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 High-density area
- $192,708
- Median income Above-median income area
- $755,800
- Median home value Above-median home value
- 73.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 19373 (Thornton, PA) rose +8.9% from 2023 to 2024. The all-transactions index moved from 239.3 in 2023 to 260.5 in 2024 (2000 = 100).
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 average Pennsylvania ZIP), while per-capita income is $77,915. The poverty rate is 0.8%, with unemployment at 5.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $755,800 (233% above the average Pennsylvania ZIP), while 100.0% of occupied homes are owner-occupied.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Delaware County, so 19373 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
15 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
8 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
7 establishments
- Other services (except public administration)
Other services (except public administration)
6 establishments
- Transportation and warehousing 3
Transportation and warehousing
3 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 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
Who lives in ZIP 19373?
38.3
Median Age
57.7%
Male
42.3%
Female
4.1%
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?
$192,708
Median Household Income
+147% vs state ZIP avg
$77,915
Per Capita Income
0.8%
Poverty Rate
5.1%
Unemployment Rate
28.7 min
Mean Commute Time
How ZIP 19373 ranks among Pennsylvania ZIPs
Thornton, PA household income vs. every Pennsylvania ZIP code
Median household income among 1,642 reporting Pennsylvania ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$192,708 Top 1% higher than 99% of 1,642 Pennsylvania ZIPs
Each bar is a $20K-wide band; taller bars hold more Pennsylvania 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?
Housing stock: occupied vs vacant
759housing units
759
Total Housing Units
740
Occupied Units
19
Vacant Units
3.17
Avg Household Size
Occupancy Type
$755,800
Median Home Value
+233% vs state ZIP avg
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.
- 19382
West Chester (19382)
52,388 residents
- 19810
Wilmington (19810)
25,011 residents
- 19803
Wilmington (19803)
21,364 residents
- 19014
Aston (19014)
21,206 residents
- 19342 18,099
Glen Mills (19342)
18,099 residents
- 19060 11,368
Garnet Valley (19060)
11,368 residents
- 19317 9,530
Chadds Ford (19317)
9,530 residents
- 19373 4,273
Thornton (19373)
4,273 residents
- 19383 3,169
West Chester (19383)
3,169 residents
What this shows Among its immediate neighbors, ZIP 19373 ranks #8 by population - useful context the national average alone can't give.
ZIP 19373 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19373
Thornton (19373)
$192,708 median income
- 19060
Garnet Valley (19060)
$185,043 median income
- 19317
Chadds Ford (19317)
$174,408 median income
- 19017
Chester Heights (19017)
$166,917 median income
- 19803
Wilmington (19803)
$135,218 median income
- 19342
Glen Mills (19342)
$132,688 median income
- 19382
West Chester (19382)
$132,091 median income
- 19810
Wilmington (19810)
$112,775 median income
- 19014
Aston (19014)
$96,781 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 19373, both outside PA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (4,273 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Delaware County
Related Areas
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.
Related
Take this with you
What to do with ZIP 19373's numbers, next.
- See how ZIP 19373 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Thornton, PA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.