Residential delivery area · North Dakota
ZIP Code 58640: Killdeer, ND
ZIP code 58640 uses the postal name Killdeer, North Dakota and lies mostly in Dunn County (98% of its land) with the rest in Billings County (Census 2020 ZIP-county file). About 1,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $100,688 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Killdeer; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Killdeer · its only residential ZIP
- County
- Dunn County (98%); Billings County (1%)
- Census places
- Killdeer
- Micro area
- Dickinson, ND
- House district
- ND at large 119th Congress
- State
- North Dakota
- Time zone
- Mountain
- Land area
- 437.4 sq mi · 3 people per sq mi
Where is ZIP code 58640?
58640 centers on 47.454°, -102.905° and covers 437.4 square miles of land plus 1.1 of water. It borders 6 ZIP codes: 58626, 58642, 58634, 58757, 58627, 58854.
The map draws ZIP code areas only. For the streets inside 58640, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 58640 compare with the rest of Dunn County?
| Measure | 58640 | In Dunn County | In ND |
|---|---|---|---|
| People (ACS 2020-2024) | 1,369 | 3rd of 13 | 69th of 388 |
| Median household income | $101k | 1st of 4 | 9th of 73 |
| Median home value | $344k | 2nd of 4 | 6th of 82 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 8% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 58640?
The 2020 Census counted 1,500 people in 58640; the ACS, which samples households over 2020-2024, estimates 1,369. Between the 2010 and 2020 censuses its population grew 11.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,369±194 (90% margin)
- 2020 Census count
- 1,500+11.6% since 2010 (1,344)
- Households
- 490
- Median age
- 38.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 58640?
Of the 1,369 people the ACS estimates in 58640, 28.3% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.3%).
- Under 1828.3%
- 18 to 6452.8%
- 65 and older18.8%
- White, not Hispanic86.3%
- Other or two or more9.5%
- Hispanic or Latino3.8%
- Asian, not Hispanic0.4%
- Black, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 58640 earn?
Median household income is $100,688 (ACS 2020-2024), the highest of the 4 ranked ZIP codes in Dunn County. It is not measurably different from 2015-2019 ($118,098 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $100,688±$12,032
- Income per person
- $53,409
- Below the poverty line
- 6.6%
- Unemployed (of the labor force)
- 1.6%
- Adults 25+ with a bachelor's degree
- 29.9%
- Adjusted gross income per tax return, 2022
- $203,735860 returns; wages 28% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 58640?
- Median home value (owners' estimate)
- $343,700
- Median gross rent
- $869
- Homes owned by their occupants
- 78.6%
- Housing units
- 665
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 58640?
127 business establishments had a location in this ZIP code in 2023, 23 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing21
- Mining, quarrying, and oil and gas extraction20
- Construction14
- Retail trade13
- Other services (except public administration)12
- Accommodation and food services9
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 58640?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 58626 | