PlainZIP

Thornton, PA · standard

ZIP Code 19373

Delaware County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,273
398/sq mi
$192,708
Median income
$755,800
Median home value
73.3%
Bachelor's or higher

The verdict

Thornton pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 5%
home value, US ZIPs
398
people per sq mi
100%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19373 against every reporting US ZIP.

ZIP code 19373 covers 10.7 square miles in Thornton, Delaware County, Pennsylvania (a standard USPS delivery area), with a modest 4,273 residents on file, a density of 398 people per square mile, in the New York time zone.

ZIP 19373 skews affluent, with a median household income of $192,708 (147% above the Pennsylvania average), while per-capita income is $77,915. Poverty here runs at 0.8%, with unemployment measured at 5.1%. Median home value sits at $755,800 (233% above the state average), median rent at - a month, and owner-occupancy at 100.0%.

This is a highly-educated ZIP: 73.3% of adults hold a bachelor's degree or higher, the median age is 38.3, and the average commute is 29 minutes. To put 19373 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Delaware County, for a geography-aware comparison.

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 19373

Top 5 sectors by establishment count in Thornton, PA

Which industries have the most business establishments in ZIP 19373.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 19373, Thornton, 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

4,273

Population

10.7

Area (sq mi)

398

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 19373?

38.3

Median Age

57.7%

Male

42.3%

Female

4.1%

Foreign-Born

White 94.0%
African American 0.0%
Asian 1.7%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.6%
Hispanic or Latino 2.0%

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?

$192,708

Median Household Income

+147% vs state

$77,915

Per Capita Income

0.8%

Poverty Rate

5.1%

Unemployment Rate

28.7 min

Mean Commute Time

How ZIP 19373 ranks nationally

Thornton, PA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$192,708 Top 1% higher than 99% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). This entry sits in this band. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 87.0%
Bachelor's Degree or Higher 73.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

759

Total Housing Units

740

Occupied Units

19

Vacant Units

3.17

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

$755,800

Median Home Value

+233% vs state

1990

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

+8.9%

YoY Change (2024)

260

HPI Index (2000 = 100)

+160%

Total Change Since 2000

Home values in ZIP 19373 have increased 8.9% over the past year (2024). Since 2000, this ZIP has seen +160% cumulative appreciation.

Year Annual Change HPI Index
2020 -1.9% 177
2021 +10.3% 195
2022 +14.8% 224
2023 +6.9% 239
2024 +8.9% 260

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 56 business establishments in ZIP 19373, employing approximately 315 people with a combined annual payroll of $22,396,000.

56

Businesses

315

Employees

$22.4M

Annual Payroll

8

Industry Sectors

Industry Establishments % of Total
Construction 15 26.8%
Professional, scientific, and technical services 8 14.3%
Administrative and support and waste management and remediation services 7 12.5%
Other services (except public administration) 6 10.7%
Transportation and warehousing 3 5.4%
Real estate and rental and leasing 3 5.4%
Health care and social assistance 3 5.4%
Arts, entertainment, and recreation 3 5.4%

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 19373 vs 19319 →

ZIP 19373 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 19373 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 19373 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 19373 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
19319 Cheyney, PA 1,130 1.9 mi
19342 Glen Mills, PA 18,099 2.0 mi
19017 Chester Heights, PA 348 3.8 mi
19060 Garnet Valley, PA 11,368 4.2 mi
19382 West Chester, PA 52,388 4.5 mi
19803 Wilmington, DE 21,364 7.1 mi
19810 Wilmington, DE 25,011 6.0 mi
19317 Chadds Ford, PA 9,530 4.7 mi
19383 West Chester, PA 3,169 4.9 mi
19014 Aston, PA 21,206 6.0 mi

More ZIP Codes in Delaware County

19082 standard
Upper Darby, PA
Pop: 40,997
19083 standard
Havertown, PA
Pop: 35,878
19063 standard
Media, PA
Pop: 35,704
19013 standard
Chester, PA
Pop: 35,130
19026 standard
Drexel Hill, PA
Pop: 30,738
19050 standard
Lansdowne, PA
Pop: 28,073

Related Areas

Delaware County Thornton, PA Pennsylvania

Frequently Asked Questions

What county is ZIP code 19373 in? ▼
ZIP code 19373 (Thornton) is located in Delaware County, Pennsylvania. Delaware County contains multiple ZIP codes, see the full list at /counties/delaware-pa.
What is the population of ZIP code 19373? ▼
ZIP code 19373 in Thornton, PA has a population of 4,273 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 19373? ▼
The median household income in ZIP 19373 is $192,708, which is 153% above the national average of $76,288.
What is the average home value in ZIP 19373? ▼
The median home value in ZIP 19373 is $755,800, which is 172% above the national average of $278,155.
What is the demographic makeup of ZIP 19373? ▼
The largest racial group in ZIP 19373 is White at 94.0%. Hispanic or Latino residents make up 2.0% of the population.
How many businesses are in ZIP code 19373? ▼
ZIP code 19373 has 56 business establishments employing approximately 315 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 19373? ▼
The top industries by establishment count in ZIP 19373 are: Construction (15), Professional, scientific, and technical services (8), Administrative and support and waste management and remediation services (7). There are 8 industry sectors represented in total.
How have home values changed in ZIP code 19373? ▼
According to the FHFA House Price Index, home values in ZIP 19373 increased by 8.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 160%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 19373? ▼
In ZIP code 19373, 87.0% of residents aged 25+ have a high school diploma or higher, and 73.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 19373? ▼
The mean commute time for workers in ZIP code 19373 is 28.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What is the poverty rate in ZIP code 19373? ▼
The poverty rate in ZIP code 19373 is 0.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.