Postal Codes

11556 ZIP Code

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ZIP code 11556 covers Uniondale, New York, with a population of about 0.

Population
0
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
157

Where 11556 is

Uniondale, New York — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population0
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments157
People employed2,929
Annual payroll$380,988,000
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 14.6% of US census tracts
FEMA ratingVery Low
Expected annual loss14.6 out of 100
Community resilience95.2 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.

Winter weather75.6Relatively Moderate at its worst in this ZIP code
Hurricane72.1Relatively Low at its worst in this ZIP code
Earthquake71.5Relatively Low at its worst in this ZIP code
Ice storm71.5Relatively Moderate at its worst in this ZIP code
Strong wind50.5Relatively Low at its worst in this ZIP code
Lightning48.4Relatively Low at its worst in this ZIP code
Heat wave42.9Relatively Low at its worst in this ZIP code
Cold wave42.6Relatively Low at its worst in this ZIP code
Landslide35.7Very Low at its worst in this ZIP code
Tornado25.6Very Low at its worst in this ZIP code
River flooding24.2Relatively Low at its worst in this ZIP code
Wildfire20.2Very Low at its worst in this ZIP code
Hail10.3Very Low at its worst in this ZIP code
Compared with New York 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 ZIPNew YorkUnited States
Median household income$84,578$78,538
Income per person$49,520$43,289
Poverty rate13.7%12.4%
Median home value$403,000$303,400
Median gross rent$1,576$1,348
Homeownership54.3%65%
Bachelor's degree or higher39.6%35%
Unemployment rate6.2%5.2%
Works from home13.3%13.5%
Born outside the US22.6%13.9%
Median age39.638.7
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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 stationMINEOLA, NY US2.8 km away
Rain in a year45 in
Snow in a year18 in

Average high and low by month

January41.6°F / 27.2°F3.65 in rain, 2.9 in snow
February44.1°F / 28.2°F3 in rain, 6.2 in snow
March51.1°F / 34.5°F4.41 in rain, 3.1 in snow
April62.1°F / 43.3°F3.75 in rain, 0.4 in snow
May71.9°F / 52.2°F3.13 in rain
June80.9°F / 61.5°F3.8 in rain
July86.5°F / 67.7°F4.04 in rain
August84.5°F / 66.1°F3.92 in rain
September77.5°F / 59.8°F4.08 in rain
October66.7°F / 49.2°F4.02 in rain
November55.9°F / 39.8°F3.35 in rain, 0.2 in snow
December46.5°F / 32.6°F4.18 in rain, 5.7 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 supermarketNone of this ZIP code
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.

Uniondale Union Free School District71.8% of this ZIP code's land area
East Meadow Union Free School District28.2% 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 vulnerability64more vulnerable than 64% of US census tracts
Socioeconomic status50more vulnerable than 50% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status90more vulnerable than 90% of US census tracts
Housing type and transport75more vulnerable than 75% of US census tracts
Walkability15.8 out of 20Most walkable
Nearby ZIP codes

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

11022 Great Neck, NY0 km away
11026 Great Neck, NY0 km away
11051 Port Washington, NY0 km away
11052 Port Washington, NY0 km away
11053 Port Washington, NY0 km away
11054 Port Washington, NY0 km away
11055 Port Washington, NY0 km away
11815 Hicksville, NY0 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.

Nassau County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area0.07 sq mi
Latitude, longitude40.7548, -73.6018

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.

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