Dauphin County PA Information


Dauphin County Subdivisions

Dauphin County PA Data & Demographics (As of July 1, 2020)


Total Population 280,234 (100%)
Population in Households 273,454 (97.6%)
Population in Families 211,495 (75.5%)
Population in Group Quarters1 6,780 ( 2.4%)
Population Density 534
Diversity Index2 60


Median Household Income $57,939
Average Household Income $83,957
% of Income for Mortgage4 13%
Per Capita Income $35,143
Wealth Index5 95


Total HU (Housing Units) 127,667 (100%)
Owner Occupied HU 72,232 (56.6%)
Renter Occupied HU 44,454 (34.8%)
Vacant Housing Units 10,981 ( 8.6%)
Median Home Value $177,589
Average Home Value $215,463
Housing Affordability Index3 157


Total Households 116,686
Average Household Size 2.34
Family Households 71,316
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.43% 0.4%
Households 0.54% 0.47%
Families 0.38% 0.36%
Median Household Income   1.26%
Per Capita Income   2.01%
Owner Occupied HU   0.38%


Dauphin County PA - Peer Comparisons by Rank and Percentile

The table below compares Dauphin County to the other 67 counties and county equivalents in Pennsylvania by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 14 81st
Population Density # 10 87th
Median Household Income # 21 70th
Housing Affordability Index # 19 28th
Per Capita Income # 10 87th
Diversity Index # 5 94th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.

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