Avondale, PA · standard
ZIP Code 19311
Chester County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,584
- 263/sq mi
- $155,771
- Median income
- $540,800
- Median home value
- 57.5%
- Bachelor's or higher
The verdict
Avondale pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 3%
- household income, US ZIPs
- Top 11%
- home value, US ZIPs
- 263
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19311 against every reporting US ZIP.
ZIP code 19311 is a mid-sized community (a standard USPS delivery area) in Avondale, Chester County, Pennsylvania, home to 8,584 residents across 32.6 square miles, a density of 263 people per square mile, in the New York time zone.
ZIP 19311 skews affluent, with a median household income of $155,771 (100% above the Pennsylvania average), while per-capita income is $64,313. Local economic indicators show a 3.5% poverty rate alongside 1.8% unemployment. 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.
This is a highly-educated ZIP: 57.5% of adults hold a bachelor's degree or higher, the median age is 35.8, and the average commute is 26 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 19311, plus 6 more within Chester County, give a clearer read than the national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 19311
Top 5 sectors by establishment count in Avondale, PA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
How ZIP 19311 ranks nationally
Avondale, PA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$155,771 Top 3% higher than 97% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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 19311 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19711
Newark (19711)
51,322 residents
- 19348
Kennett Square (19348)
22,232 residents
- 19707 16,483
Hockessin (19707)
16,483 residents
- 19390 13,425
West Grove (19390)
13,425 residents
- 19350 10,921
Landenberg (19350)
10,921 residents
- 19311 8,584
Avondale (19311)
8,584 residents
- 19717 3,770
Newark (19717)
3,770 residents
- 19716 1,568
Newark (19716)
1,568 residents
- 19374 1,252
Toughkenamon (19374)
1,252 residents
What this shows Among its immediate neighbors, ZIP 19311 ranks #6 by population - useful context the national average alone can't give.
ZIP 19311 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19375
Unionville (19375)
$250,001 median income
- 19707
Hockessin (19707)
$172,696 median income
- 19311
Avondale (19311)
$155,771 median income
- 19350
Landenberg (19350)
$144,375 median income
- 19390
West Grove (19390)
$128,858 median income
- 19348
Kennett Square (19348)
$123,526 median income
- 19711 $95,403
Newark (19711)
$95,403 median income
What this shows By household income, ZIP 19311 ranks #3 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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? ▼
Read our methodology to see how this data is sourced, computed, and verified.