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Population by Age in Merrimack County
*Base on 2010 Data
| Total population | 146,445 | 100.00% |
| Under 5 years | 7,562 | 5.16% |
| 5 to 9 years | 8,601 | 5.87% |
| 10 to 14 years | 9,446 | 6.45% |
| 15 to 19 years | 10,630 | 7.26% |
| 20 to 24 years | 8,762 | 5.98% |
| 25 to 29 years | 8,225 | 5.62% |
| 30 to 34 years | 7,936 | 5.42% |
| 35 to 39 years | 9,143 | 6.24% |
| 40 to 44 years | 10,698 | 7.31% |
| 45 to 49 years | 12,506 | 8.54% |
| 50 to 54 years | 12,764 | 8.72% |
| 55 to 59 years | 11,135 | 7.60% |
| 60 to 64 years | 9,029 | 6.17% |
| 65 to 69 years | 6,177 | 4.22% |
| 70 to 74 years | 4,290 | 2.93% |
| 75 to 79 years | 3,554 | 2.43% |
| 80 to 84 years | 2,846 | 1.94% |
| 85 years and over | 3,141 | 2.14% |
Male Population in Merrimack County
*Base on 2010 Data
| Male population | 72,073 | 49.22% |
| Under 5 years | 3,878 | 2.65% |
| 5 to 9 years | 4,338 | 2.96% |
| 10 to 14 years | 4,982 | 3.40% |
| 15 to 19 years | 5,345 | 3.65% |
| 20 to 24 years | 4,465 | 3.05% |
| 25 to 29 years | 4,235 | 2.89% |
| 30 to 34 years | 3,969 | 2.71% |
| 35 to 39 years | 4,569 | 3.12% |
| 40 to 44 years | 5,330 | 3.64% |
| 45 to 49 years | 6,177 | 4.22% |
| 50 to 54 years | 6,280 | 4.29% |
| 55 to 59 years | 5,481 | 3.74% |
| 60 to 64 years | 4,441 | 3.03% |
| 65 to 69 years | 2,994 | 2.04% |
| 70 to 74 years | 2,000 | 1.37% |
| 75 to 79 years | 1,539 | 1.05% |
| 80 to 84 years | 1,094 | 0.75% |
| 85 years and over | 956 | 0.65% |
Female Population in Merrimack County
*Base on 2010 Data
| Female population | 74,372 | 50.78% |
| Under 5 years | 3,684 | 2.52% |
| 5 to 9 years | 4,263 | 2.91% |
| 10 to 14 years | 4,464 | 3.05% |
| 15 to 19 years | 5,285 | 3.61% |
| 20 to 24 years | 4,297 | 2.93% |
| 25 to 29 years | 3,990 | 2.72% |
| 30 to 34 years | 3,967 | 2.71% |
| 35 to 39 years | 4,574 | 3.12% |
| 40 to 44 years | 5,368 | 3.67% |
| 45 to 49 years | 6,329 | 4.32% |
| 50 to 54 years | 6,484 | 4.43% |
| 55 to 59 years | 5,654 | 3.86% |
| 60 to 64 years | 4,588 | 3.13% |
| 65 to 69 years | 3,183 | 2.17% |
| 70 to 74 years | 2,290 | 1.56% |
| 75 to 79 years | 2,015 | 1.38% |
| 80 to 84 years | 1,752 | 1.20% |
| 85 years and over | 2,185 | 1.49% |
Median Age in Merrimack County
*Base on 2010 Data
| Both | 41.40% | |
| Male | 40.20% | |
| Female | 42.50% |
Race in Merrimack County
*Base on 2010 Data
| Total | 146,445 | 100.00% |
| Population of one race | 144,380 | 98.59% |
| White | 139,609 | 95.33% |
| Black or African American | 1,530 | 1.04% |
| American Indian and Alaska Native | 391 | 0.27% |
| Asian | 2,325 | 1.59% |
| Asian Indian | 459 | 0.31% |
| Chinese | 439 | 0.30% |
| Filipino | 283 | 0.19% |
| Japanese | 54 | 0.04% |
| Korean | 239 | 0.16% |
| Vietnamese | 92 | 0.06% |
| Other Asian | 759 | 0.52% |
| Native Hawaiian and Other Pacific Islander | 41 | 0.03% |
| Native Hawaiian | 11 | 0.01% |
| Guamanian or Chamorro | 7 | 0.00% |
| Samoan | 3 | 0.00% |
| Other Pacific Islander | 20 | 0.01% |
| Some Other Race | 484 | 0.33% |
| Population of Two or More Races | 2,065 | 1.41% |
| White; American Indian and Alaska Native | 738 | 0.50% |
| White; Asian | 426 | 0.29% |
| White; Black or African American | 436 | 0.30% |
| White; Some Other Race | 177 | 0.12% |
The Population 16 Years in Merrimack County
*Base on 2010 Data
| Total | 118,745 | 100.00% |
| Male | 57,825 | 48.70% |
| Female | 60,920 | 51.30% |
The Population 18 Years in Merrimack County
*Base on 2010 Data
| Total | 114,499 | 100.00% |
| Male | 55,664 | 48.62% |
| Female | 58,835 | 51.38% |
The Population 21 Years in Merrimack County
*Base on 2010 Data
| Total | 108,305 | 100.00% |
| Male | 52,568 | 48.54% |
| Female | 55,737 | 51.46% |
The Population 62 Years in Merrimack County
*Base on 2010 Data
| Total | 25,143 | 100.00% |
| Male | 11,122 | 44.23% |
| Female | 14,021 | 55.77% |
The Population 65 Years in Merrimack County
*Base on 2010 Data
| Total | 20,008 | 100.00% |
| Male | 8,583 | 42.90% |
| Female | 11,425 | 57.10% |
Race (total races tallied) in Merrimack County
*Base on 2010 Data
| White alone or in combination with one or more other races | 141,533 | 95.21% |
| Black or African American alone or in combination with one or more other races | 2,125 | 1.43% |
| American Indian and Alaska Native alone or in combination with one or more other races | 1,268 | 0.85% |
| Asian alone or in combination with one or more other races | 2,860 | 1.92% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 117 | 0.08% |
| Some Other Race alone or in combination with one or more other races | 746 | 0.50% |
Hispanic or Latino by Specific Origin in Merrimack County
*Base on 2010 Data
| Total | 146,445 | 100.00% |
| Hispanic or Latino (of any race) | 2,339 | 1.60% |
| Mexican | 505 | 0.34% |
| Puerto Rican | 780 | 0.53% |
| Cuban | 116 | 0.08% |
| Other Hispanic or Latino | 938 | 0.64% |
| Not Hispanic or Latino | 144,106 | 98.40% |
Hispanic or Latino and Race in Merrimack County
*Base on 2010 Data
| Total | 146,445 | 100.00% |
| Hispanic or Latino | 2,339 | 1.60% |
| White alone | 1,561 | 1.07% |
| Black or African American alone | 78 | 0.05% |
| American Indian and Alaska Native alone | 36 | 0.02% |
| Asian alone | 18 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 1 | 0.00% |
| Some Other Race alone | 380 | 0.26% |
| Two or More Races | 265 | 0.18% |
| Not Hispanic or Latino | 144,106 | 98.40% |
| White alone | 138,048 | 94.27% |
| Black or African American alone | 1,452 | 0.99% |
| American Indian and Alaska Native alone | 355 | 0.24% |
| Asian alone | 2,307 | 1.58% |
| Native Hawaiian and Other Pacific Islander alone | 40 | 0.03% |
| Some Other Race alone | 104 | 0.07% |
| Two or More Races | 1,800 | 1.23% |
Relationship in Merrimack County
*Base on 2010 Data
| Total | 146,445 | 100.00% |
| In households | 140,110 | 95.67% |
| Householder | 57,069 | 38.97% |
| Spouse | 29,923 | 20.43% |
| Child | 38,562 | 26.33% |
| Own child under 18 years | 28,992 | 19.80% |
| Other relatives | 5,417 | 3.70% |
| Under 18 years | 2,013 | 1.37% |
| 65 years and over | 1,151 | 0.79% |
| Nonrelatives | 9,139 | 6.24% |
| Under 18 years | 698 | 0.48% |
| 65 years and over | 461 | 0.31% |
| Unmarried partner | 4,882 | 3.33% |
| In group quarters | 6,335 | 4.33% |
| Institutionalized population | 3,155 | 2.15% |
| Male | 2,285 | 1.56% |
| Female | 870 | 0.59% |
| Noninstitutionalized population | 3,180 | 2.17% |
| Male | 1,427 | 0.97% |
| Female | 1,753 | 1.20% |
Households by Type in Merrimack County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 57,069 | 100.00% |
| Family households (families) | 38,104 | 66.77% |
| With own children under 18 years | 16,367 | 28.68% |
| Husband-wife family | 29,923 | 52.43% |
| With own children under 18 years | 11,652 | 20.42% |
| Male householder, no wife present | 2,545 | 4.46% |
| With own children under 18 years | 1,449 | 2.54% |
| Female householder, no husband present | 5,636 | 9.88% |
| With own children under 18 years | 3,266 | 5.72% |
| Nonfamily households | 18,965 | 33.23% |
| Householder living alone | 14,489 | 25.39% |
| Male | 6,084 | 10.66% |
| 65 years and over | 1,445 | 2.53% |
| Female | 8,405 | 14.73% |
| 65 years and over | 4,006 | 7.02% |
Households with individuals under 18 years in Merrimack County
*Base on 2010 Data
| Total | 17,856 | 31.29% |
Households with individuals under 65 years in Merrimack County
*Base on 2010 Data
| Total | 14,010 | 24.55% |
Average Household Size in Merrimack County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Merrimack County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Merrimack County
*Base on 2010 Data
| Total | 63,541 | 100.00% |
| Occupied housing units | 57,069 | 89.81% |
| Vacant housing units | 6,472 | 10.19% |
| For rent | 1,411 | 2.22% |
| Rented, not occupied | 71 | 0.11% |
| For sale only | 803 | 1.26% |
| Sold, not occupied | 161 | 0.25% |
| For seasonal, recreational, or occasional use | 3,109 | 4.89% |
| All other vacants | 917 | 1.44% |
Homeowner Vacancy Rate in Merrimack County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.90% |
Rental Vacancy Rate in Merrimack County
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.90% |
Housing Tenure(Occupied housing units) in Merrimack County
*Base on 2010 Data
| Total | 57,069 | 100.00% |
| Owner-occupied housing units | 40,686 | 71.29% |
| Renter-occupied housing units | 16,383 | 28.71% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Merrimack County
*Base on 2010 Data
| Owner-occupied housing units | 105,788 | 75.50% |
| Renter-occupied housing units | 34,322 | 24.50% |
Average Household Size of Occupied Housing Units by Tenure in Merrimack County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |