Philadelphia has Pennsylvania's highest county poverty rate

Pennsylvania has 67 counties and 12,986,518 residents, and 11.8 per cent of them live below the poverty line. The county with the highest poverty rate in the state is also its largest. Philadelphia County reports 22.0 per cent poverty across 1,582,432 residents, and no other county in Pennsylvania is poorer by rate. Its median household income, $60,698, sits 5 per cent below the middle county in the country.

The wealthiest counties are next door

The counties bordering Philadelphia are among the highest earning in the United States. Chester County reports a median household income of $123,041, which ranks 38th of the 3,142 counties in the 50 states, with poverty at 5.9 per cent. Bucks County ranks 69th at $111,951 and 6.1 per cent. Montgomery County ranks 70th at $111,521 and 6.5 per cent. Delaware County, also on the city boundary, reports $88,576 and 10.2 per cent. Three counties inside the national top 70 on income share a border with the poorest county by rate in their state.

What a metro figure averages away

Those five counties hold 4,206,741 residents between them, 32.4 per cent of the state. Treated as one area they report 12.7 per cent poverty, close to the Pennsylvania figure of 11.8 per cent and unremarkable next to the national county middle of 13.2 per cent. Inside that one figure sit a $62,343 spread in household income, from $60,698 to $123,041, and a poverty range of 16.1 percentage points. Philadelphia County alone accounts for 65.2 per cent of the residents in poverty across the five, and 22.7 per cent of everyone in poverty in Pennsylvania. A plan built on the area average is built on a number that describes none of the five counties.

The poorest counties are not the smallest ones

Pennsylvania has 23 counties with fewer than 50,000 residents. Their median poverty rate is 11.4 per cent, below the state's median county at 11.7 per cent, and not one of them reaches Philadelphia County's 22.0 per cent. Across the whole state, 17 of 67 counties report poverty above the national county middle. Allegheny County, the second largest at 1,240,476 residents, reports 11.2 per cent poverty on a median household income of $76,393. Poverty in Pennsylvania is concentrated in one dense place rather than spread thinly across the rural counties, which is the reverse of how state-level planning usually treats it.

Philadelphia in national terms

Of the 48 counties in the country with more than a million residents, Philadelphia County has the second highest poverty rate. That puts it in a small group of large, dense counties where a fifth or more of residents are below the poverty line, and it is the only one of those counties whose immediate neighbours include three of the national top 70 on income. Both facts belong to the same short drive.

What this changes for a plan

Pricing, media weight and product mix set at state or metro level land on all five of these counties equally. Set at county level they can follow the actual distribution: a premium tier that works in Chester and Montgomery, a value tier and different channels in Philadelphia, and a separate read for the rural counties that a rural assumption would have written off. The same applies to service design, opening hours, and payment options, all of which move with income rather than with geography.

Holding poverty rate, population, household income and the geography of the counties next door together, and keeping all four current, is the part that used to be slow and expensive. Working from one published state or metro average was a reasonable response to that cost. With the county figures side by side, an area that looked uniform separates into places that need different plans.

Cambium AI builds synthetic populations from this same public data, so a research or marketing team can see income and poverty for every county they cover before the budget is set. These figures come from the American Community Survey, the Census Bureau's annual household survey, which reports both for every county in the country.

Data source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates