Quakertown, PA · standard
ZIP Code 18951
Bucks County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 34,651
- 201/sq mi High-density area
- $98,268
- Median income Above-median income area
- $363,200
- Median home value Above-median home value
- 32.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Quakertown pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 20%
- household income, US ZIPs
- Top 25%
- home value, US ZIPs
- 201
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 18951 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 18951 (Quakertown, PA) rose +8.6% from 2023 to 2024. The all-transactions index moved from 232.3 in 2023 to 252.4 in 2024 (2000 = 100).
ZIP code 18951 is a densely settled ZIP (a standard USPS delivery area) in Quakertown, Bucks County, Pennsylvania, with 34,651 residents across 172.6 square miles, a density of 201 people per square mile, in the New York time zone.
ZIP 18951 lands in the middle-income range, with a median household income of $98,268 (26% above the average Pennsylvania ZIP), while per-capita income is $46,855. The poverty rate is 6.2%, with unemployment at 6.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $363,200 (60% above the average Pennsylvania ZIP), while 82.0% of occupied homes are owner-occupied and median rent is $1,441.
A solid share of residents have a four-year degree: 32.5% of adults hold a bachelor's degree or higher, the median age is 44.2, and the average commute is 28 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Bucks County, so 18951 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 18951
Top 5 sectors by establishment count in Quakertown, PA
Which industries have the most business establishments in ZIP 18951.
- Retail trade
Retail trade
159 establishments
- Health care and social assistance
Health care and social assistance
122 establishments
- Construction
Construction
118 establishments
- Other services (except public administration)
Other services (except public administration)
116 establishments
- Accommodation and food services
Accommodation and food services
95 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 18951, Quakertown, 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
34,651
Population
172.6
Area (sq mi)
201
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 18951?
44.2
Median Age
50.1%
Male
49.9%
Female
7.4%
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?
$98,268
Median Household Income
+26% vs state ZIP avg
$46,855
Per Capita Income
6.2%
Poverty Rate
6.1%
Unemployment Rate
28.3 min
Mean Commute Time
How ZIP 18951 ranks nationally
Quakertown, PA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$98,268 Top 20% higher than 80% 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
14,881housing units
14,881
Total Housing Units
14,202
Occupied Units
679
Vacant Units
2.54
Avg Household Size
Occupancy Type
$363,200
Median Home Value
+60% vs state ZIP avg
$1,441
Median Rent
1982
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
+8.6%
YoY Change (2024)
252
HPI Index (2000 = 100)
+152%
Total Change Since 2000
Home values in ZIP 18951 have increased 8.6% over the past year (2024). Since 2000, this ZIP has seen +152% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.7% | 175 |
| 2021 | +10.0% | 193 |
| 2022 | +12.8% | 217 |
| 2023 | +7.0% | 232 |
| 2024 | +8.6% | 252 |
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 1,015 business establishments in ZIP 18951, employing approximately 15,471 people with a combined annual payroll of $781,019,000.
1,015
Businesses
15,471
Employees
$781.0M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 159 | 15.7% |
| Health care and social assistance | 122 | 12.0% |
| Construction | 118 | 11.6% |
| Other services (except public administration) | 116 | 11.4% |
| Accommodation and food services | 95 | 9.4% |
| Professional, scientific, and technical services | 88 | 8.7% |
| Manufacturing | 67 | 6.6% |
| Administrative and support and waste management and remediation services | 64 | 6.3% |
| Wholesale trade | 53 | 5.2% |
| Finance and insurance | 38 | 3.7% |
| Transportation and warehousing | 26 | 2.6% |
| Real estate and rental and leasing | 26 | 2.6% |
| Information | 13 | 1.3% |
| Educational services | 13 | 1.3% |
| Arts, entertainment, and recreation | 11 | 1.1% |
| Management of companies and enterprises | 3 | 0.3% |
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 18951 vs 18955 →
ZIP 18951 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18951
Quakertown (18951)
34,651 residents
- 18015
Bethlehem (18015)
32,832 residents
- 18944
Perkasie (18944)
24,479 residents
- 18969
Telford (18969)
15,273 residents
- 18036 12,822
Coopersburg (18036)
12,822 residents
- 18960 12,473
Sellersville (18960)
12,473 residents
- 18034 8,256
Center Valley (18034)
8,256 residents
- 18955 1,662
Richlandtown (18955)
1,662 residents
- 18970 696
Trumbauersville (18970)
696 residents
What this shows Among its immediate neighbors, ZIP 18951 ranks the most populous - useful context the national average alone can't give.
ZIP 18951 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18034
Center Valley (18034)
$153,200 median income
- 18944
Perkasie (18944)
$130,997 median income
- 18036
Coopersburg (18036)
$129,123 median income
- 18970
Trumbauersville (18970)
$114,688 median income
- 18935
Milford Square (18935)
$113,214 median income
- 18960
Sellersville (18960)
$109,028 median income
- 18969
Telford (18969)
$108,995 median income
- 18951
Quakertown (18951)
$98,268 median income
- 18955
Richlandtown (18955)
$78,750 median income
What this shows By household income, ZIP 18951 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 18955 | Richlandtown, PA | 1,662 | 2.3 mi |
| 18935 | Milford Square, PA | 116 | 3.1 mi |
| 18970 | Trumbauersville, PA | 696 | 3.4 mi |
| 18036 | Coopersburg, PA | 12,822 | 4.5 mi |
| 18960 | Sellersville, PA | 12,473 | 6.2 mi |
| 18969 | Telford, PA | 15,273 | 8.8 mi |
| 18034 | Center Valley, PA | 8,256 | 7.3 mi |
| 18015 | Bethlehem, PA | 32,832 | 9.6 mi |
| 18081 | Springtown, PA | 357 | 8.2 mi |
| 18944 | Perkasie, PA | 24,479 | 7.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 18951, 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 (34,651 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 18951 in?
ZIP code 18951 (Quakertown) 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 18951?
ZIP code 18951 in Quakertown, PA has a population of 34,651 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 18951?
The median household income in ZIP 18951 is $98,268, which is 29% above the national average of $76,288.
What is the average home value in ZIP 18951?
The median home value in ZIP 18951 is $363,200, which is 31% above the national average of $278,155.
What is the demographic makeup of ZIP 18951?
The largest racial group in ZIP 18951 is White at 85.3%. Hispanic or Latino residents make up 6.5% of the population.
How many businesses are in ZIP code 18951?
ZIP code 18951 has 1,015 business establishments employing approximately 15,471 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 18951?
The top industries by establishment count in ZIP 18951 are: Retail trade (159), Health care and social assistance (122), Construction (118). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 18951?
According to the FHFA House Price Index, home values in ZIP 18951 increased by 8.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 152%. 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 18951?
In ZIP code 18951, 69.4% of residents aged 25+ have a high school diploma or higher, and 32.5% 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 18951?
The mean commute time for workers in ZIP code 18951 is 28.3 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 18951?
In ZIP code 18951, approximately 82.0% of occupied housing units are owner-occupied and 18.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 18951?
The poverty rate in ZIP code 18951 is 6.2% 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 18951's numbers, next.
- See how ZIP 18951 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Quakertown, 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.