58503 ZIP Code — Bismarck, ND

Burleigh County, North Dakota

ZIP code 58503 is located in Bismarck, North Dakota, within Burleigh County. It covers approximately 135.57 square miles and serves a population of 36,944 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

About ZIP code 58503

The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $378,800. Owner-occupancy sits near the national average at 74%.

The gap between median ($101,618) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

36,944

population

135.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

58503 ZIP code map

Cities in ZIP code 58503

Below are the cities the US Postal Service accepts for ZIP code 58503. Using any city not on this list may result in mail delivery delays.

City	Status
Bismarck	Preferred

Nearby ZIP codes

58505 Bismarck (6.3 mi) 58501 Bismarck (6.4 mi) 58521 Baldwin (8.5 mi) 58558 Menoken (13 mi) 58504 Bismarck (14.7 mi) 58554 Mandan (17.7 mi) 58579 Wilton (18.4 mi)

Demographics updated 05/2026

Population
Total population	36,944
Population density	273 / sq mi
State FIPS	38
County FIPS	015

Geography
Land area	135.57 sq mi
Water area	2.29 sq mi
Latitude	46.9105
Longitude	-100.7600
Timezone	Central (CT)
Area code	701

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	32.1%	37.8%
$50k – $100k	32.0%	33.7%	32.8%
$100k – $200k	33.9%	27.4%	23.3%
Over $200k	10.0%	6.8%	6.0%

Demographics & statistics

36,944

Population

273

People per sq mi

39.1

Median age

$101,618

Median household income

$51,521

Per capita income

$378,800

Median home value

$1,108

Median monthly rent

74.2%

Home ownership

4.7%

Poverty rate

1.2%

Unemployment

11,983

Housing units

46.0%

Bachelor's or higher

Age distribution

Male Female

1,193

Under 5

1,275

1,346

5–9

1,438

1,253

10–14

1,338

1,080

15–19

1,153

964

20–24

1,029

1,994

25–34

2,130

2,634

35–44

2,815

1,918

45–54

2,050

1,060

55–59

1,132

1,244

60–64

1,330

1,796

65–74

1,918

916

75–84

978

465

85+

496

← Male

Female →

Age summary

Group	Count	%
Under 18	9,319	25.2%
18 and over	27,625	74.8%
65 and over	6,569	17.8%
Median age	39.1 years

Race & ethnicity

White 87.9%

Two or more races 4.6%

Hispanic or Latino 3%

Asian 1.5%

Black or African American 1.2%

American Indian / Alaska Native 1.1%

Other race 0.4%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	33,490	87.9%
Two or more races	1,761	4.6%
Hispanic or Latino	1,140	3%
Asian	570	1.5%
Black or African American	458	1.2%
American Indian / Alaska Native	406	1.1%
Other race	143	0.4%
Native Hawaiian / Pacific Islander	116	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	32.1%	37.8%
$50k – $100k	32.0%	33.7%	32.8%
$100k – $200k	33.9%	27.4%	23.3%
Over $200k	10.0%	6.8%	6.0%

Under $10k 2.4%

$10k–$15k 2.2%

$15k–$25k 4.8%

$25k–$35k 4.0%

$35k–$50k 8.1%

$50k–$75k 15.2%

$75k–$100k 12.4%

$100k–$150k 24.4%

$150k–$200k 13.3%

$200k+ 13.2%

Range	% of households
Under $10k	2.4%
$10k–$15k	2.2%
$15k–$25k	4.8%
$25k–$35k	4.0%
$35k–$50k	8.1%
$50k–$75k	15.2%
$75k–$100k	12.4%
$100k–$150k	24.4%
$150k–$200k	13.3%
$200k+	13.2%
Median income	$101,618

Housing

Home values

Under $50k 5.6%

$50k–$100k 2.1%

$100k–$150k 2.7%

$150k–$200k 4.8%

$200k–$300k 14.4%

$300k–$500k 50.4%

$500k–$1M 19.3%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$378,800
Median rent / month	$1,108
Owner occupied	74.2%
Renter occupied	25.8%
Vacant	5.1%
Single-family detached	56.4%
Large apartment buildings	17.2%
Mobile homes	7.5%
Median rooms	6.7
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	1.1%
2010–2019	33.0%
2000–2009	25.3%
1990–1999	15.4%
1980–1989	10.5%
1970–1979	10.0%
1960–1969	2.1%
1950–1959	0.5%
1940–1949	0.9%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	5.2%
2 bedrooms	24.6%
3 bedrooms	26.2%
4 bedrooms	25.4%
5+ bedrooms	17.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	26.7%
2 vehicles	39.7%
3 or more	27.9%

