Zip code 58640: Killdeer, North Dakota

Q: What city is zip code 58640?

58640 is assigned to Killdeer, North Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 58640 in?

58640 is mostly in Dunn County, but it extends into 2 other counties.

Q: What is the population of 58640?

About 1,369 people live in 58640, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 58640?

The median household income in 58640 is $100,688.

Q: What zip codes are near 58640?

The closest zip codes to 58640 are 58626, 58642, 58634, 58627, 58757.

Residential delivery areaDunn CountyMountain Time

Population

1,369

Median household income

$101K

U.S. $81K

Median home value

$344K

U.S. $333K

Median rent

$869/mo

U.S. $1,413

Median age

38.6

U.S. 38.9

Land area

437 sq mi

3 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 58640

58640 is a rural zip code in Killdeer, North Dakota (Dunn County), covering 437 sq mi of land. About 1,369 people live here, or 3 per square mile. The median resident is 38.6 years old, compared with 38.9 nationally.

The median household earns $100,688 a year, 25% above the national median of $80,734. 6.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $343,700, or 3.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 79% of occupied homes are lived in by their owners, and renters pay a median of $869 a month.

30% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24.6 minutes each way, and 24% of workers work from home. The most common jobs among working residents are in management; transportation and moving goods; and construction and repair. 23% of them are self-employed (U.S.: 10%).

How 58640 compares

Sorted from highest to lowest national percentile

Self-employed workers23.3%
99th
U.S. 10% · ND 11.3%124th of 345 in ND
Housing vacancy26.3%
97th
U.S. 10.1% · ND 12.3%93rd of 342 in ND
Veterans11.2%
93rd
U.S. 6.2% · ND 7.1%65th of 345 in ND
Residents under 1828.3%
92nd
U.S. 22% · ND 23.5%96th of 345 in ND
Work from home24.3%
87th
U.S. 15.1% · ND 8.1%25th of 345 in ND
Uninsured rate12.9%
83rd
WeaknessU.S. 8.4% · ND 6.5%37th of 343 in ND
Per capita income$53,409
77th
U.S. $44,673 · ND $43,38950th of 345 in ND
Income inequality (Gini)0.469
76th
U.S. 0.483 · ND 0.45784th of 342 in ND
Homeownership rate78.6%
75th
U.S. 65.2% · ND 62.9%208th of 342 in ND
Median household income$100,688
72nd
U.S. $80,734 · ND $76,65765th of 328 in ND
Residents 65 and older18.8%
66th
U.S. 17.2% · ND 16.5%211th of 345 in ND
Government workers15.9%
65th
U.S. 14.5% · ND 17.3%179th of 345 in ND
Median earnings per worker$50,536
57th
U.S. $49,666 · ND $49,097171st of 345 in ND
Median home value$343,700
52nd
U.S. $332,700 · ND $249,90017th of 311 in ND
Median age38.6
47th
U.S. 38.9 · ND 35.9225th of 345 in ND
Bachelor's degree or higher29.9%
46th
U.S. 35.7% · ND 32.7%106th of 344 in ND
Average commute24.6 min
40th
U.S. 26.4 min · ND 17.9 min125th of 337 in ND
Broadband access89.8%
33rd
U.S. 91% · ND 88.7%147th of 342 in ND
Poverty rate6.6%
22nd
U.S. 12.5% · ND 10.8%196th of 342 in ND
Healthcare workers7.4%
20th
U.S. 9.7% · ND 10.8%170th of 345 in ND
Diversity index24.9
18th
U.S. 61.4 · ND 32.584th of 345 in ND
Median gross rent$869
11th
U.S. $1,413 · ND $95462nd of 210 in ND
Foreign-born residents1.3%
8th
U.S. 14.1% · ND 4.7%160th of 345 in ND
Unemployment rate1.6%
3rd
StrengthU.S. 5.2% · ND 2.8%150th of 345 in ND
Population1,369
2nd
U.S. 334,922,499 · ND 784,84169th of 345 in ND
Population density3/sq mi
1st
U.S. 95/sq mi · ND 11/sq mi162nd of 345 in ND
Rent-burdened renters12.4%
1st
StrengthU.S. 51.1% · ND 38.9%201st of 291 in ND
Tech workers0%
1st
U.S. 3.8% · ND 2%193rd of 345 in ND

