Find your 5-digit ZIP code with complete neighborhood demographics — income, housing, education, and diversity data.
🇺🇸United States only
Loading map...
How to find your ZIP code
This tool finds the 5-digit ZIP code for any US location and displays comprehensive neighborhood demographics from the US Census Bureau. Use GPS for your current position, or search any address to explore different areas.
1
Allow location access or search an address
Click "Find My ZIP Code" to use GPS — your browser will ask permission. Or type any US address, city name, or landmark into the search box. You can also click directly on the map.
2
View your ZIP code and neighborhood data
The result card shows your 5-digit ZIP code with comprehensive demographics: population density, median income, home values, rent prices, education levels, employment stats, and diversity breakdown.
3
Compare different neighborhoods
Click anywhere on the US map to compare ZIP code demographics. Useful for researching neighborhoods when moving, comparing cost of living, or analyzing market areas.
What people use ZIP code lookup for
Researching neighborhoods before moving
Moving to a new city? Use this tool to compare neighborhoods. The demographic data reveals cost of living (income, home values, rent), community composition (age, education), and quality of life indicators (commute time, poverty rate). Search different addresses to find areas that match your lifestyle and budget.
EXAMPLE
Comparing San Francisco neighborhoods: Mission District (94110) shows median income $158,351, median home value $1.43M, 62% college educated, 31% Hispanic. Nearby Pacific Heights (94115) shows median income $151,524, home value $1.72M, 74% college educated, 11% Hispanic. Same city, very different demographics.
Filling out forms and applications
Job applications, account signups, and government forms require your ZIP code. When you're away from home or at an unfamiliar address, this tool gives you the correct ZIP instantly. The state boundary highlighting helps confirm you're looking at the right location.
EXAMPLE
At the Empire State Building (40.7484°N, 73.9856°W) → ZIP code 10001. The tower has its own USPS ZIP, 10118, but that is a non-geographic "unique" ZIP with no Census area of its own, so the map returns the ZIP Code Tabulation Area it sits inside — 10001, in New York County (Manhattan), NY. This ZIP has 30,511 residents with median income $129,852 — one of Manhattan's higher-income ZIP codes.
Market research and business planning
Businesses use ZIP code demographics for site selection, marketing targeting, and customer analysis. The tool shows population density, income distribution, home ownership rates, and diversity metrics — key factors for retail location, service area definition, and advertising strategy.
EXAMPLE
Analyzing a potential retail location in suburban Dallas: ZIP 75024 (Plano) shows population 45,652, median income $117,088, 38% home ownership, 72% college educated — a high-income, highly educated ZIP where most residents rent rather than own.
Real estate and property research
Real estate agents, investors, and homebuyers use ZIP demographics to evaluate properties. Compare median home values, rent prices, ownership rates, and economic indicators across neighborhoods. The poverty and unemployment rates help assess area stability.
EXAMPLE
Austin TX comparison: Downtown 78701 has median home value $884,884, rent $2,759, 45% ownership. Nearby suburb 78759 shows home value $673,620, rent $1,727, 47% ownership. Different price points and ownership patterns just miles apart.
Understanding community diversity
The diversity breakdown shows racial and ethnic composition, helping users understand community demographics for cultural research or policy analysis. Combined with education and income data, this paints a fuller community picture.
Understanding ZIP codes
ZIP (Zone Improvement Plan) codes were introduced by the Post Office Department — USPS's predecessor — on July 1, 1963, to speed mail sorting. The 5-digit code has a specific structure:
First digit (0-9): Region of states. 0-1 = Northeast, 2-3 = Mid-Atlantic/Southeast, 4 = Great Lakes, 5-6 = Plains/South Central, 7 = South Central, 8 = Mountain West, 9 = Pacific.
Digits 2-3: Sectional center facility (SCF) — a mail processing hub that serves a geographic area.
Digits 4-5: Specific post office or delivery zone within the SCF area.
ZIP code boundaries don't follow county, city, or neighborhood lines — they follow mail delivery routes. A single ZIP might cross city or county boundaries, and one city might contain dozens of different ZIPs.
There are 41,545 USPS ZIP codes in the US, ranging from 00501 (Holtsville, NY — an IRS processing center) to 99950 (Ketchikan, AK). The demographic data shown covers the 33,169 ZIP Code Tabulation Areas (ZCTAs) with Census population data.
Notable ZIP codes by demographic
These tiles are drawn only from ZIP codes with 10,000 or more residents, so a small-sample outlier — a university-campus ZIP where nearly everyone is a student, for instance — can't claim a record on a handful of people.
Most Populated
Katy, TX (77494)
140,157 residents — the most-populated US ZIP code with Census population data.
Highest Bachelor's-degree Share
Short Hills, NJ (07078)
93% hold a bachelor's degree or higher — the highest among ZIP codes with 10,000+ residents.
Highest Population Density
New York, NY (10028)
59,856 residents per square mile — the densest ZIP code with 10,000+ residents.
