19311 ZIP Code — Avondale, PA

Chester County, Pennsylvania

ZIP code 19311 is located in Avondale, Pennsylvania, within Chester County. It covers approximately 12.55 square miles and serves a population of 11,342 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 484/610.

About ZIP code 19311

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $493,200. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($149,906) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 19311 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

11,342

population

12.55

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

19311 ZIP code map

Cities in ZIP code 19311

Below are the cities the US Postal Service accepts for ZIP code 19311. Using any city not on this list may result in mail delivery delays.

City	Status
Avondale	Preferred

Nearby ZIP codes

19374 Toughkenamon (0.4 mi) 19348 Kennett Square (3.7 mi) 19350 Landenberg (4.2 mi) 19390 West Grove (4.6 mi) 19707 Hockessin (5 mi) 19736 Yorklyn (6.7 mi) 19352 Lincoln University (7.2 mi) 19711 Newark (7.8 mi) 19808 Wilmington (8.2 mi) 19807 Wilmington (8.2 mi) 19330 Cochranville (9.2 mi) 19317 Chadds Ford (9.3 mi)

Demographics updated 05/2026

Population
Total population	11,342
Population density	904 / sq mi
State FIPS	42
County FIPS	029

Geography
Land area	12.55 sq mi
Water area	0.09 sq mi
Latitude	39.8254
Longitude	-75.7641
Timezone	Eastern (ET)
Area code	484/610

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	22.9%	39.8%
$50k – $100k	23.2%	25.8%	30.8%
$100k – $200k	28.3%	32.0%	22.4%
Over $200k	31.0%	19.4%	7.1%

Demographics & statistics

11,342

Population

904

People per sq mi

36.2

Median age

$149,906

Median household income

$61,052

Per capita income

$493,200

Median home value

$1,430

Median monthly rent

82.8%

Home ownership

2.9%

Poverty rate

2.0%

Unemployment

3,011

Housing units

53.2%

Bachelor's or higher

Age distribution

Male Female

398

Under 5

412

474

5–9

491

487

10–14

504

402

15–19

416

298

20–24

309

663

25–34

686

708

35–44

732

746

45–54

773

401

55–59

416

300

60–64

310

438

65–74

453

194

75–84

200

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,187	28.1%
18 and over	8,155	71.9%
65 and over	1,416	12.5%
Median age	36.2 years

Race & ethnicity

White 70.8%

Hispanic or Latino 10.5%

Two or more races 7.2%

Asian 4.7%

Other race 4.1%

Black or African American 2.7%

Group	Count	%
White	8,974	70.8%
Hispanic or Latino	1,328	10.5%
Two or more races	916	7.2%
Asian	590	4.7%
Other race	514	4.1%
Black or African American	348	2.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	22.9%	39.8%
$50k – $100k	23.2%	25.8%	30.8%
$100k – $200k	28.3%	32.0%	22.4%
Over $200k	31.0%	19.4%	7.1%

Under $10k 0.3%

$10k–$15k 0.5%

$15k–$25k 1.2%

$25k–$35k 2.1%

$35k–$50k 6.8%

$50k–$75k 10.4%

$75k–$100k 8.4%

$100k–$150k 20.4%

$150k–$200k 7.2%

$200k+ 42.7%

Range	% of households
Under $10k	0.3%
$10k–$15k	0.5%
$15k–$25k	1.2%
$25k–$35k	2.1%
$35k–$50k	6.8%
$50k–$75k	10.4%
$75k–$100k	8.4%
$100k–$150k	20.4%
$150k–$200k	7.2%
$200k+	42.7%
Median income	$149,906

Housing

Home values

Under $50k 2.7%

$50k–$100k 0.9%

$100k–$150k 0.8%

$150k–$200k 1.3%

$200k–$300k 9.0%

$300k–$500k 37.0%

$500k–$1M 45.3%

$1M+ 3.1%

Housing overview

Metric	Value
Median home value	$493,200
Median rent / month	$1,430
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	3.0%
Single-family detached	81.5%
Large apartment buildings	1.6%
Mobile homes	2.6%
Median rooms	8.1
Avg household size (owned)	3.07

Year built

Era	%
2020 or later	0.6%
2010–2019	14.6%
2000–2009	37.1%
1990–1999	16.6%
1980–1989	4.0%
1970–1979	5.0%
1960–1969	4.7%
1950–1959	1.5%
1940–1949	3.4%
1939 or earlier	12.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	3.7%
2 bedrooms	11.5%
3 bedrooms	29.2%
4 bedrooms	40.3%
5+ bedrooms	15.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	12.9%
2 vehicles	57.0%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	56.4%
Electricity	16.2%
Propane / LP gas	10.6%
Fuel oil	12.2%
Wood	1.7%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	2,355	67.2%
Cohabiting couple	279	8.0%
Male householder, no spouse	380	10.8%
Female householder, no spouse	492	14.0%
Households with children under 18	1,524	43.5%
Households with seniors (65+)	896	25.6%
Average household size	3.15

Marital status

Status	Male	Female
Never married	30.3%	30.6%
Married	62.4%	56.7%
Separated	1.9%	1.2%
Widowed	0.8%	3.2%
Divorced	4.7%	8.3%

Education

Less than 9th grade 7.3%

Some HS, no diploma 4.2%

HS graduate 17.5%

Some college, no degree 13.7%

Associate's degree 4.2%

Bachelor's degree 26.2%

Graduate / professional 27.1%

Metric	%
HS diploma or higher	88.5%
Bachelor's or higher	53.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	241	8.2%
Kindergarten	135	4.6%
Elementary school	1,317	44.7%
High school	552	18.7%
College / grad school	701	23.8%

Employment

Industry of employment

Education & healthcare 18.2%

Professional & management 17.9%

Agriculture & mining 11.6%

Finance & real estate 11.2%

Retail trade 8.2%

Manufacturing 6.9%

Transportation & utilities 6.2%

Arts, food & hospitality 5.5%

Construction 4.1%

Wholesale trade 3.4%

Public administration 2.9%

Other services 2.6%

Information 1.2%

Occupation

Category	%
Management, business & arts	54.9%
Service	13.3%
Sales & office	15.3%
Natural resources & construction	11.5%
Production & transportation	4.9%

Employment type

Type	%
Private sector	91.2%
Government	7.1%
Self-employed	1.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	66.7%
Carpool	7.3%
Public transit	0.5%
Walk	0.9%
Work from home	21.8%
Other means	2.7%
Avg commute (minutes)	26.5

Poverty

All people 2.9%

Under 18 years 3.3%

18 and over 2.8%

Married-couple families 0.4%

Female-led households 16.6%

Income support

Source	% of households
Social Security	22.5%
Retirement income	17.5%
Supplemental Security	4.8%
Cash public assistance	1.0%
Food stamps / SNAP	3.0%

Health indicators

Condition	%
Obesity	32.6%
High blood pressure	26.8%
High cholesterol	29.9%
Diabetes	9.1%
Heart disease	5.0%
Stroke	2.3%
Asthma	9.4%
Arthritis	21.6%
Kidney disease	2.4%
Pulmonary disease	5.5%
Cancer	5.4%

Behavior / access	%
Smoking	15.8%
Binge drinking	19.6%
No physical activity	21.7%
Less than 7 hrs sleep	32.2%
Depression	19.2%
Fair or poor health	12.6%
Poor mental health	14.3%
Poor physical health	9.1%
No health insurance	14.0%
Visited doctor (checkup)	74.4%
Visited dentist	67.8%
Cholesterol screening	89.3%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	607	7.4%

Disability	%
Any disability	8.0%
Under 18	7.6%
18–64 years	5.4%
65 and over	21.5%

Health insurance coverage

Type	%
Private insurance	77.7%
Public insurance	22.8%
No insurance	9.3%
Uninsured under 19	8.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,532	92.9%
Spanish	949	9.0%
Other Indo-European	922	8.8%
Asian & Pacific Islander	13	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,823	86.6%
Born in same state	9,633	84.9%
Born in different state	4,921	43.4%
Foreign born	190	1.7%
Naturalized citizen	1,519	13.4%
Not a US citizen	532	35.0%

Ancestry

Ancestry	Count	%
French	2,137	18.8%
Italian	1,921	16.9%
Arab	165	1.5%
Norwegian	31	0.3%

Ancestry	Count	%
Irish	21	0.2%
English	11	0.1%
German	10	0.1%
Polish	8	0.1%

Technology access

Metric	% of households
Computer access	30.9%
Internet access	93.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 19311

What city is ZIP code 19311 in?

ZIP code 19311 is primarily assigned to Avondale, Pennsylvania.

What county is ZIP code 19311 in?

ZIP code 19311 falls within Chester County, Pennsylvania.

How educated is the population of ZIP code 19311?

53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 19311 mostly owner-occupied?

83% of occupied units in ZIP code 19311 are owner-occupied, well above the national average.

What is the median household income in ZIP code 19311?

The median household income in ZIP code 19311 is $149,906, above the national median of ~$75,000.

What is the typical home value in ZIP code 19311?

The median home value in ZIP code 19311 is $493,200.

What timezone is ZIP code 19311 in?

ZIP code 19311 observes the EST timezone.