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 High-density area
- $75,417
- Median income Near-median income area
- $250,900
- Median home value Near-median home value
- 38.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 18018 (Bethlehem, PA) rose +7.6% from 2023 to 2024. The all-transactions index moved from 276.5 in 2023 to 297.6 in 2024 (2000 = 100).
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 average Pennsylvania ZIP), while per-capita income is $48,627. The poverty rate is 15.2%, with unemployment at 5.5%; those measures add context to the income figure. Median home value is $250,900 (10% above the average Pennsylvania ZIP) and median rent is $1,364; 53.2% of occupied homes are owner-occupied.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Lehigh County, so 18018 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 18018
Top 5 sectors by establishment count in Bethlehem, PA
Which industries have the most business establishments in ZIP 18018.
- Other services (except public administration)
Other services (except public administration)
114 establishments
- Health care and social assistance
Health care and social assistance
103 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
101 establishments
- Accommodation and food services
Accommodation and food services
92 establishments
- Retail trade
Retail trade
85 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 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
Who lives in ZIP 18018?
39.2
Median Age
47.6%
Male
52.4%
Female
8.5%
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?
$75,417
Median Household Income
-3% vs state ZIP avg
$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
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
14,586housing units
14,586
Total Housing Units
14,119
Occupied Units
467
Vacant Units
2.21
Avg Household Size
Occupancy Type
$250,900
Median Home Value
+10% vs state ZIP avg
$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.
- 18102
Allentown (18102)
49,779 residents
- 18017
Bethlehem (18017)
37,549 residents
- 18015
Bethlehem (18015)
32,832 residents
- 18018
Bethlehem (18018)
32,413 residents
- 18020
Bethlehem (18020)
20,447 residents
- 18109 16,932
Allentown (18109)
16,932 residents
- 18032 9,285
Catasauqua (18032)
9,285 residents
- 18034 8,256
Center Valley (18034)
8,256 residents
- 18101 3,897
Allentown (18101)
3,897 residents
What this shows Among its immediate neighbors, ZIP 18018 ranks #4 by population - useful context the national average alone can't give.
ZIP 18018 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
- 18020
Bethlehem (18020)
$126,166 median income
- 18017
Bethlehem (18017)
$91,173 median income
- 18032
Catasauqua (18032)
$81,098 median income
- 18018
Bethlehem (18018)
$75,417 median income
- 18015 $60,800
Bethlehem (18015)
$60,800 median income
- 18109 $58,031
Allentown (18109)
$58,031 median income
- 18101 $44,773
Allentown (18101)
$44,773 median income
- 18102 $43,085
Allentown (18102)
$43,085 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 18018, 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 (32,413 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lehigh County
Related Areas
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.
Related
Take this with you
What to do with ZIP 18018's numbers, next.
- See how ZIP 18018 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Bethlehem, 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.