🇺🇸 United States ZIP Code

STANDARD

49004

Kalamazoo

ZIP Code 49004 is a standard zip code serving Kalamazoo, Kalamazoo, Michigan (MI), in Kalamazoo County, United States. It has an estimated population of 15,645 with a median household income of $46,828. The area falls within the America/Detroit timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Michigan (MI)
County: Kalamazoo
City: Kalamazoo
Timezone: America/Detroit

Coordinates

Latitude: 42.351800
Longitude: -85.562100

Geographic Details

Land Area: 21.08 mi²
Water Area: 0.14 mi²
Population Density: 742.0 people per mi² (75th percentile)
Bounding Box: 42.405387°N, 42.303240°S, -85.504139°E, -85.648307°W

With 15,645 residents spread across 21.08 square miles, this area has a population density of 742.0 people per square mile.

Demographics

15,645

Population

75th percentile

$46,828

Median Income

45th percentile

$106,700

Median Home Value

35th percentile

21.08 mi²

Land Area

The median household income in 49004 is $46,828, and the median home value is $106,700.

Housing

6,782

Total Units

6,341

Occupied Units

93.5%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Kalamazoo, MI.

49001

Kalamazoo

49003

Kalamazoo

49005

Kalamazoo

49006

Kalamazoo

49007

Kalamazoo

49008

Kalamazoo

49009

Kalamazoo

49019

Kalamazoo

49048

Kalamazoo

Similar ZIP Codes in Michigan

ZIP codes with similar median household income in Michigan.

48416

Brown City

$43,397

48659

Sterling

$44,315

49855

Marquette

$45,969

49038

Coloma

$44,913

49446

New Era

$47,179

49454

Scottville

$41,364

48729

Deford

$40,417

48036

Clinton Township

$45,573

Frequently Asked Questions

What information is available for each ZIP code?

Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).

What are the different types of ZIP codes?

There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.

How often is ZIP code data updated?

ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.

What is population density and why does it matter?

Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.

How are ZIP code boundaries determined?

ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.

What does median household income tell me about a ZIP code?

Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.