ZIP Code 18018
standardSource:
Bethlehem · Lehigh County · Pennsylvania
- Population
- 32,413
- Median income
- $75,417
- Median home value
- $250,900
- Bachelor's or higher
- 38.8%
- Land area
- 13.4 sq mi
2,424/sq mi
▼ 1% vs US
higher than 55% of US ZIPs
▼ 10% vs US
higher than 58% of US ZIPs
Median age 39.2
New York
ZIP code 18018 in Bethlehem, Pennsylvania has a population of 32,413. The median household income is $75,417, which is 1% below the national average. Median home value is $250,900, 10% below the US average. 38.8% of residents hold a bachelor's degree or higher.
ZIP code 18018 is classified by USPS as a standard delivery area and covers roughly 13.4 square miles in Bethlehem, Lehigh County, Pennsylvania. The area is home to 32,413 residents, producing a population density of 2,424 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 18018 against Pennsylvania and the nation.
On the economic side, the median household income for ZIP 18018 sits at $75,417 (3% below the Pennsylvania average), while per-capita income is $48,627. The poverty rate stands at 15.2% and the unemployment rate at 5.5%. On housing, the median home value is $250,900 (10% above the state average) with median rent at $1,364 per month, and 53.2% of occupied units are owner-occupied, a direct signal of whether 18018 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.8% of adults hold a bachelor's degree or higher, the median age is 39.2, and the average commute is 21 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Lehigh County, so you can benchmark 18018 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 18018
Top 5 sectors by establishment count
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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$48,627
Per Capita Income
15.2%
Poverty Rate
5.5%
Unemployment Rate
21.1 min
Mean Commute Time
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?
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
$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 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
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Bethlehem, PA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.