Population 90,560 · Census ACS 2020–24
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Population and households in Northumberland County
Household size in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 2.33 | 2.51 | 2.68 |
| 2010–14 | 2.31 | 2.53 | 2.73 |
| 2015–19 | 2.25 | 2.50 | 2.71 |
| 2020–24 | 2.36 | 2.46 | 2.65 |
| Change | +0.03 | −0.05 | −0.03 |
Northumberland County is a place of small households, averaging 2.36 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size is little changed from 2006–10, while the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 43.3 | 40.3 | 37.7 |
| 2010–14 | 43.9 | 41.0 | 38.6 |
| 2015–19 | 44.9 | 41.8 | 39.6 |
| 2020–24 | 45.1 | 42.0 | 40.1 |
| Change | +1.8 | +1.7 | +2.3 |
With a median age of 45.1, Northumberland County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 43.3, as it has nationally.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 10.5% | 12.3% |
| 2010–14 | 9.3% | 10.6% | 12.3% |
| 2015–19 | 10.0% | 10.5% | 11.6% |
| 2020–24 | 10.8% | 10.7% | 11.6% |
| Change | +0.7 pts | +0.2 pts | −0.6 pts |
Single-parent households are about as common in Northumberland County as they are nationally: 10.8%, against 11.6%. The single-parent share is up 0.7 points from 2006–10, even as the national share fell.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Northumberland County
Renters in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 27.6% | 29.0% | 33.3% |
| 2010–14 | 28.5% | 30.5% | 35.6% |
| 2015–19 | 29.2% | 31.1% | 36.0% |
| 2020–24 | 24.5% | 30.7% | 34.8% |
| Change | −3.1 pts | +1.7 pts | +1.5 pts |
Only 24.5% of households in Northumberland County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 50.0% have no mortgage at all, well above the national share of 39.8%. Rentals cluster in the northwest; owners are most common in the south. Since 2006–10, the renter share has fallen 3.1 points, even as the national share rose.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 12.6% | 10.3% | 11.4% |
| 2010–14 | 12.9% | 10.5% | 11.4% |
| 2015–19 | 13.8% | 10.7% | 11.1% |
| 2020–24 | 12.3% | 9.1% | 9.6% |
| Change | −0.3 pts | −1.2 pts | −1.8 pts |
A few more homes sit empty in Northumberland County than nationally: 12.3%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 1953 | 1963 | 1974 |
| 2010–14 | 1954 | 1964 | 1975 |
| 2015–19 | 1956 | 1965 | 1977 |
| 2020–24 | 1959 | 1967 | 1980 |
| Change | +6 | +4 | +6 |
Northumberland County is a place of older homes: half were built before 1959, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1953 in 2006–10, a sign of steady new building. The newest homes are mostly in the north, the oldest in the southeast.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | $558 | $829 | $965 |
| 2010–14 | $658 | $923 | $1,040 |
| 2015–19 | $695 | $1,039 | $1,213 |
| 2020–24 | $893 | $1,323 | $1,571 |
| Change | +$335 | +$494 | +$606 |
Rent in Northumberland County runs $893 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $335 a month since 2006–10, up 60%, roughly in step with the nation. Rent takes 27.6% of the typical renter's income, just under the 30% mark often used to define affordable rent. Rents run highest in the north and lowest in the south.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Northumberland County
Bachelor's degrees in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 13.6% | 27.2% | 28.4% |
| 2010–14 | 14.5% | 28.7% | 29.6% |
| 2015–19 | 16.8% | 31.8% | 32.1% |
| 2020–24 | 19.3% | 35.6% | 35.6% |
| Change | +5.6 pts | +8.3 pts | +7.2 pts |
College degrees are relatively uncommon in Northumberland County: 19.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. Since 2006–10, the share with a degree has risen 5.6 points, mirroring the country. College graduates are most concentrated in the north and least in the southeast.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 84.0% | 87.3% | 84.9% |
| 2010–14 | 85.7% | 88.8% | 86.1% |
| 2015–19 | 88.2% | 90.3% | 87.7% |
| 2020–24 | 90.2% | 91.8% | 89.3% |
| Change | +6.2 pts | +4.5 pts | +4.3 pts |
High school completion in Northumberland County is close to the national rate: 90.2% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Pennsylvania overall (91.8%). The share with a diploma is up 6.2 points from 2006–10, mirroring the country.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Northumberland County
| Period | Northumberland County | Pennsylvania | U.S. |
|---|---|---|---|
| 2006–10 | 7.7% | 7.5% | 8.1% |
| 2010–14 | 8.7% | 8.8% | 9.4% |
| 2015–19 | 4.9% | 5.5% | 5.6% |
| 2020–24 | 3.8% | 5.4% | 5.4% |
| Change | −3.9 pts | −2.1 pts | −2.7 pts |
Unemployment in Northumberland County runs below the national rate: 3.8% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 3.9 points since 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Northumberland County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Northumberland County | 2.36 | 45.1 | 10.8% | 24.5% | 12.3% | 1959 | $893 | 19.3% | 90.2% | 3.8% |
| Montour County | 2.26 | 42.7 | 9.8% | 31.5% | 4.0% | 1974 | $1,114 | 38.6% | 93.8% | 3.0% |
| Union County | 2.46 | 43.6 | 13.9% | 27.7% | 11.1% | 1970 | $1,058 | 32.5% | 88.1% | 2.0% |
| Snyder County | 2.55 | 42.1 | 7.4% | 24.4% | 9.3% | 1976 | $931 | 20.7% | 84.5% | 2.4% |
| Schuylkill County | 2.40 | 43.8 | 12.3% | 23.9% | 13.4% | 1954 | $889 | 19.5% | 90.1% | 5.5% |
| Carbon County | 2.40 | 45.9 | 12.8% | 23.6% | 16.9% | 1965 | $1,079 | 19.0% | 90.7% | 7.7% |
| Centre County | 2.34 | 37.8 | 5.5% | 38.2% | 11.5% | 1979 | $1,210 | 52.3% | 94.9% | 4.9% |
| Warren County | 2.45 | 44.5 | 8.3% | 24.9% | 4.1% | 1970 | $1,595 | 36.9% | 93.9% | 5.0% |
| Clearfield County | 2.30 | 46.4 | 8.4% | 21.5% | 14.7% | 1968 | $821 | 21.6% | 91.1% | 5.4% |
| Morris County | 2.71 | 43.4 | 6.0% | 25.7% | 4.3% | 1971 | $2,157 | 58.3% | 95.0% | 5.0% |
| Essex County | 2.75 | 38.5 | 16.2% | 55.1% | 6.4% | 1960 | $1,796 | 38.7% | 86.3% | 8.9% |
All figures 2020–24.
Counties with similar populations: Arecibo Municipio, PR · Wood County, WV · Wayne County, NY · Walton County, GA · Victoria County, TX · Twin Falls County, ID · Tuscarawas County, OH · St. Landry Parish, LA · Lapeer County, MI · Jefferson County, WI
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Northumberland County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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