Measure	58640	Dunn	ND	U.S.	National percentile	Rank in ND
Self-employed workers	23.3%	21.5%	11.3%	10%	99th	124th of 345
Housing vacancy	26.3%	24.8%	12.3%	10.1%	97th	93rd of 342
Veterans	11.2%	8.9%	7.1%	6.2%	93rd	65th of 345
Residents under 18	28.3%	26.1%	23.5%	22%	92nd	96th of 345
Work from home	24.3%	17%	8.1%	15.1%	87th	25th of 345
Uninsured rateWeakness	12.9%	14.8%	6.5%	8.4%	83rd	37th of 343
Per capita income	$53,409	$54,172	$43,389	$44,673	77th	50th of 345
Income inequality (Gini)	0.469	0.488	0.457	0.483	76th	84th of 342
Homeownership rate	78.6%	74.3%	62.9%	65.2%	75th	208th of 342
Median household income	$100,688	$97,689	$76,657	$80,734	72nd	65th of 328
Residents 65 and older	18.8%	19.5%	16.5%	17.2%	66th	211th of 345
Government workers	15.9%	16.5%	17.3%	14.5%	65th	179th of 345
Median earnings per worker	$50,536	$50,922	$49,097	$49,666	57th	171st of 345
Median home value	$343,700	$275,000	$249,900	$332,700	52nd	17th of 311
Median age	38.6	40.4	35.9	38.9	47th	225th of 345
Bachelor's degree or higher	29.9%	25.2%	32.7%	35.7%	46th	106th of 344
Average commute	24.6 min	27.6 min	17.9 min	26.4 min	40th	125th of 337
Broadband access	89.8%	89.5%	88.7%	91%	33rd	147th of 342
Poverty rate	6.6%	7.4%	10.8%	12.5%	22nd	196th of 342
Healthcare workers	7.4%	6.3%	10.8%	9.7%	20th	170th of 345
Diversity index	24.9	36.9	32.5	61.4	18th	84th of 345
Median gross rent	$869	$922	$954	$1,413	11th	62nd of 210
Foreign-born residents	1.3%	3%	4.7%	14.1%	8th	160th of 345
Unemployment rateStrength	1.6%	3.4%	2.8%	5.2%	3rd	150th of 345
Population	1,369	4,040	784,841	334,922,499	2nd	69th of 345
Population density	3/sq mi	2/sq mi	11/sq mi	95/sq mi	1st	162nd of 345
Rent-burdened rentersStrength	12.4%	11.5%	38.9%	51.1%	1st	201st of 291
Tech workers	0%	0.1%	2%	3.8%	1st	193rd of 345

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

22%

5–17

18–24

13%

25–34

12%

35–44

45–54

13%

55–64

12%

65–74

75+

Median age

38.6

Under 18

28.3%

65 and over

18.8%

Race and ethnicity

White86%
Black0%
Hispanic4%
Asian0.4%
Native American2%
Pacific Islander0%
Other2%
Multiracial5%

Diversity index

24.9

U.S. 61.4

Foreign-born

1.3%

U.S. 14.1%

Born in state

52.3%

Language spoken at home (households)

English only

81%

Spanish

Other Indo-European

Asian / Pacific

Other

10%

Households

Households: 490
Average household size: 2.7
Family households: 61.2%
Married couples: 55.3%
Living alone: 36.1%
Veterans (of adults): 11.2%
Male / female: 57% / 43%

Income and poverty

Household income distribution

<$25k

$25–50k

18%

$50–75k

$75–100k

18%

$100–150k

19%

$150–200k

14%

$200k+

19%

Median household income

58640

$100,688

Dunn Co.

$97,689

North Dakota

$76,657

United States

$80,734

Per capita income

$53,409

U.S. $44,673

Poverty rate

6.6%

U.S. 12.5%

Households earning $150K+

33.5%

U.S. 23%

Income inequality (Gini)

0.469

U.S. 0.483

Housing

Median home value

58640

$343,700

Dunn Co.

