McHenry County, Illinois demographics

Population: 310,749
Median age: 40.4

Median household income: 93,801

Demographics, population, home values, social and economic characteristics of McHenry County, Illinois.

Population

2021310,749
2020307,291
2019307,714
2018307,789
2017308,043
2016307,083
2015307,357
2014307,888
2013308,060
2012308,163
2011307,721
2010306,050
2009312,946

McHenry County, IL cities

Algonquin village - 29,869

Barrington Hills village - 4,236

Bull Valley village - 1,250

Cary village - 17,919

Chemung CDP - 791

Crystal Lake city - 40,082

Fox Lake village - 10,945

Fox River Grove village - 4,710

Greenwood village - 427

Harvard city - 9,482

Hebron village - 1,540

Holiday Hills village - 650

Huntley village - 27,314

Island Lake village - 8,057

Johnsburg village - 6,399

Lake in the Hills village - 29,024

Lakemoor village - 5,816

Lakewood village - 4,489

Marengo city - 7,466

McCullom Lake village - 1,054

McHenry city - 27,237

Oakwood Hills village - 2,714

Pistakee Highlands CDP - 3,372

Port Barrington village - 1,686

Prairie Grove village - 1,928

Richmond village - 2,263

Ringwood village - 713

Spring Grove village - 5,713

Trout Valley village - 542

Union village - 630

Wonder Lake village - 4,032

Woodstock city - 25,829

Census data for McHenry County, Illinois

Demographic and housing estimates in McHenry County, Illinois

Total population
Total population310,749
Male155,410
Female155,339
Population by age
Total population310,749
Under 5 years16,737
5 to 9 years19,647
10 to 14 years22,147
15 to 19 years22,003
20 to 24 years18,035
25 to 34 years35,097
35 to 44 years39,793
45 to 54 years45,542
55 to 59 years25,139
60 to 64 years20,572
65 to 74 years28,732
75 to 84 years12,141
85 years and over5,164
Median age (years)40.4
Under 18 years72,908
16 years and over247,186
18 years and over237,841
21 years and over227,147
62 years and over58,086
65 years and over46,037
Population by race
Total population310,749
One race294,636
   White275,551
   Black or African American4,737
   American Indian and Alaska Native476
   Asian8,440
   Native Hawaiian and Other Pacific Islander5
   Some other race5,427
Two or more races16,113
Citizen, voting age population
Citizen, VOTING AGE 18 and over population225,434
Male Citizen, VOTING AGE 18 and over population111,900
Female Citizen, VOTING AGE 18 and over population113,534

Social characteristics in McHenry County, Illinois

Households by type
Total households114,446
Family households (families)68,830
Married-couple family7,380
Male householder, no wife present, family15,398
Female householder, no husband present, family10,700
Nonfamily households22,838
Average household size33,081
Average family size2.70

Economic characteristics in McHenry County, Illinois

Income and benefits (in inflation-adjusted dollars)
Total households114,446
Less than $10,0003,407
$10,000 to $14,9992,108
$15,000 to $24,9994,997
$25,000 to $34,9996,117
$35,000 to $49,99910,462
$50,000 to $74,99917,745
$75,000 to $99,99916,053
$100,000 to $149,99925,291
$150,000 to $199,99914,011
$200,000 or more14,255
Median household income (dollars)93,801

Housing characteristics in McHenry County, Illinois

Housing occupancy
Total housing units119,465
Occupied housing units114,446
Vacant housing units5,019
Units in structure
Total housing units119,465
1-unit, detached92,343
1-unit, attached12,222
2 units1,865
3 or 4 units2,921
5 to 9 units4,652
10 to 19 units1,993
20 or more units2,606
Mobile home817
Boat, RV, van, etc.46
Year structure built
Total housing units119,465
Built 2014 or later78
Built 2010 to 20134,062
Built 2000 to 200925,576
Built 1990 to 199928,243
Built 1980 to 198914,918
Built 1970 to 197915,981
Built 1960 to 19698,476
Built 1950 to 19599,891
Built 1940 to 19492,862
Built 1939 or earlier9,378
Rooms
Total housing units119,465
1 room880
2 rooms1,503
3 rooms4,271
4 rooms11,494
5 rooms20,265
6 rooms19,246
7 rooms17,942
8 rooms16,522
9 rooms or more27,342
Median rooms6.6
Bedrooms
Total housing units119,465
No bedroom937
1 bedroom5,649
2 bedrooms26,080
3 bedrooms47,947
4 bedrooms32,124
5 or more bedrooms6,728
Housing tenure
Occupied housing units114,446
Owner-occupied93,244
Renter-occupied21,202
Average household size of owner-occupied unit2.75
Average household size of renter-occupied unit2.46
Year householder moved into unit
Occupied housing units114,446
Moved in 2017 or later8,379
Moved in 2015 to 201630,012
Moved in 2010 to 201416,906
Moved in 2000 to 200930,889
Moved in 1990 to 199917,768
Moved in 1989 and earlier10,492
Value
Owner-occupied units93,244
Less than $50,0001,926
$50,000 to $99,9993,249
$100,000 to $149,9999,312
$150,000 to $199,99918,122
$200,000 to $299,99933,097
$300,000 to $499,99923,636
$500,000 to $999,9993,407
$1,000,000 or more495
Median (dollars)241,500
Mortgage status
Owner-occupied units93,244
Housing units with a mortgage66,388
Housing units without a mortgage26,856
Gross rent
Occupied units paying rent20,310
Less than $5001,055
$500 to $9994,583
$1,000 to $1,4997,693
$1,500 to $1,9995,158
$2,000 to $2,4991,268
$2,500 to $2,999166
$3,000 or more387
Median (dollars)1,253
No rent paid892

Demographic data for McHenry County, IL and each city in the county. Lists of cities by population, wealth and poverty in McHenry County, IL.

Links

US demographics

Illinois demographics

Mason County

Massac County

McDonough County

McLean County

Menard County

Mercer County