🇺🇸 United States ZIP Code

STANDARD

58503

Bismarck

ZIP Code 58503 is a standard zip code serving Bismarck, Bismarck, North Dakota (ND), in Burleigh County, United States. It has an estimated population of 25,734 with a median household income of $81,341. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: North Dakota (ND)
County: Burleigh
City: Bismarck
Timezone: America/Chicago

Coordinates

Latitude: 46.839400
Longitude: -100.784300

Geographic Details

Land Area: 132.82 mi²
Water Area: 2.02 mi²
Population Density: 194.0 people per mi² (60th percentile)
Bounding Box: 46.997587°N, 46.822035°S, -100.581497°E, -100.939209°W

With 25,734 residents spread across 132.82 square miles, this area has a population density of 194.0 people per square mile.

Demographics

25,734

Population

85th percentile

$81,341

Median Income

90th percentile

$217,400

Median Home Value

75th percentile

132.82 mi²

Land Area

The median household income in 58503 is $81,341, and the median home value is $217,400. This places the area in the top 25% nationally for household income.

Housing

10,872

Total Units

10,381

Occupied Units

95.5%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Bismarck, ND.

58501

Bismarck

58502

Bismarck

58504

Bismarck

58505

Bismarck

58506

Bismarck

58507

Bismarck

Similar ZIP Codes in North Dakota

ZIP codes with similar median household income in North Dakota.

58718

Berthold

$72,500

58051

Kindred

$79,211

58785

Surrey

$70,385

58784

Stanley

$75,326

58801

Williston

$77,200

58278

Thompson

$83,750

58854

Watford City

$71,471

58722

Burlington

$71,125

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.