PlainZIP

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
$98,268
Median income
$363,200
Median home value
32.5%
Bachelor's or higher

The verdict

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.

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 Pennsylvania average), while per-capita income is $46,855. 6.2% of residents live below the poverty line, and the unemployment rate reads 6.1%. Median home value sits at $363,200 (60% above the state average), median rent at $1,441 a month, and owner-occupancy at 82.0%.

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. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 18951, plus 6 more within Bucks County, give a clearer read than the national average alone.

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.

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 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

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 18951?

44.2

Median Age

50.1%

Male

49.9%

Female

7.4%

Foreign-Born

White 85.3%
African American 2.3%
Asian 3.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.1%
Hispanic or Latino 6.5%

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

$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

$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%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $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 69.4%
Bachelor's Degree or Higher 32.5%

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

What does housing look like?

14,881

Total Housing Units

14,202

Occupied Units

679

Vacant Units

2.54

Avg Household Size

Occupancy Type

Owner 82.0%
Renter 18.0%

$363,200

Median Home Value

+60% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 18951 ranks the most populous - useful context the national average alone can't give.

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

ZIP 18951 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 18951 ranks #8 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
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

More ZIP Codes in Bucks County

19020 standard
Bensalem, PA
Pop: 55,493
19067 standard
Morrisville, PA
Pop: 51,334
18974 standard
Warminster, PA
Pop: 40,953
18966 standard
Southampton, PA
Pop: 37,999
19047 standard
Langhorne, PA
Pop: 35,056
18940 standard
Newtown, PA
Pop: 28,825

Related Areas

Bucks County Quakertown, PA Pennsylvania

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.

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