Heating fuel

Fuel type	%
Utility gas	65.5%
Electricity	27.1%
Propane / LP gas	5.0%
Fuel oil	0.4%
Wood	0.1%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	8,740	58.0%
Cohabiting couple	873	5.8%
Male householder, no spouse	1,925	12.8%
Female householder, no spouse	3,519	23.4%
Households with children under 18	5,023	33.4%
Households with seniors (65+)	4,541	30.2%
Average household size	2.43

Marital status

Status	Male	Female
Never married	25.1%	21.4%
Married	66.1%	58.2%
Separated	1.2%	0.6%
Widowed	1.9%	9.9%
Divorced	5.6%	9.9%

Education

Less than 9th grade 1.7%

Some HS, no diploma 2.1%

HS graduate 18.9%

Some college, no degree 14.8%

Associate's degree 16.6%

Bachelor's degree 32.8%

Graduate / professional 13.2%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	46.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	857	9.9%
Kindergarten	470	5.4%
Elementary school	4,174	48.1%
High school	1,745	20.1%
College / grad school	1,431	16.5%

Employment

Industry of employment

Education & healthcare 26.8%

Public administration 9.9%

Retail trade 9.8%

Professional & management 9.6%

Finance & real estate 8.4%

Construction 8.0%

Transportation & utilities 7.4%

Arts, food & hospitality 7.1%

Manufacturing 4.9%

Other services 3.6%

Agriculture & mining 2.7%

Wholesale trade 1.5%

Information 0.4%

Occupation

Category	%
Management, business & arts	52.0%
Service	11.9%
Sales & office	19.5%
Natural resources & construction	8.9%
Production & transportation	7.7%

Employment type

Type	%
Private sector	74.0%
Government	20.3%
Self-employed	5.3%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	82.9%
Carpool	8.7%
Public transit	0.3%
Walk	1.0%
Work from home	6.8%
Other means	0.3%
Avg commute (minutes)	18.3

Poverty

All people 4.7%

Under 18 years 3.2%

18 and over 5.2%

Married-couple families 1.6%

Female-led households 8.4%

Income support

Source	% of households
Social Security	30.8%
Retirement income	25.7%
Supplemental Security	2.8%
Cash public assistance	2.5%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	30.8%
High blood pressure	28.1%
High cholesterol	30.3%
Diabetes	7.6%
Heart disease	5.3%
Stroke	2.4%
Asthma	9.0%
Arthritis	21.5%
Kidney disease	2.4%
Pulmonary disease	4.8%
Cancer	6.7%

Behavior / access	%
Smoking	14.0%
Binge drinking	21.9%
No physical activity	19.4%
Less than 7 hrs sleep	26.3%
Depression	18.9%
Fair or poor health	9.3%
Poor mental health	11.5%
Poor physical health	7.3%
No health insurance	7.9%
Visited doctor (checkup)	69.4%
Visited dentist	73.1%
Cholesterol screening	89.7%
Teeth loss	9.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,624	5.9%

Disability	%
Any disability	10.6%
Under 18	3.6%
18–64 years	7.6%
65 and over	31.3%

Health insurance coverage

Type	%
Private insurance	87.6%
Public insurance	25.3%
No insurance	3.0%
Uninsured under 19	4.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	34,476	93.3%
Spanish	476	1.4%
Other Indo-European	35	0.1%
Asian & Pacific Islander	240	0.7%
Other languages	194	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	35,579	96.3%
Born in same state	35,233	95.4%
Born in different state	27,246	73.7%
Foreign born	346	0.9%
Naturalized citizen	1,365	3.7%
Not a US citizen	684	50.1%

Ancestry

Ancestry	Count	%
Polish	6,374	17.3%
Italian	2,385	6.5%
French	1,848	5%
Arab	811	2.2%

Ancestry	Count	%
English	442	1.2%
Dutch	268	0.7%
German	190	0.5%
Irish	169	0.5%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	95.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 58503

What city is ZIP code 58503 in?

ZIP code 58503 is primarily assigned to Bismarck, North Dakota.

What county is ZIP code 58503 in?

ZIP code 58503 falls within Burleigh County, North Dakota.

How educated is the population of ZIP code 58503?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 58503?

The median home value in ZIP code 58503 is $378,800.

What is the population of ZIP code 58503?

ZIP code 58503 has an estimated population of 36,944 residents, with a density of 273 people per square mile.

What is the median household income in ZIP code 58503?

The median household income in ZIP code 58503 is $101,618, above the national median of ~$75,000.

What timezone is ZIP code 58503 in?

ZIP code 58503 observes the CST timezone.