PlainZIP

Bethlehem, PA · standard

ZIP Code 18018

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

32,413
2,424/sq mi
$75,417
Median income
$250,900
Median home value
38.8%
Bachelor's or higher

The verdict

Bethlehem pairs an above-median household income with above-median home values, in a suburban-density, mixed-tenure area.

Top 45%
household income, US ZIPs
Top 42%
home value, US ZIPs
2,424
people per sq mi
53%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 18018 against every reporting US ZIP.

ZIP code 18018 is a densely settled ZIP (a standard USPS delivery area) in Bethlehem, Lehigh County, Pennsylvania, with 32,413 residents across 13.4 square miles, a density of 2,424 people per square mile, in the New York time zone.

ZIP 18018 lands in the middle-income range, with a median household income of $75,417 (3% below the Pennsylvania average), while per-capita income is $48,627. Local economic indicators show a 15.2% poverty rate alongside 5.5% unemployment. Median home value sits at $250,900 (10% above the state average), median rent at $1,364 a month, and owner-occupancy at 53.2%.

A solid share of residents have a four-year degree: 38.8% of adults hold a bachelor's degree or higher, the median age is 39.2, and the average commute is 21 minutes. To put 18018 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Lehigh 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 18018

Top 5 sectors by establishment count in Bethlehem, PA

Which industries have the most business establishments in ZIP 18018.

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 18018, Bethlehem, 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

32,413

Population

13.4

Area (sq mi)

2,424

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 18018?

39.2

Median Age

47.6%

Male

52.4%

Female

8.5%

Foreign-Born

White 69.8%
African American 7.2%
Asian 1.4%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.3%
Hispanic or Latino 21.2%

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?

$75,417

Median Household Income

-3% vs state

$48,627

Per Capita Income

15.2%

Poverty Rate

5.5%

Unemployment Rate

21.1 min

Mean Commute Time

How ZIP 18018 ranks nationally

Bethlehem, PA household income vs. every US ZIP code

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

$75,417 Top 45% higher than 55% 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%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $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 65.6%
Bachelor's Degree or Higher 38.8%

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

What does housing look like?

14,586

Total Housing Units

14,119

Occupied Units

467

Vacant Units

2.21

Avg Household Size

Occupancy Type

Owner 53.2%
Renter 46.8%

$250,900

Median Home Value

+10% vs state

$1,364

Median Rent

1952

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

+7.6%

YoY Change (2024)

298

HPI Index (2000 = 100)

+198%

Total Change Since 2000

Home values in ZIP 18018 have increased 7.6% over the past year (2024). Since 2000, this ZIP has seen +198% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.8% 195
2021 +11.9% 218
2022 +15.1% 251
2023 +10.1% 277
2024 +7.6% 298

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 776 business establishments in ZIP 18018, employing approximately 12,363 people with a combined annual payroll of $661,865,000.

776

Businesses

12,363

Employees

$661.9M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 114 14.7%
Health care and social assistance 103 13.3%
Professional, scientific, and technical services 101 13.0%
Accommodation and food services 92 11.9%
Retail trade 85 10.9%
Finance and insurance 69 8.9%
Construction 53 6.8%
Real estate and rental and leasing 40 5.2%
Administrative and support and waste management and remediation services 25 3.2%
Transportation and warehousing 20 2.6%
Educational services 19 2.5%
Wholesale trade 17 2.2%
Manufacturing 15 1.9%
Arts, entertainment, and recreation 12 1.6%
Management of companies and enterprises 6 0.8%
Information 4 0.5%

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 18018 vs 18016 →

ZIP 18018 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 18018 ranks #4 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 18018 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 18018 ranks #5 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
18016 Bethlehem, PA 0 0.3 mi
18017 Bethlehem, PA 37,549 2.3 mi
18109 Allentown, PA 16,932 2.4 mi
18015 Bethlehem, PA 32,832 2.9 mi
18101 Allentown, PA 3,897 4.3 mi
18102 Allentown, PA 49,779 4.5 mi
18032 Catasauqua, PA 9,285 4.3 mi
18034 Center Valley, PA 8,256 5.9 mi
18020 Bethlehem, PA 20,447 4.7 mi
18105 Allentown, PA 12 5.5 mi

More ZIP Codes in Lehigh County

18102 standard
Allentown, PA
Pop: 49,779
18103 standard
Allentown, PA
Pop: 45,336
18104 standard
Allentown, PA
Pop: 43,236
18052 standard
Whitehall, PA
Pop: 26,902
18062 standard
Macungie, PA
Pop: 24,351
18049 standard
Emmaus, PA
Pop: 17,341

Related Areas

Lehigh County Bethlehem, PA Pennsylvania

Frequently Asked Questions

What county is ZIP code 18018 in? ▼
ZIP code 18018 (Bethlehem) is located in Lehigh County, Pennsylvania. Lehigh County contains multiple ZIP codes, see the full list at /counties/lehigh-pa.
What is the population of ZIP code 18018? ▼
ZIP code 18018 in Bethlehem, PA has a population of 32,413 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 18018? ▼
The median household income in ZIP 18018 is $75,417, which is 1% below the national average of $76,288.
What is the average home value in ZIP 18018? ▼
The median home value in ZIP 18018 is $250,900, which is 10% below the national average of $278,155.
What is the demographic makeup of ZIP 18018? ▼
The largest racial group in ZIP 18018 is White at 69.8%. Hispanic or Latino residents make up 21.2% of the population.
How many businesses are in ZIP code 18018? ▼
ZIP code 18018 has 776 business establishments employing approximately 12,363 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 18018? ▼
The top industries by establishment count in ZIP 18018 are: Other services (except public administration) (114), Health care and social assistance (103), Professional, scientific, and technical services (101). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 18018? ▼
According to the FHFA House Price Index, home values in ZIP 18018 increased by 7.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 198%. 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 18018? ▼
In ZIP code 18018, 65.6% of residents aged 25+ have a high school diploma or higher, and 38.8% 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 18018? ▼
The mean commute time for workers in ZIP code 18018 is 21.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 18018? ▼
In ZIP code 18018, approximately 53.2% of occupied housing units are owner-occupied and 46.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 18018? ▼
The poverty rate in ZIP code 18018 is 15.2% 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.