Demographic Characteristics of Grundy County, Illinois
Total Population: 37,535
Grundy County, Illinois Age/Gender Statistics
 Male Population: 18,662 (49.72%) |
 Female Population: 18,873 (50.28%) |
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| Under 5 years | 2,493 | 45 to 54 years: | 5,174 |
| 5 to 9 years: | 2,751 | 55 to 59 years: | 1,844 |
| 10 to 14 years: | 2,928 | 60 to 64 years: | 1,437 |
| 15 to 19 years: | 2,843 | 65 to 74 years: | 2,292 |
| 20 to 24 years: | 2,113 | 75 to 84 years: | 1,698 |
| 25 to 34 years: | 4,912 | 85 years and over: | 617 |
| 35 to 44 years: | 6,433 | ||
| Median Age: 36.3 | |||
Grundy County, Illinois Racial Statistics
One Race
37,208
White
36,442
Black or African American
71
American Indian and Alaska Native
90
Asian
114
Asian Indian
22
Chinese
17
Filipino
29
Japanese
5
Korean
18
Vietnamese
8
Other Asian
15
Native Hawaiian and Other Pacific Islander
4
Native Hawaiian
0
Guamanian or Chamorro
0
Samoan
4
Other Pacific Islander
0
Some other race
487
Two or more races
327
Grundy County, Illinois Hispanic Population Statistics
| Total Hispanic or Latino Population: 1,552 | |||
| Mexican | Puerto Rican | Cuban | Other |
| 1,302 | 60 | 16 | 174 |
Grundy County, Illinois Relationship Statistics
| In households: 37,188 (99.08%) | In group quarters: 347 (0.92%) | ||
| Householder | 14,293 | Institutionalized | 334 |
| Spouse | 8,514 | Noninstitutionalized | 13 |
| Child | 11,897 | ||
| Own child under 18 years | 9,352 | ||
| Other relatives | 1,072 | ||
| Under 18 years | 435 | ||
| Nonrelatives | 1,412 | ||
| Unmarried partner | 734 | ||