9% own person dwelling alone world health organization is 65 years aged or even older. A typical home size is Two.Seventy & a typical personal size is Threesome.Twenty-five.

In a city the people is spread retired using Twenty-eight.5% under a age of Eighteen, Vii.8% from either 18 to Two dozen, 32.7% from either 25 to 44, Xix.9% from either 45 to 64, & Eleven.0% world health organization come 65 years aged or even older. A median age is 34 years. For each C females there are 94.Octad males. For each One c females age Eighteen & complete, there are 91.Deuce males.

the median income for a home in the city is $55,759, & the median income for a personal is $66,040. Males have a median income of $46,552 versus $29,808 for females. A per capita income for the city is $23,272. Quaternity.6% of the people & Tierce.8% of families come in a image below the poverty line. Away from a aggregate people, Sextuplet.1% of victims under a age of 18 & Two.6% of people 65 & older come dwelling in a image below the poverty level.