$275,000

North Dakota

$249,900

United States

$332,700

Median gross rent

58640

$869

Dunn Co.

$922

North Dakota

$954

United States

$1,413

Types of housing

Single-family

68%

2–4 units

0.3%

5–19 units

20+ units

Mobile home

19%

Boat, RV, van

Housing units: 665
Owner-occupied: 78.6%
Vacant: 26.3%
Median year built: 1981
Median rooms: 6.3
Renters paying 30%+ of income: 12.4%
Renters paying 50%+ of income: 0%
Home value to income: 3.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

60%

Carpooled

Transit

Walked

Bicycle

Worked from home

24%

Other

Commute time (one way)

<10 min

57%

10–19

10%

20–29

30–44

12%

45–59

60+

10%

Average commute

24.6 min

U.S. 26.4 min

Unemployment

1.6%

U.S. 5.2%

In labor force

61.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

22%

Transportation and moving

15%

Construction and repair

14%

Office and admin

Healthcare

Food service

Education

Production

Sales

Business and finance

Farming, fishing and forestry

Cleaning and personal care

Legal and social services

0.8%

Engineering and science

0.5%

Computer and math

Arts, media and sports

Police and fire

Industries

Transportation, warehousing and utilities

18%

Agriculture and mining

18%

Construction

12%

Education

10%

Retail

10%

Health care and social assistance

Public administration

Restaurants and hotels

Manufacturing

Other services

Professional and technical services

0.3%

Finance, insurance and real estate

0.3%

Admin, support and management

Wholesale

Information

Arts and recreation

Median earnings per worker

$50,536

U.S. $49,666

Self-employed

23.3%

U.S. 10%

Government workers

15.9%

U.S. 14.5%

Nonprofit workers

5.2%

U.S. 8.8%

Median earnings by type of work

Type of work	58640	U.S.
Management, business, science and arts	$50,491	$74,888
Service	$7,440	$26,804
Sales and office	$50,250	$40,476
Construction and maintenance	$52,102	$49,199
Production and transportation	$77,550	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

24%

Some college

19%

Associate's

20%

Bachelor's

22%

Graduate

High school graduate or higher: 93.4%
Bachelor's degree or higher: 29.9%
Graduate or professional degree: 8.3%
Households with broadband: 89.8%
Cable, fiber or DSL: 84.1%
No internet access: 1.6%
Without health insurance: 12.9%
Limited-English households: 11%

Geography

City (USPS): Killdeer
State: North Dakota
County: Dunn County
Center point: 47.4537° N, 102.9054° W
Land area: 437 sq mi
Water area: 1.2 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

58640 spans 3 counties

Dunn County98% of land
Billings County1% of land
McKenzie County1% of land

Zip codes near 58640

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
58626	Dunn Center, ND	15 mi	482	$93,224	$237,500
58642	Manning, ND	18 mi	422	$101,700	$276,100
58634	Grassy Butte, ND	21 mi	402	$157,750	—
58627	Fairfield, ND	23 mi	189	$93,036	$345,800
58757	Mandaree, ND	23 mi	986	$81,500	$200,000
58636	Halliday, ND	27 mi	918	$62,222	$141,300
58854	Watford City, ND	28 mi	9,368	$99,000	$388,700
58847	Keene, ND	30 mi	209	$84,950	$102,800
58835	Arnegard, ND	32 mi	839	$137,500	$375,000
58644	Marshall, ND	34 mi	19	—	—
58625	Dodge, ND	36 mi	231	—	—
58601	Dickinson, ND	38 mi	29,916	$85,821	$278,800

Zip codes like 58640 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 58640

What city is zip code 58640?

58640 is assigned to Killdeer, North Dakota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 58640 in?

58640 is mostly in Dunn County, but it extends into 2 other counties.

What is the population of 58640?

About 1,369 people live in 58640, according to the Census Bureau's American Community Survey.

What time zone is 58640 in?

58640 is in Mountain Time.

What is the median household income in 58640?

The median household income in 58640 is $100,688.

What zip codes are near 58640?

The closest zip codes to 58640 are 58626, 58642, 58634, 58627, 58757.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 58640, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.