Understanding the demographic data
Income and economics
Median household income shows the middle point — half of households earn more, half earn less. More reliable than averages, which get skewed by outliers. Each result shows where a ZIP sits among all US ZIP codes as a percentile. Home values and rent indicate cost of living and housing market conditions.
Housing patterns
Home ownership rate is the share of occupied homes lived in by an owner rather than a renter. It varies dramatically by area type — apartment-dense urban ZIPs sit low, owner-occupied suburbs sit high — and each result shows the ZIP's percentile among US ZIP codes. Housing units shows total dwellings regardless of occupancy.
Education and employment
College educated combines bachelor's and graduate degrees; tech hubs and college towns rank near the top. Unemployment rate and poverty rate indicate economic health — each result shows the ZIP's percentile among US ZIP codes.
Diversity metrics
Racial/ethnic percentages show community composition. Hispanic is counted separately as an ethnicity (can be any race). Each share is reported alongside the ZIP's White, Black, and Asian percentages so the makeup is shown as data, not a characterization.
Related tools and resources
For finding your county (for jury duty, property records, or voting), use What County Am I In?. Counties are administrative divisions that don't align with ZIP codes.
Need to understand state-level information like taxes, electoral votes, or government? What State Am I In? shows comprehensive state data including tax rates and political representation.
To find all ZIP codes within a certain distance of a location, use Find ZIP Codes in Radius. This helps with market research, service area planning, and delivery logistics.
For international locations where ZIP codes don't apply, the What City Am I In? tool identifies cities, regions, and countries worldwide.
Frequently asked questions
ZIP codes are required for mail delivery, shipping, tax forms (W-2, 1099), voter registration, insurance quotes, and many online forms. They also determine local sales tax rates, delivery zones, and service availability. Beyond mail, ZIP codes are used to analyze demographics, set insurance premiums, and determine school districts.
This tool displays comprehensive Census data including: population and density, median household income, median home value, average rent, home ownership rate, college education rate, unemployment rate, poverty rate, average commute time, and racial/ethnic diversity breakdown.
ZIP codes don't follow strict geographic boundaries — they're mail delivery routes. Your GPS location might be in a different ZIP than your mailing address, especially in rural areas or near ZIP boundaries. For mail purposes, use the ZIP assigned to your street address by USPS.
No. ZIP codes are a US-only postal system. Other countries use different formats: Canada has 6-character alphanumeric codes (A1A 1A1), UK uses variable-length postcodes (SW1A 1AA), Australia uses 4-digit postcodes. For international locations, try our What City Am I In tool.
The basic 5-digit ZIP code identifies a general delivery area (this tool shows 5-digit ZIPs). ZIP+4 (e.g., 10001-2345) adds four digits specifying a more precise location — down to a city block, building, or floor. For ZIP+4, use the USPS website.
Demographic data comes from the US Census Bureau's American Community Survey (ACS) 5-year estimates. This is the same data used by government agencies, researchers, and businesses. Some small-population ZIPs may have less reliable estimates due to sampling margins.
ZIP codes can represent very different communities even when geographically close. Income variation reflects differences in housing stock, historical development patterns, school districts, and local employment. Urban areas often show dramatic contrasts between adjacent ZIPs.
Technically no — each address has one assigned ZIP code. However, some locations might return different ZIPs depending on GPS position due to boundary proximity. Large buildings, universities, and military bases sometimes have their own unique ZIP codes.
Some ZIPs serve special purposes: P.O. Box-only ZIPs have few or no residents, corporate ZIPs serve single large mailers, and military APO/FPO ZIPs serve overseas bases. Rural ZIPs may have small populations spread over large areas.
Metro area refers to the Census Bureau's Core-Based Statistical Area (CBSA). If your ZIP shows "Metro Area", it's part of an urban core with 50,000+ population plus adjacent communities with strong commuting ties. Non-metro ZIPs are typically rural.
USPS occasionally modifies ZIP boundaries as population shifts. Demographics are updated annually by the Census Bureau. This tool uses recent Census data, but for critical applications (legal documents, property records), verify with official sources.
Home ownership rates vary based on housing type (apartments vs houses), cost of living, local demographics (age, income), and regional patterns. Urban cores typically have lower ownership due to rental buildings, while suburbs show higher rates.
Data sources & methodology
ZIP code and demographic data comes from SimpleMaps US ZIP Codes database, derived from US Census Bureau American Community Survey (ACS) 5-year estimates. This includes income, housing, education, employment, and diversity statistics for the 33,169 ZIP Code Tabulation Areas with Census population data. Reverse geocoding uses Nominatim with OpenStreetMap data. Timezone lookup uses geo-tz with IANA timezone database. Map rendering uses MapLibre GL JS with OpenFreeMap tiles.
ZIP code data: SimpleMaps US Zip Codes Database v1.95.1 (8 Jul 2026). ZIP lists use the free version (CC BY 4.0); demographics come from the licensed Comprehensive version. Population: American Community Survey 2024 5-year estimates. Coordinates are the geometric centroids of Census ZIP Code Tabulation Areas (2010 ZCTA boundaries).