Postal Codes

19311 ZIP Code

Advertisement

English Español

ZIP code 19311 covers Avondale, Pennsylvania, with a population of about 12,262 and a median household income of $146,723.

Population
12,262977 per square mile
Median age
34.24.5 points below the US average
Median household income
$146,7231.9× the Pennsylvania median
Poverty rate
2.2%10.2 points below the US average
Typical home value
$617,911up 32.6% in five years
Median rent
$1,3971.2× the Pennsylvania median
Degree or higher
53.2%18.2 points above the US average
Homeownership
84.6%19.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
177

Where 19311 is

Avondale, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population12,262
Median age34.2
Family households81.7%
Born outside the US14.9%
Speaks a language other than English at home24.4%
White (non-Hispanic)65.6%
Black (non-Hispanic)3.3%
Asian (non-Hispanic)2.6%
Hispanic or Latino25.5%
Veterans6.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$146,723
Income per person$61,206
Poverty rate2.2%
Households on SNAP or cash assistance3.8%

Household income distribution

Under $10k1.1%
$10–15k0.4%
$15–20k0.0%
$20–25k2.6%
$25–30k1.4%
$30–35k0.0%
$35–40k1.4%
$40–45k2.1%
$45–50k3.8%
$50–60k4.3%
$60–75k4.0%
$75–100k11.1%
$100–125k11.6%
$125–150k7.9%
$150–200k10.1%
$200k or more38.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,250
Mean adjusted gross income$133,046
Returns declaring $200,000 or more20.5%
Returns, under $25k23.3%
Returns, $25k–$50k16.7%
Returns, $50k–$75k9.9%
Returns, $75k–$100k9.4%
Returns, $100k–$200k20.2%
Returns, $200k or more20.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$524,700
Median gross rent$1,397
Rent as a share of household income31.4%
Owner-occupied84.6%
Vacant homes2.8%
Median year built2000

What the homes are

Detached house78.8%
Attached house8.1%
2 to 4 units6.9%
5 to 19 units0.7%
20 or more units0.4%
Mobile home5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$617,911as of 2026-07
Typical home value, 1 yearup 2.2%
Typical home value, 5 yearsup 32.6%
Typical home value, 10 yearsup 77.3%
Typical home value since 2000
200020132026$617,911$219,897

$219,897 in 2000 to $617,911 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.9%
Bachelor's degree or higher53.2%
High school diploma or higher84.6%
Works from home19.5%
Drives to work alone64.3%
Takes public transport0.7%
Commutes 45 minutes or more14.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening69.8% 5.5 pts above the national average of 64.3%
Visited a dentist68.1% 6.8 pts above the national average of 61.3%
Mammography use79.4% 3.5 pts above the national average of 75.9%
Sleeps under 7 hours33.5% 2.9 pts below the national average of 36.4%
All natural teeth lost11.1% 1.9 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments177
People employed2,830
Annual payroll$123,124,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 56.2% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 8 census tracts this ZIP code covers
Expected annual loss62 out of 100
Community resilience77.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought92.6Relatively High at its worst in this ZIP code
Winter weather90Relatively High at its worst in this ZIP code
Landslide77.7Relatively Low at its worst in this ZIP code
River flooding74.6Relatively High at its worst in this ZIP code
Heat wave74.4Relatively Moderate at its worst in this ZIP code
Hurricane73.5Relatively Moderate at its worst in this ZIP code
Strong wind71.1Relatively Moderate at its worst in this ZIP code
Earthquake69.9Relatively Low at its worst in this ZIP code
Ice storm61.9Relatively Moderate at its worst in this ZIP code
Lightning57.9Relatively Moderate at its worst in this ZIP code
Tornado55.6Relatively Moderate at its worst in this ZIP code
Cold wave52.2Relatively Moderate at its worst in this ZIP code
Wildfire43.9Very Low at its worst in this ZIP code
Hail40.3Relatively Low at its worst in this ZIP code
Advertisement
Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$146,723$76,081$78,538
Income per person$61,206$43,104$43,289
Poverty rate2.2%11.8%12.4%
Median home value$524,700$240,500$303,400
Median gross rent$1,397$1,162$1,348
Homeownership84.6%69.3%65%
Bachelor's degree or higher53.2%34.5%35%
Unemployment rate1.9%5.2%5.2%
Works from home19.5%13.8%13.5%
Born outside the US14.9%7.4%13.9%
Median age34.240.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationAVONDALE 2 N, PA US4.4 km away
Rain in a year47 in

Average high and low by month

January38.6°F / 22.7°F3.62 in rain
February41.2°F / 24°F3.12 in rain
March49.8°F / 31°F4.4 in rain
April61.5°F / 40.2°F3.79 in rain
May71.2°F / 50.2°F3.58 in rain
June79.5°F / 59°F4.43 in rain
July83.6°F / 63.7°F4.17 in rain
August81.5°F / 61.9°F4.28 in rain
September75.3°F / 55.2°F4.47 in rain
October63.9°F / 43.8°F4.03 in rain
November53.3°F / 34.3°F3.22 in rain
December43.2°F / 27.6°F4.03 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Kennett Consolidated School District54.7% of this ZIP code's land area
Avon Grove School District44.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status50more vulnerable than 50% of US census tracts
Housing type and transport40more vulnerable than 40% of US census tracts
Walkability7.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

19374 Toughkenamon, PA1.4 km away
19318 Chatham, PA5 km away
19345 Immaculata, PA5.1 km away
19390 West Grove, PA5.9 km away
19350 Landenberg, PA5.9 km away
19348 Kennett Square, PA6.9 km away
19736 Yorklyn, DE8.1 km away
19707 Hockessin, DE8.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Chester County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area12.55 sq mi
Water area0.09 sq mi
Population density977 people per sq mi
Latitude, longitude39.8219, -75.7687

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement