Southampton, PA · standard
ZIP Code 18966
Bucks County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 37,999
- 904/sq mi High-density area
- $128,838
- Median income Above-median income area
- $488,400
- Median home value Above-median home value
- 50.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Southampton pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 7%
- household income, US ZIPs
- Top 14%
- home value, US ZIPs
- 904
- people per sq mi
- 90%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 18966 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 18966 (Southampton, PA) rose +1.0% from 2023 to 2024. The all-transactions index moved from 253.3 in 2023 to 255.9 in 2024 (2000 = 100).
ZIP code 18966 is a densely settled ZIP (a standard USPS delivery area) in Southampton, Bucks County, Pennsylvania, with 37,999 residents across 42.0 square miles, a density of 904 people per square mile, in the New York time zone.
ZIP 18966 skews affluent, with a median household income of $128,838 (65% above the average Pennsylvania ZIP), while per-capita income is $64,311. Both reported hardship measures are comparatively low in absolute terms: poverty is 3.9% and unemployment is 3.6%. Housing is both higher-cost and owner-heavy: median home value is $488,400 (115% above the average Pennsylvania ZIP), while 89.5% of occupied homes are owner-occupied and median rent is $1,971.
This is a highly-educated ZIP: 50.9% of adults hold a bachelor's degree or higher, the median age is 47.3, and the average commute is 32 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Bucks County, so 18966 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 18966
Top 5 sectors by establishment count in Southampton, PA
Which industries have the most business establishments in ZIP 18966.
- Construction
Construction
190 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
181 establishments
- Health care and social assistance
Health care and social assistance
139 establishments
- Other services (except public administration)
Other services (except public administration)
102 establishments
- Retail trade
Retail trade
92 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 18966, Southampton, 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
37,999
Population
42.0
Area (sq mi)
904
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 18966?
47.3
Median Age
48.4%
Male
51.6%
Female
11.5%
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?
$128,838
Median Household Income
+65% vs state ZIP avg
$64,311
Per Capita Income
3.9%
Poverty Rate
3.6%
Unemployment Rate
31.5 min
Mean Commute Time
How ZIP 18966 ranks nationally
Southampton, PA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$128,838 Top 7% higher than 93% 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?
Housing stock: occupied vs vacant
14,363housing units
14,363
Total Housing Units
13,851
Occupied Units
512
Vacant Units
2.60
Avg Household Size
Occupancy Type
$488,400
Median Home Value
+115% vs state ZIP avg
$1,971
Median Rent
1974
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
+1.0%
YoY Change (2024)
256
HPI Index (2000 = 100)
+156%
Total Change Since 2000
Home values in ZIP 18966 have increased 1.0% over the past year (2024). Since 2000, this ZIP has seen +156% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.5% | 182 |
| 2021 | +9.2% | 198 |
| 2022 | +12.4% | 223 |
| 2023 | +13.5% | 253 |
| 2024 | +1.0% | 256 |
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 1,197 business establishments in ZIP 18966, employing approximately 10,602 people with a combined annual payroll of $532,896,000.
1,197
Businesses
10,602
Employees
$532.9M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 190 | 15.9% |
| Professional, scientific, and technical services | 181 | 15.1% |
| Health care and social assistance | 139 | 11.6% |
| Other services (except public administration) | 102 | 8.5% |
| Retail trade | 92 | 7.7% |
| Transportation and warehousing | 83 | 6.9% |
| Finance and insurance | 79 | 6.6% |
| Real estate and rental and leasing | 71 | 5.9% |
| Administrative and support and waste management and remediation services | 68 | 5.7% |
| Accommodation and food services | 58 | 4.8% |
| Wholesale trade | 54 | 4.5% |
| Manufacturing | 27 | 2.3% |
| Information | 21 | 1.8% |
| Educational services | 20 | 1.7% |
| Arts, entertainment, and recreation | 10 | 0.8% |
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 18966 vs 18954 →
ZIP 18966 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18974
Warminster (18974)
40,953 residents
- 18966
Southampton (18966)
37,999 residents
- 19047
Langhorne (19047)
35,056 residents
- 19154
Philadelphia (19154)
34,196 residents
- 19116
Philadelphia (19116)
33,112 residents
- 19053
Feasterville Trevose (19053)
25,966 residents
- 19006
Huntingdon Valley (19006)
21,423 residents
- 19040
Hatboro (19040)
20,536 residents
- 18954 9,745
Richboro (18954)
9,745 residents
What this shows Among its immediate neighbors, ZIP 18966 ranks #2 by population - useful context the national average alone can't give.
ZIP 18966 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18954
Richboro (18954)
$159,857 median income
- 18980
Wycombe (18980)
$145,278 median income
- 19009
Bryn Athyn (19009)
$137,188 median income
- 18966
Southampton (18966)
$128,838 median income
- 19006
Huntingdon Valley (19006)
$128,295 median income
- 19040
Hatboro (19040)
$114,293 median income
- 19047
Langhorne (19047)
$109,530 median income
- 19053
Feasterville Trevose (19053)
$107,780 median income
- 18974
Warminster (18974)
$103,779 median income
What this shows By household income, ZIP 18966 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 18954 | Richboro, PA | 9,745 | 2.4 mi |
| 19053 | Feasterville Trevose, PA | 25,966 | 2.7 mi |
| 19116 | Philadelphia, PA | 33,112 | 4.9 mi |
| 18980 | Wycombe, PA | 510 | 5.6 mi |
| 18974 | Warminster, PA | 40,953 | 4.0 mi |
| 19047 | Langhorne, PA | 35,056 | 5.1 mi |
| 19009 | Bryn Athyn, PA | 864 | 4.6 mi |
| 19006 | Huntingdon Valley, PA | 21,423 | 4.8 mi |
| 19040 | Hatboro, PA | 20,536 | 5.3 mi |
| 19154 | Philadelphia, PA | 34,196 | 6.5 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 18966, 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 (37,999 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Bucks County
Related Areas
Frequently Asked Questions
What county is ZIP code 18966 in?
ZIP code 18966 (Southampton) is located in Bucks County, Pennsylvania. Bucks County contains multiple ZIP codes, see the full list at /counties/bucks-pa.
What is the population of ZIP code 18966?
ZIP code 18966 in Southampton, PA has a population of 37,999 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 18966?
The median household income in ZIP 18966 is $128,838, which is 69% above the national average of $76,288.
What is the average home value in ZIP 18966?
The median home value in ZIP 18966 is $488,400, which is 76% above the national average of $278,155.
What is the demographic makeup of ZIP 18966?
The largest racial group in ZIP 18966 is White at 90.4%. Hispanic or Latino residents make up 2.3% of the population.
How many businesses are in ZIP code 18966?
ZIP code 18966 has 1,197 business establishments employing approximately 10,602 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 18966?
The top industries by establishment count in ZIP 18966 are: Construction (190), Professional, scientific, and technical services (181), Health care and social assistance (139). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 18966?
According to the FHFA House Price Index, home values in ZIP 18966 increased by 1.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 156%. 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 18966?
In ZIP code 18966, 74.7% of residents aged 25+ have a high school diploma or higher, and 50.9% 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 18966?
The mean commute time for workers in ZIP code 18966 is 31.5 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 percentage of residents own vs. rent in ZIP 18966?
In ZIP code 18966, approximately 89.5% of occupied housing units are owner-occupied and 10.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 18966?
The poverty rate in ZIP code 18966 is 3.9% 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 18966's numbers, next.
- See how ZIP 18966 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Southampton, PA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.