Postal Codes

18977 ZIP Code

Advertisement

English Español

ZIP code 18977 covers Washington Crossing, Pennsylvania, with a population of about 4,378 and a median household income of $215,313.

Population
4,378997 per square mile
Median age
55.817.1 points above the US average
Median household income
$215,3132.8× the Pennsylvania median
Poverty rate
1.2%11.2 points below the US average
Typical home value
$859,823up 34.1% in five years
Degree or higher
71.8%36.8 points above the US average
Homeownership
95%30 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
118

Where 18977 is

Washington Crossing, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,378
Median age55.8
Family households81.8%
Born outside the US6.2%
Speaks a language other than English at home10.4%
White (non-Hispanic)89.8%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)3.9%
Hispanic or Latino1.1%
Veterans6.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$215,313
Income per person$98,045
Poverty rate1.2%
Households on SNAP or cash assistance0.9%

Household income distribution

Under $10k0.5%
$10–15k1.8%
$15–20k1.0%
$20–25k1.4%
$25–30k3.2%
$30–35k0.0%
$35–40k1.6%
$40–45k1.3%
$45–50k0.7%
$50–60k1.1%
$60–75k3.2%
$75–100k6.3%
$100–125k8.8%
$125–150k7.9%
$150–200k9.8%
$200k or more51.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,230
Mean adjusted gross income$231,818
Returns declaring $200,000 or more35.4%
Returns, under $25k17.5%
Returns, $25k–$50k9.4%
Returns, $50k–$75k7.6%
Returns, $75k–$100k6.7%
Returns, $100k–$200k23.3%
Returns, $200k or more35.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$712,600
Rent as a share of household income19.8%
Owner-occupied95%
Vacant homes1.6%
Median year built1982

What the homes are

Detached house78.4%
Attached house19.5%
20 or more units2.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$859,823as of 2026-07
Typical home value, 1 yearup 6.1%
Typical home value, 5 yearsup 34.1%
Typical home value, 10 yearsup 67.2%
Typical home value since 2000
200020132026$859,823$288,057

$288,057 in 2000 to $859,823 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.5%
Bachelor's degree or higher71.8%
High school diploma or higher99.2%
Works from home34.1%
Drives to work alone53.9%
Takes public transport4.6%
Commutes 45 minutes or more31.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening77.6% 13.3 pts above the national average of 64.3%
Visited a dentist79.9% 18.6 pts above the national average of 61.3%
Mammography use80.9% 5 pts above the national average of 75.9%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
All natural teeth lost5% 8 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments118
People employed860
Annual payroll$40,334,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 71.8% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss82.2 out of 100
Community resilience69.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Ice storm90.4Relatively High at its worst in this ZIP code
River flooding89.9Relatively High at its worst in this ZIP code
Drought88.3Relatively Low at its worst in this ZIP code
Winter weather87.6Relatively High at its worst in this ZIP code
Landslide70.7Very Low at its worst in this ZIP code
Hurricane70.2Relatively Low at its worst in this ZIP code
Earthquake65.6Relatively Low at its worst in this ZIP code
Wildfire65.1Relatively Low at its worst in this ZIP code
Strong wind59.7Relatively Moderate at its worst in this ZIP code
Heat wave52.4Relatively Low at its worst in this ZIP code
Tornado51.4Relatively Low at its worst in this ZIP code
Cold wave48.8Relatively Moderate at its worst in this ZIP code
Lightning42.8Relatively Low at its worst in this ZIP code
Hail29.9Very Low at its worst in this ZIP code
Advertisement
Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$215,313$76,081$78,538
Income per person$98,045$43,104$43,289
Poverty rate1.2%11.8%12.4%
Median home value$712,600$240,500$303,400
Median gross rent$1,162$1,348
Homeownership95%69.3%65%
Bachelor's degree or higher71.8%34.5%35%
Unemployment rate2.5%5.2%5.2%
Works from home34.1%13.8%13.5%
Born outside the US6.2%7.4%13.9%
Median age55.840.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationTRENTON MERCER CO AP, NJ US5.3 km away
Rain in a year46 in
Snow in a year27 in

Average high and low by month

January39.7°F / 24.3°F3.29 in rain, 8.2 in snow
February42.8°F / 25.9°F2.65 in rain, 8.7 in snow
March50.8°F / 32.7°F4 in rain, 4 in snow
April62.9°F / 42.1°F3.63 in rain, 0.5 in snow
May72.4°F / 51.6°F3.99 in rain
June81°F / 60.9°F4.35 in rain
July86°F / 66.6°F4.42 in rain
August84°F / 64.8°F4.22 in rain
September77.1°F / 57.7°F4.05 in rain
October65.5°F / 45.9°F3.79 in rain, 0.1 in snow
November54.5°F / 36.3°F3.2 in rain, 0.5 in snow
December44.4°F / 29.3°F4.04 in rain, 4.6 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket100% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Council Rock School District92.1% of this ZIP code's land area
Pennsbury School District7.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability1more vulnerable than 1% of US census tracts
Socioeconomic status2more vulnerable than 2% of US census tracts
Household characteristics12more vulnerable than 12% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport3more vulnerable than 3% of US census tracts
Walkability6.9 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

08560 Titusville, NJ2.7 km away
08628 Trenton, NJ5.6 km away
18940 Newtown, PA7 km away
08534 Pennington, NJ8.9 km away
19067 Morrisville, PA9.5 km away
08618 Trenton, NJ9.7 km away
08638 Trenton, NJ10.5 km away
08530 Lambertville, NJ10.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Bucks County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area4.39 sq mi
Water area0.45 sq mi
Population density997 people per sq mi
Latitude, longitude40.2849, -74.8778

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement