ZIP Code 19311
standardSource:
Avondale · Chester County · Pennsylvania
- Population
- 8,584
- Median income
- $155,771
- Median home value
- $540,800
- Bachelor's or higher
- 57.5%
- Land area
- 32.6 sq mi
263/sq mi
▲ 104% vs US
higher than 97% of US ZIPs
▲ 94% vs US
higher than 89% of US ZIPs
Median age 35.8
New York
ZIP code 19311 in Avondale, Pennsylvania has a population of 8,584. The median household income is $155,771, which is 104% above the national average. Median home value is $540,800, 94% above the US average. 57.5% of residents hold a bachelor's degree or higher.
ZIP code 19311 is classified by USPS as a standard delivery area and covers roughly 32.6 square miles in Avondale, Chester County, Pennsylvania. The area is home to 8,584 residents, producing a population density of 263 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 19311 against Pennsylvania and the nation.
On the economic side, the median household income for ZIP 19311 sits at $155,771 (100% above the Pennsylvania average), while per-capita income is $64,313. The poverty rate stands at 3.5% and the unemployment rate at 1.8%. On housing, the median home value is $540,800 (138% above the state average) with median rent at $1,483 per month, and 86.1% of occupied units are owner-occupied, a direct signal of whether 19311 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 57.5% of adults hold a bachelor's degree or higher, the median age is 35.8, and the average commute is 26 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Chester County, so you can benchmark 19311 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 19311
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 19311.
- Professional, scientific, and technical services
Professional, scientific, and technical services
24 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
18 establishments
- Retail trade
Retail trade
17 establishments
- Other services (except public administration)
Other services (except public administration)
17 establishments
- Construction
Construction
16 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 19311, Avondale, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
8,584
Population
32.6
Area (sq mi)
263
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 19311?
35.8
Median Age
49.9%
Male
50.1%
Female
14.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$155,771
Median Household Income
+100% vs state
$64,313
Per Capita Income
3.5%
Poverty Rate
1.8%
Unemployment Rate
25.6 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
3,706
Total Housing Units
3,619
Occupied Units
87
Vacant Units
3.19
Avg Household Size
Occupancy Type
$540,800
Median Home Value
+138% vs state
$1,483
Median Rent
2000
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+12.5%
YoY Change (2024)
220
HPI Index (2000 = 100)
+120%
Total Change Since 2000
Home values in ZIP 19311 have increased 12.5% over the past year (2024). Since 2000, this ZIP has seen +120% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.1% | 156 |
| 2021 | +6.3% | 165 |
| 2022 | +11.4% | 184 |
| 2023 | +6.1% | 195 |
| 2024 | +12.5% | 220 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 178 business establishments in ZIP 19311, employing approximately 2,891 people with a combined annual payroll of $129,747,000.
178
Businesses
2,891
Employees
$129.7M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 24 | 13.5% |
| Administrative and support and waste management and remediation services | 18 | 10.1% |
| Retail trade | 17 | 9.6% |
| Other services (except public administration) | 17 | 9.6% |
| Construction | 16 | 9.0% |
| Wholesale trade | 16 | 9.0% |
| Manufacturing | 14 | 7.9% |
| Accommodation and food services | 12 | 6.7% |
| Health care and social assistance | 10 | 5.6% |
| Finance and insurance | 8 | 4.5% |
| Agriculture, forestry, fishing and hunting | 7 | 3.9% |
| Real estate and rental and leasing | 7 | 3.9% |
| Transportation and warehousing | 4 | 2.3% |
| Arts, entertainment, and recreation | 4 | 2.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 19311 vs 19374 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 19374 | Toughkenamon, PA | 1,252 | 1.1 mi |
| 19390 | West Grove, PA | 13,425 | 3.8 mi |
| 19350 | Landenberg, PA | 10,921 | 4.3 mi |
| 19348 | Kennett Square, PA | 22,232 | 4.2 mi |
| 19375 | Unionville, PA | 104 | 5.6 mi |
| 19736 | Yorklyn, DE | 32 | 5.0 mi |
| 19707 | Hockessin, DE | 16,483 | 5.3 mi |
| 19711 | Newark, DE | 51,322 | 7.6 mi |
| 19716 | Newark, DE | 1,568 | 9.2 mi |
| 19717 | Newark, DE | 3,770 | 10.0 mi |
More ZIP Codes in Chester County
Related Areas
Frequently Asked Questions
What county is ZIP code 19311 in? ▼
What is the population of ZIP code 19311? ▼
What is the median household income in ZIP 19311? ▼
What is the average home value in ZIP 19311? ▼
What is the demographic makeup of ZIP 19311? ▼
How many businesses are in ZIP code 19311? ▼
What are the main industries in ZIP code 19311? ▼
How have home values changed in ZIP code 19311? ▼
What is the education level in ZIP code 19311? ▼
What is the average commute time in ZIP 19311? ▼
What percentage of residents own vs. rent in ZIP 19311? ▼
What is the poverty rate in ZIP code 19311? ▼
ZIP Code Research Guides
Official Data Resources for Avondale, PA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.