Population by Age in Northumberland County
*Base on 2010 Data
| Total population | 12,330 | 100.00% |
| Under 5 years | 525 | 4.26% |
| 5 to 9 years | 561 | 4.55% |
| 10 to 14 years | 589 | 4.78% |
| 15 to 19 years | 591 | 4.79% |
| 20 to 24 years | 492 | 3.99% |
| 25 to 29 years | 467 | 3.79% |
| 30 to 34 years | 432 | 3.50% |
| 35 to 39 years | 431 | 3.50% |
| 40 to 44 years | 589 | 4.78% |
| 45 to 49 years | 815 | 6.61% |
| 50 to 54 years | 941 | 7.63% |
| 55 to 59 years | 963 | 7.81% |
| 60 to 64 years | 1,221 | 9.90% |
| 65 to 69 years | 1,233 | 10.00% |
| 70 to 74 years | 942 | 7.64% |
| 75 to 79 years | 687 | 5.57% |
| 80 to 84 years | 497 | 4.03% |
| 85 years and over | 354 | 2.87% |
Male Population in Northumberland County
*Base on 2010 Data
| Male population | 6,009 | 48.73% |
| Under 5 years | 276 | 2.24% |
| 5 to 9 years | 301 | 2.44% |
| 10 to 14 years | 319 | 2.59% |
| 15 to 19 years | 321 | 2.60% |
| 20 to 24 years | 254 | 2.06% |
| 25 to 29 years | 219 | 1.78% |
| 30 to 34 years | 217 | 1.76% |
| 35 to 39 years | 209 | 1.70% |
| 40 to 44 years | 269 | 2.18% |
| 45 to 49 years | 379 | 3.07% |
| 50 to 54 years | 472 | 3.83% |
| 55 to 59 years | 433 | 3.51% |
| 60 to 64 years | 552 | 4.48% |
| 65 to 69 years | 593 | 4.81% |
| 70 to 74 years | 487 | 3.95% |
| 75 to 79 years | 346 | 2.81% |
| 80 to 84 years | 220 | 1.78% |
| 85 years and over | 142 | 1.15% |
Female Population in Northumberland County
*Base on 2010 Data
| Female population | 6,321 | 51.27% |
| Under 5 years | 249 | 2.02% |
| 5 to 9 years | 260 | 2.11% |
| 10 to 14 years | 270 | 2.19% |
| 15 to 19 years | 270 | 2.19% |
| 20 to 24 years | 238 | 1.93% |
| 25 to 29 years | 248 | 2.01% |
| 30 to 34 years | 215 | 1.74% |
| 35 to 39 years | 222 | 1.80% |
| 40 to 44 years | 320 | 2.60% |
| 45 to 49 years | 436 | 3.54% |
| 50 to 54 years | 469 | 3.80% |
| 55 to 59 years | 530 | 4.30% |
| 60 to 64 years | 669 | 5.43% |
| 65 to 69 years | 640 | 5.19% |
| 70 to 74 years | 455 | 3.69% |
| 75 to 79 years | 341 | 2.77% |
| 80 to 84 years | 277 | 2.25% |
| 85 years and over | 212 | 1.72% |
Median Age in Northumberland County
*Base on 2010 Data
| Both | 53.60% | |
| Male | 52.50% | |
| Female | 54.60% |
Race in Northumberland County
*Base on 2010 Data
| Total | 12,330 | 100.00% |
| Population of one race | 12,180 | 98.78% |
| White | 8,801 | 71.38% |
| Black or African American | 3,123 | 25.33% |
| American Indian and Alaska Native | 21 | 0.17% |
| Asian | 37 | 0.30% |
| Asian Indian | 11 | 0.09% |
| Chinese | 13 | 0.11% |
| Filipino | 4 | 0.03% |
| Japanese | 2 | 0.02% |
| Korean | 4 | 0.03% |
| Vietnamese | 3 | 0.02% |
| Other Asian | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander | 2 | 0.02% |
| Native Hawaiian | 2 | 0.02% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 196 | 1.59% |
| Population of Two or More Races | 150 | 1.22% |
| White; American Indian and Alaska Native | 43 | 0.35% |
| White; Asian | 1 | 0.01% |
| White; Black or African American | 52 | 0.42% |
| White; Some Other Race | 10 | 0.08% |
The Population 16 Years in Northumberland County
*Base on 2010 Data
| Total | 10,536 | 100.00% |
| Male | 5,047 | 47.90% |
| Female | 5,489 | 52.10% |
The Population 18 Years in Northumberland County
*Base on 2010 Data
| Total | 10,309 | 100.00% |
| Male | 4,916 | 47.69% |
| Female | 5,393 | 52.31% |
The Population 21 Years in Northumberland County
*Base on 2010 Data
| Total | 9,944 | 100.00% |
| Male | 4,723 | 47.50% |
| Female | 5,221 | 52.50% |
The Population 62 Years in Northumberland County
*Base on 2010 Data
| Total | 4,502 | 100.00% |
| Male | 2,143 | 47.60% |
| Female | 2,359 | 52.40% |
The Population 65 Years in Northumberland County
*Base on 2010 Data
| Total | 3,713 | 100.00% |
| Male | 1,788 | 48.16% |
| Female | 1,925 | 51.84% |
Race (total races tallied) in Northumberland County
*Base on 2010 Data
| White alone or in combination with one or more other races | 8,930 | 71.43% |
| Black or African American alone or in combination with one or more other races | 3,213 | 25.70% |
| American Indian and Alaska Native alone or in combination with one or more other races | 98 | 0.78% |
| Asian alone or in combination with one or more other races | 41 | 0.33% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 6 | 0.05% |
| Some Other Race alone or in combination with one or more other races | 213 | 1.70% |
Hispanic or Latino by Specific Origin in Northumberland County
*Base on 2010 Data
| Total | 12,330 | 100.00% |
| Hispanic or Latino (of any race) | 382 | 3.10% |
| Mexican | 278 | 2.25% |
| Puerto Rican | 25 | 0.20% |
| Cuban | 4 | 0.03% |
| Other Hispanic or Latino | 75 | 0.61% |
| Not Hispanic or Latino | 11,948 | 96.90% |
Hispanic or Latino and Race in Northumberland County
*Base on 2010 Data
| Total | 12,330 | 100.00% |
| Hispanic or Latino | 382 | 3.10% |
| White alone | 163 | 1.32% |
| Black or African American alone | 17 | 0.14% |
| American Indian and Alaska Native alone | 1 | 0.01% |
| Asian alone | 1 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 189 | 1.53% |
| Two or More Races | 11 | 0.09% |
| Not Hispanic or Latino | 11,948 | 96.90% |
| White alone | 8,638 | 70.06% |
| Black or African American alone | 3,106 | 25.19% |
| American Indian and Alaska Native alone | 20 | 0.16% |
| Asian alone | 36 | 0.29% |
| Native Hawaiian and Other Pacific Islander alone | 2 | 0.02% |
| Some Other Race alone | 7 | 0.06% |
| Two or More Races | 139 | 1.13% |
Relationship in Northumberland County
*Base on 2010 Data
| Total | 12,330 | 100.00% |
| In households | 12,330 | 100.00% |
| Householder | 5,540 | 44.93% |
| Spouse | 3,009 | 24.40% |
| Child | 2,458 | 19.94% |
| Own child under 18 years | 1,628 | 13.20% |
| Other relatives | 822 | 6.67% |
| Under 18 years | 353 | 2.86% |
| 65 years and over | 134 | 1.09% |
| Nonrelatives | 501 | 4.06% |
| Under 18 years | 40 | 0.32% |
| 65 years and over | 59 | 0.48% |
| Unmarried partner | 293 | 2.38% |
| In group quarters | 0 | 0.00% |
| Institutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
| Noninstitutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
Households by Type in Northumberland County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 5,540 | 100.00% |
| Family households (families) | 3,756 | 67.80% |
| With own children under 18 years | 915 | 16.52% |
| Husband-wife family | 3,009 | 54.31% |
| With own children under 18 years | 584 | 10.54% |
| Male householder, no wife present | 197 | 3.56% |
| With own children under 18 years | 77 | 1.39% |
| Female householder, no husband present | 550 | 9.93% |
| With own children under 18 years | 254 | 4.58% |
| Nonfamily households | 1,784 | 32.20% |
| Householder living alone | 1,516 | 27.36% |
| Male | 670 | 12.09% |
| 65 years and over | 267 | 4.82% |
| Female | 846 | 15.27% |
| 65 years and over | 541 | 9.77% |
Households with individuals under 18 years in Northumberland County
*Base on 2010 Data
| Total | 1,120 | 20.22% |
Households with individuals under 65 years in Northumberland County
*Base on 2010 Data
| Total | 2,595 | 46.84% |
Average Household Size in Northumberland County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Northumberland County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Northumberland County
*Base on 2010 Data
| Total | 8,995 | 100.00% |
| Occupied housing units | 5,540 | 61.59% |
| Vacant housing units | 3,455 | 38.41% |
| For rent | 77 | 0.86% |
| Rented, not occupied | 16 | 0.18% |
| For sale only | 200 | 2.22% |
| Sold, not occupied | 44 | 0.49% |
| For seasonal, recreational, or occasional use | 2,608 | 28.99% |
| All other vacants | 510 | 5.67% |
Homeowner Vacancy Rate in Northumberland County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 4.10% |
Rental Vacancy Rate in Northumberland County
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.50% |
Housing Tenure(Occupied housing units) in Northumberland County
*Base on 2010 Data
| Total | 5,540 | 100.00% |
| Owner-occupied housing units | 4,613 | 83.27% |
| Renter-occupied housing units | 927 | 16.73% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Northumberland County
*Base on 2010 Data
| Owner-occupied housing units | 10,075 | 81.71% |
| Renter-occupied housing units | 2,255 | 18.29% |
Average Household Size of Occupied Housing Units by Tenure in Northumberland County
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |