Northumberland County, Pennsylvania
Located in Pennsylvania, Northumberland County has a population of 90,560 residents and a median age of 44.5 years, making it the #668 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.6%. The median home value is $162,400, and the median household income is $60,583, which is 19% below the national median.
Demographics
Northumberland County has a population of 90,560, making it the #668 most populous county in the US. The median age is 44.5 years, which is 14.4% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Northumberland County is $60,583, ranking #2,034 out of 3,222 counties — 19.4% below the national median. The poverty rate is 12.6% and unemployment stands at 3.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Northumberland County is $162,400 (-42.4% vs national). Renters pay a median of $806/mo and the homeownership rate is 75.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Northumberland County, 19.4% of adults age 25+ hold a bachelor's degree or higher, which is 42.5% below the national average, ranking #2,113 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Northumberland County is 75.6 years. 19.1% of adults report poor or fair health and 6.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.2% of adults in Northumberland County smoke , 37.7% are obese , and 22.2% report excessive drinking. The drug overdose death rate is 42.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Northumberland County is 4.5 per 100,000 and the suicide rate is 15.6 per 100,000. Motor vehicle deaths occur at a rate of 11.3 per 100,000.
Homicide Rate Trend
Families & Children
15.8% of children in Northumberland County live in poverty and the infant mortality rate is 5.7 per 1,000 live births. The teen birth rate is 21.2 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Northumberland County is 58.0%. The mean commute time is 26.9 min, which is 2.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Northumberland County voted Republican with a margin of 39.9%. The vote was 29.6% Dem / 69.5% Rep. Compared to 2020, the margin shifted 1.4 toward Republicans .
Vote Share Over Time
About Northumberland County, Pennsylvania
Northumberland County, Pennsylvania has a total population of 90,560, making it the 668th most populous county in the United States. The median age in Northumberland County is 44.5 years, which is 14.4% above the national median of 38.9 years.
The median household income in Northumberland County is $60,583, which ranks #2,034 of 3,222 counties nationwide. This is 19.4% below the national median of $75,149. The poverty rate is 12.6%, lower than the national rate of 12.6%. The unemployment rate stands at 3.7%.
The median home value in Northumberland County is $162,400, 42.4% below the national median. Renters in Northumberland County pay a median gross rent of $806 per month. The homeownership rate is 75.5%, compared to the national rate of 64.4%.
In Northumberland County, 19.4% of residents aged 25 and older hold a bachelor's degree or higher, 42.5% below the national average of 33.7%. Health insurance coverage stands at 94.9% of the population. The average commute time for workers is 26.9 min.
Northumberland County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.7% of the population, followed by Hispanic or Latino (5.2%) and Two or More Races (2.6%).
All data for Northumberland County, Pennsylvania comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.