Demographic Characteristics of Jefferson County, Montana
Total Population: 10,049
Jefferson County, Montana Age/Gender Statistics
 Male Population: 5,045 (50.20%) |
 Female Population: 5,004 (49.80%) |
||
| Under 5 years | 524 | 45 to 54 years: | 1,903 |
| 5 to 9 years: | 736 | 55 to 59 years: | 640 |
| 10 to 14 years: | 968 | 60 to 64 years: | 460 |
| 15 to 19 years: | 822 | 65 to 74 years: | 616 |
| 20 to 24 years: | 267 | 75 to 84 years: | 308 |
| 25 to 34 years: | 843 | 85 years and over: | 111 |
| 35 to 44 years: | 1,851 | ||
| Median Age: 40.2 | |||
Jefferson County, Montana Racial Statistics
One Race
9,882
White
9,654
Black or African American
14
American Indian and Alaska Native
127
Asian
42
Asian Indian
1
Chinese
7
Filipino
8
Japanese
5
Korean
19
Vietnamese
0
Other Asian
2
Native Hawaiian and Other Pacific Islander
7
Native Hawaiian
4
Guamanian or Chamorro
0
Samoan
0
Other Pacific Islander
3
Some other race
38
Two or more races
167
Jefferson County, Montana Hispanic Population Statistics
| Total Hispanic or Latino Population: 149 | |||
| Mexican | Puerto Rican | Cuban | Other |
| 94 | 2 | 0 | 53 |
Jefferson County, Montana Relationship Statistics
| In households: 9,828 (97.80%) | In group quarters: 221 (2.20%) | ||
| Householder | 3,747 | Institutionalized | 204 |
| Spouse | 2,515 | Noninstitutionalized | 17 |
| Child | 3,069 | ||
| Own child under 18 years | 2,597 | ||
| Other relatives | 199 | ||
| Under 18 years | 86 | ||
| Nonrelatives | 298 | ||
| Unmarried partner | 141 | ||