Chester County, Pennsylvania Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Chester County, PA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above averageAmong the top 3 healthiest counties in Pennsylvania
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A
Income Above averageWealthiest county in Pennsylvania
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A+
Education Top gradeBest educated county in Pennsylvania
Source: Map AI Methodology
Population: density and quick facts
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Population | 543,223 | 13,004,688 | 337,468,954 |
| Population density (per sq mi) | 716.0 | 282.1 | 86.4 |
| Population growth (%/yr) | 0.74% | 0.21% | 0.59% |
| Median age | 41.6 | 41.6 | 37.3 |
| Households | 204,770 | 5,268,760 | 130,235,071 |
Population in Chester County grew by 11.7% from 2009 to 2024, reaching 543,223 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Chester County is Gen X, aged 45–60, at 22.0% of residents. That is 1.4 points above Pennsylvania as a whole.
- Gen Z 13–28 110,650 20.4% +0.2 pts
- Millennials 29–44 113,529 20.9% -0.1 pts
- Gen X 45–60 119,404 22.0% +1.4 pts
- Boomers 61–79 92,707 17.1% -2.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Pennsylvania, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.4% of the people living in Chester County and men 49.6%.
- Women 50.4% Pennsylvania 50.8%
- Men 49.6% Pennsylvania 49.2%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Chester County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Chester County has a the economy index of A, which means it is very prosperous.
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median household income | $127,033 | $78,249 | $80,455 |
| Income growth (%/yr) | 4.49% | 4.43% | 4.80% |
| Unemployment rate | 3.8% | 5.2% | 5.2% |
The median household income in Chester County is about 62% higher than in Pennsylvania.
Housing
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median home price | $226,626 | $152,469 | $248,835 |
| Median rent | $1,763 | $1,208 | $1,407 |
| Homeownership rate | 75.1% | 69.3% | 65.2% |
The median home price in Chester County is about 10.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,763 per month for that long.
Commute Time & Mobility
Commuters in Chester County spend about 47 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 194 hours, about 8.1 full days, spent commuting.
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.3 | 22.4 | 22.4 |
| Round-trip commute (min) | 46.6 | 44.7 | 44.8 |
| Yearly time spent (hours) | 194 | 186 | 187 |
| Estimated yearly cost | $6,025 | $5,779 | $5,790 |
| Work from home | 24.1% | 15.6% | 15.0% |
| Highway traffic (vehicles/day) | 11,453 | 6,862 | 8,813 |
| Local road traffic (vehicles/day) | 1,531 | 1,152 | 1,355 |
Fastest commutes among counties in
Pennsylvania:
Cameron County (11.4 min), Elk County (15.4 min), McKean County (15.9 min).
Slowest:
Pike County (32.5 min), Perry County (32.0 min), Carbon County (30.5 min).
The average commute time in Chester County is 23 minutes, longer than the 22 minutes in Pennsylvania.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Chester County has a education index of A+, which means it is exceptionally educated.
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 51.8% | 31.4% | 31.6% |
| Average household size | 2.60 | 2.39 | 2.53 |
Highest education index among counties in
Pennsylvania:
Chester County (0.4), Montgomery County (0.4), Allegheny County (0.4).
Lowest:
Forest County (0.1), Mifflin County (0.2), Juniata County (0.2).
Health
Chester County has a health index of A, which means it is very healthy.
| Metric | Chester County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.8 | 78.4 | 78.3 |
| Self-rated poor health | 10.6% | 15.7% | 16.3% |
| Smokers | 13.9% | 20.1% | 19.0% |
Highest health index among counties in
Pennsylvania:
Montgomery County (0.8), Centre County (0.8), Chester County (0.8).
Lowest:
Forest County (0.8), Mifflin County (0.8), Jefferson County (0.8).
Chester County, PA Compared With Nearby Counties
Chester County, PA is typical in size for this group, 543,223 residents against a local median of 577,338, so the measures below are close to a like for like comparison. Chester County, PA's median household income, at $127,033, runs 39% above the $91,590 typical of the counties around it. That is the better end of the local range on this measure.
Median home price tells the same story from another angle: $226,626 against a local median of $194,369, 17% above it. The counties themselves spread $34,213 on median household income, so Chester County, PA sits at one end of an already wide local range rather than apart from it. Chester County, PA has the highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Chester County, PA | 543,223 | $127,033 #1/6 | $226,626 #2/6 | 23.3 min #3/6 |
| Delaware County, PA | 578,234 | $90,232 | $194,369 | 26.1 min |
| New Castle County, DE | 577,338 | $91,590 | $220,844 | 21.9 min |
| Montgomery County, PA | 867,535 | $114,626 | $273,761 | 25.5 min |
| Cecil County, MD | 104,960 | $93,370 | $137,826 | 25.5 min |
| Berks County, PA | 432,828 | $80,413 | $191,878 | 21.4 min |
Frequently Asked Questions
Common questions about Chester County, Pennsylvania.
How big is Chester County, Pennsylvania by population?
About 543,223 people live in Chester County, Pennsylvania, in 204,770 households of 2.6 people on average. The median age is 41.6, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Chester County, Pennsylvania mostly urban or rural?
Averaged over its land area, Chester County, Pennsylvania has 716 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 8.3 times the U.S. average of 86.
Is Chester County, Pennsylvania an affordable place to live?
The median home costs 1.8 times the median household income ($226,626 against $127,033), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,763 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Chester County, Pennsylvania?
Unemployment in Chester County, Pennsylvania is only 3.8%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Chester County, Pennsylvania?
51.8% of adults in Chester County, Pennsylvania hold a bachelor's degree or higher (about 5 in 10), well above the U.S. share of 31.6%.
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