County association / NY

Nassau, New York

ZIP codes
91
Postal place names
63

Last successful directory check:

Record last changed

Record last changed:

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

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11001–11853 · This is the range of listed codes, not a continuous allocation or a delivery boundary.

Location overview

Overview

Nassau is a county-level name in the New York postal directory. Associated postal places include Great Neck, Port Washington, Hicksville.

Regional context
State / postal region
New York
Associated postal places
Great NeckPort WashingtonHicksville
Nassau County

Population overview

Estimated population
1,398,939
Reference year
2025

Population of the matched statistical area, not a ZIP delivery area.

Population data last successfully checked:

Definitions and update details

Reference date: July 1, 2025.

This estimate describes the matched statistical area, not a ZIP code, delivery boundary, or number of postal customers. A postal place name may cover a different area.

Estimate vintage: 2025

Source: Census PEP Vintage 2025 · county · EPA public republication

Population data last changed:

A successful check does not mean every record changed. Unchanged records keep their previous modification date. Times use UTC.

Read the guide ↗

Community snapshot

Estimates for the matched Census geography; not a sum of ZIPs.

Median household income
$146,202
ACS 2020–2024 · USD 2024
State reference · NY
$85,974
Median owner-occupied home value
$684,700
ACS 2020–2024 · USD 2024
State reference · NY
$423,800
Median monthly gross rent
$2,252
ACS 2020–2024 · USD 2024
State reference · NY
$1,621
Median age
42.0 years
ACS 2020–2024
State reference · NY
39.8 years
Period, uncertainty & data notes

More community indicators

Households
458,166
ACS 2020–2024
State reference · NY
7,722,646
Housing units
479,044
ACS 2020–2024
State reference · NY
8,585,241
Residents aged 65+
18.7%
ACS 2020–2024
State reference · NY
17.9%
Households with housing cost burden
21.7%
ACS 2017–2021
Households without broadband
8.0%
ACS 2017–2021

ACS five-year survey estimates; not live data. Each measure retains its own period and denominator. Income is in the final year’s inflation-adjusted US dollars. Missing is not zero.

Same-period state estimates are context, not a statistical significance test or a rating.

Home values describe owner-occupied homes, not recent sale prices. Gross rent is monthly and includes applicable utilities; it is not advertised rent.

Households include family and nonfamily households and correspond to occupied housing units. Housing units also include vacant units. Neither counts people, postal addresses or homes for sale; do not add overlapping areas.

Selected fields; unavailable codes normalized to missing. No endorsement implied.

Median household income · 2020–2024

Margin of error (90% confidence): ± 1,472 USD

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 402.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median owner-occupied home value · 2020–2024

Margin of error (90% confidence): ± 2,833 USD

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 1627.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median monthly gross rent · 2020–2024

Margin of error (90% confidence): ± 41 USD

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 7.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Median age · 2020–2024

Margin of error (90% confidence): ± 0.2 years

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 0.1 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · state

Content changed:

Households · 2020–2024

Margin of error (90% confidence): ± 1,227 Households

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 12717.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · households & housing units · state

Content changed:

Housing units · 2020–2024

Margin of error (90% confidence): ± 353 Housing units

State reference · NY · 2020–2024 · Margin of error (90% confidence): ± 652.0 · U.S. Census Bureau / Census Reporter · ACS 2020–2024 · households & housing units · state

Content changed:

Residents aged 65+ · 2020–2024

Margin of error (90% confidence): Not supplied by this source; not zero

State reference · NY · 2020–2024 · Margin of error (90% confidence): Not supplied by this source; not zero · U.S. Census Bureau / U.S. Environmental Protection Agency · ACS 2020–2024 · state

Content changed:

Households with housing cost burden · 2017–2021

Margin of error (90% confidence): ± 0.5 percentage points

Content changed:

Households without broadband · 2017–2021

Margin of error (90% confidence): ± 0.5 percentage points

Content changed:

Source & license

These statistical data are also available free from the linked sources. Use of the data or source links does not imply endorsement of ZIPSFIELD by the Census Bureau, CDC, HHS or the U.S. Government.

ZIPSFIELD / Interactive US postal explorer

Map & location

State statistics layer

State-level values, not ZIP-level values. Equal-width color bands; gray means unavailable. Select a state for details.

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First digit0123456789916 3-digit prefixes

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Dots summarize approximate ZIP locations grouped by state and three-digit prefix; they are not official delivery boundaries. Colors follow the first digit. Not every number in a displayed range is assigned. Alaska and island insets are relocated and use different scales.

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ZIP directory

Page 1 / 2
ZIPCityCounty associationView all
11001Floral ParkNassau↗
11002Floral ParkNassau↗
11003ElmontNassau↗
11010Franklin SquareNassau↗
11020Great NeckNassau↗
11021Great NeckNassau↗
11022Great NeckNassau↗
11023Great NeckNassau↗
11024Great NeckNassau↗
11026Great NeckNassau↗
11027Great NeckNassau↗
11030ManhassetNassau↗
11040New Hyde ParkNassau↗
11042New Hyde ParkNassau↗
11050Port WashingtonNassau↗
11051Port WashingtonNassau↗
11052Port WashingtonNassau↗
11053Port WashingtonNassau↗
11054Port WashingtonNassau↗
11055Port WashingtonNassau↗
11096InwoodNassau↗
11501MineolaNassau↗
11507AlbertsonNassau↗
11509Atlantic BeachNassau↗
11510BaldwinNassau↗
11514Carle PlaceNassau↗
11516CedarhurstNassau↗
11518East RockawayNassau↗
11520FreeportNassau↗
11530Garden CityNassau↗
11531Garden CityNassau↗
11542Glen CoveNassau↗
11545Glen HeadNassau↗
11547Glenwood LandingNassau↗
11548GreenvaleNassau↗
11549HempsteadNassau↗
11550HempsteadNassau↗
11551HempsteadNassau↗
11552West HempsteadNassau↗
11553UniondaleNassau↗
11554East MeadowNassau↗
11555UniondaleNassau↗
11556UniondaleNassau↗
11557HewlettNassau↗
11558Island ParkNassau↗
11559LawrenceNassau↗
11560Locust ValleyNassau↗
11561Long BeachNassau↗
11563LynbrookNassau↗
11565MalverneNassau↗
11566MerrickNassau↗
11568Old WestburyNassau↗
11569Point LookoutNassau↗
11570Rockville CentreNassau↗
11571Rockville CentreNassau↗
11572OceansideNassau↗
11575RooseveltNassau↗
11576RoslynNassau↗
11577Roslyn HeightsNassau↗
11579Sea CliffNassau↗
Postal details & data notes
ZIPs with coordinates
91
First / last ZIP in the directory
11001 / 11853

Common three-digit prefixes

Counts refer to this place; links explore the full prefix nationally. Endpoints do not imply every intervening ZIP exists. Postal names are not a count of incorporated municipalities.

Report a correction

ZIP codes organize mail delivery, not administrative boundaries. A code can have several city or county associations. Coordinates are approximate; verify delivery addresses with your carrier. Read the guide ↗

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