58365 ZIP Code — Rocklake, ND

Towner County, North Dakota

ZIP code 58365 is located in Rocklake, North Dakota, within Towner County. It covers approximately 207.74 square miles and serves a population of 167 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 701.

167

population

207.74

sq mi land

Standard

ZIP type

Central (CT)

timezone

58365 ZIP code map

Cities in ZIP code 58365

Below are the cities the US Postal Service accepts for ZIP code 58365. Using any city not on this list may result in mail delivery delays.

City	Status
Rocklake	Acceptable
Rocklake	Preferred

Nearby ZIP codes

58372 Sarles (11 mi) 58367 Rolla (15.4 mi) 58331 Egeland (15.9 mi) 58352 Munich (18.7 mi)

Demographics updated 05/2026

Population
Total population	167
Population density	1 / sq mi
State FIPS	38
County FIPS	095

Geography
Land area	207.74 sq mi
Water area	4.78 sq mi
Latitude	48.8518
Longitude	-99.1975
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	47.8%	50.6%	37.8%
$50k – $100k	38.1%	28.9%	32.8%
$100k – $200k	12.4%	16.2%	23.3%
Over $200k	1.8%	4.3%	6.0%

Demographics & statistics

167

Population

People per sq mi

55.0

Median age

$54,464

Median household income

$32,995

Per capita income

$61,400

Median home value

$515

Median monthly rent

75.2%

Home ownership

19.2%

Poverty rate

0.0%

Unemployment

117

Housing units

18.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

20–24

25–34

35–44

45–54

55–59

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	8	4.8%
18 and over	159	95.2%
65 and over	61	36.5%
Median age	55.0 years

Race & ethnicity

White 93.4%

Two or more races 6%

American Indian / Alaska Native 0.6%

Group	Count	%
White	156	93.4%
Two or more races	10	6%
American Indian / Alaska Native	1	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.8%	50.6%	37.8%
$50k – $100k	38.1%	28.9%	32.8%
$100k – $200k	12.4%	16.2%	23.3%
Over $200k	1.8%	4.3%	6.0%

Under $10k 17.8%

$10k–$15k 5.9%

$15k–$25k 2.0%

$25k–$35k 16.8%

$35k–$50k 1.0%

$50k–$75k 29.7%

$75k–$100k 16.8%

$100k–$150k 7.9%

$150k–$200k 2.0%

Range	% of households
Under $10k	17.8%
$10k–$15k	5.9%
$15k–$25k	2.0%
$25k–$35k	16.8%
$35k–$50k	1.0%
$50k–$75k	29.7%
$75k–$100k	16.8%
$100k–$150k	7.9%
$150k–$200k	2.0%
Median income	$54,464

Housing

Home values

Under $50k 44.7%

$50k–$100k 40.8%

$100k–$150k 13.2%

$150k–$200k 1.3%

Housing overview

Metric	Value
Median home value	$61,400
Median rent / month	$515
Owner occupied	75.2%
Renter occupied	24.8%
Vacant	28.9%
Single-family detached	82.4%
Large apartment buildings	0.0%
Mobile homes	7.7%
Median rooms	5.8
Avg household size (owned)	1.82

Year built

Era	%
2020 or later	0.7%
2010–2019	0.0%
2000–2009	4.2%
1990–1999	0.7%
1980–1989	4.2%
1970–1979	42.3%
1960–1969	14.8%
1950–1959	6.3%
1940–1949	19.0%
1939 or earlier	7.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.6%
2 bedrooms	44.4%
3 bedrooms	22.5%
4 bedrooms	17.6%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	25.7%
2 vehicles	64.4%
3 or more	9.9%

Heating fuel

Fuel type	%
Electricity	82.2%
Propane / LP gas	17.8%

Households & families

Household type	Count	%
Married-couple family	53	52.5%
Cohabiting couple	0	0.0%
Male householder, no spouse	30	29.7%
Female householder, no spouse	18	17.8%
Households with children under 18	6	5.9%
Households with seniors (65+)	45	44.6%
Average household size	1.65

Marital status

Status	Male	Female
Never married	20.7%	1.5%
Married	68.5%	71.6%
Separated	0.0%	3.0%
Widowed	7.6%	11.9%
Divorced	3.3%	11.9%

Education

Less than 9th grade 0.7%

Some HS, no diploma 18.4%

HS graduate 19.1%

Some college, no degree 25.0%

Associate's degree 18.4%

Bachelor's degree 15.1%

Graduate / professional 3.3%

Metric	%
HS diploma or higher	80.9%
Bachelor's or higher	18.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	6	100.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 24.8%

Agriculture & mining 15.2%

Construction 13.3%

Professional & management 13.3%

Manufacturing 6.7%

Finance & real estate 6.7%

Other services 6.7%

Transportation & utilities 4.8%

Retail trade 3.8%

Wholesale trade 2.9%

Public administration 1.9%

Occupation

Category	%
Management, business & arts	56.2%
Service	8.6%
Sales & office	7.6%
Natural resources & construction	8.6%
Production & transportation	19.0%

Employment type

Type	%
Private sector	52.4%
Government	21.9%
Self-employed	25.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.8%
Carpool	1.0%
Public transit	0.0%
Walk	0.0%
Work from home	15.2%
Other means	0.0%
Avg commute (minutes)	24.0

Poverty

All people 19.2%

Under 18 years 0.0%

18 and over 20.1%

Married-couple families 13.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	27.7%
Retirement income	14.9%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	1.0%

Health indicators

Condition	%
Obesity	37.8%
High blood pressure	39.2%
High cholesterol	35.8%
Diabetes	11.9%
Heart disease	8.3%
Stroke	3.7%
Asthma	9.2%
Arthritis	28.8%
Kidney disease	3.4%
Pulmonary disease	7.8%
Cancer	8.1%

Behavior / access	%
Smoking	20.8%
Binge drinking	19.0%
No physical activity	28.8%
Less than 7 hrs sleep	28.9%
Depression	18.4%
Fair or poor health	15.1%
Poor mental health	12.3%
Poor physical health	10.8%
No health insurance	10.1%
Visited doctor (checkup)	71.7%
Visited dentist	59.3%
Cholesterol screening	90.3%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	19	11.9%

Disability	%
Any disability	17.4%
Under 18	0.0%
18–64 years	12.2%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	74.3%
Public insurance	39.5%
No insurance	3.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	165	98.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	167	100.0%
Born in same state	167	100.0%
Born in different state	132	79.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	37	22.2%
Italian	15	9%

Ancestry	Count	%
French	3	1.8%

Technology access

Metric	% of households
Computer access	60.5%
Internet access	91.1%

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

Frequently asked questions about ZIP code 58365

What city is ZIP code 58365 in?

ZIP code 58365 is primarily assigned to Rocklake, North Dakota.

What county is ZIP code 58365 in?

ZIP code 58365 falls within Towner County, North Dakota.

Does ZIP code 58365 have an older population?

37% of residents in ZIP code 58365 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 58365?

19% of residents in ZIP code 58365 live below the poverty line, above the national average.

Does ZIP code 58365 have a large veteran population?

12% of civilians in ZIP code 58365 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 58365?

The median home value in ZIP code 58365 is $61,400.

What timezone is ZIP code 58365 in?

ZIP code 58365 observes the CST timezone.