Gilbert, PA
Monroe County · Pennsylvania · United States
Home to 552 people across 2.627 square miles.
At a glance
18331 by the numbers
Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.
Location
Where 18331 is
| Coordinates | 40.908412, -75.440228 |
|---|---|
| Time zone | America/New_York |
| County | Monroe County |
| State | Pennsylvania (PA) |
| Land area | 2.627 mi² |
| Coordinate source | Census ZCTA internal point |
Local time
America/New_York
Current weather
Live from the National Weather Service
Loading forecast…
Distance to major cities
Straight-line, computed from coordinates
| Philadelphia, PA | 67.6 mi |
|---|---|
| New York, NY | 76.2 mi |
| Boston, MA | 247.4 mi |
| Chicago, IL | 634.8 mi |
People
Who lives in 18331
552 residents in 290 households, averaging 1.9 people per household. The largest age group is 65+ at 46.2% of residents, and 41.4% of households are a single person living alone.
Age distribution
Share of residents by age band
Households
Composition and size
| Total households | 290 |
|---|---|
| Average household size | 1.9 |
| Family households | 58.6% |
| Living alone | 41.4% |
| Median age | 64.5 years |
| Households with internet | 88.6% |
Race & ethnicity
Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.
Income & work
What people earn in 18331
Income data is suppressed for this ZIP code.
Compared to the US
This ZIP against the national median
| Median household income | — ±— |
|---|---|
| Per capita income | $41,840 |
| Poverty rate | 16.1% |
| Unemployment rate | 27.7% |
| Labor force participation | 32.5% |
Household income distribution
Share of households in each bracket
Educational attainment among residents 25 and older: 9.1% hold a bachelor's degree or higher, 99.8% finished high school.
Housing
Homes and rent in 18331
A typical home is valued at $276,800. This is an owner-majority area — 75.5% of occupied homes are owned, and the typical building went up in 1978.
Costs
Typical values
| Median home value | $276,800 |
|---|---|
| Median gross rent | —/mo |
| Median year built | 1978 |
| Housing units | 297 |
| Vacancy rate | 2.4% |
Own vs. rent
Of 290 occupied units
| Owner households | 219 |
|---|---|
| Renter households | 71 |
Building types
Units by structure size
Getting to work
How 18331 commutes
92.5% of workers drove alone, and the average one-way trip takes 43.4 minutes.
Mode of transport
Workers 16 and older
Travel time
Mean commute 43.4 minutes
Overview
Understanding ZIP code 18331
ZIP code 18331 is assigned to Gilbert, PA, and falls within Monroe County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 552 people live inside it.
At 210 residents per square mile spread over 2.627 square miles, 18331 reads as a small-town area. It is a sparsely populated postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.
Living here
What life in Gilbert looks like
Housing in 18331 costs close to the national median. A typical home is valued at $276,800 against a US median of $207,500. Ownership dominates: 75.5% of occupied homes are owner-occupied, which usually signals an established residential area with relatively low turnover.
The building stock is dominated by detached single-family houses, which account for 91.6% of housing units here. The median construction year is 1978, making the housing here from the later twentieth century. At 2.4%, vacancy is low — housing here is tightly held.
The population skews considerably older than the national median, with a median age of 64.5 against 42 nationally. Households average just 1.9 people, and 41.4% consist of one person living alone — a signature of areas with a lot of studio and one-bedroom stock.
Getting to work takes 43.4 minutes on average one way. The dominant mode is drove alone at 92.5% of workers.
Where to stay
Where to stay in Gilbert, PA
Gilbert is a smaller community, so options inside 18331 may be limited to a handful of independent inns, motels or bed-and-breakfast properties. Travellers often widen the search to the surrounding area, where the choice is greater and prices are usually competitive.
For reference, Philadelphia, PA is about 67.6 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.
Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.
Opens Booking.com in a new tab. We are not affiliated with Booking.com and receive nothing from this link.
Practical uses
What ZIP code 18331 is used for
Beyond addressing mail, 18331 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.
For anyone weighing a move, 18331 offers a compact profile of Gilbert: 552 residents, 9.1% of adults holding a bachelor's degree or higher, and an unemployment rate of 27.7%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.
One caution worth repeating: a postal code is not a neighbourhood. 18331 may cover parts of several distinct areas, and a single neighbourhood in Gilbert may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.
Nearby
ZIP codes near 18331
The eight closest postal codes by centroid distance, each with its own full profile. You can also browse every Pennsylvania ZIP code or use the ZIP Express Lookup to search by city, county or time zone.
More in Monroe County
Look up another
Search any ZIP code
Questions
Common questions about 18331
What city is ZIP code 18331 in?
What is the population of 18331?
How expensive is housing in 18331?
Is 18331 a good place to live?
What time zone is 18331 in?
How big is ZIP code 18331?
Is 18331 urban, suburban or rural?
What is the commute like from 18331?
How many people work in 18331?
Where should I stay when visiting 18331?
Does 18331 cover more than one city or county?
Can ZIP code 18331 change?
Methodology
Where this data comes from
- Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
- Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 18331. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
- Land and water area — US Census Bureau 2023 Gazetteer Files.
- Weather — NOAA National Weather Service, fetched live in your browser.
- Map — OpenStreetMap contributors (ODbL).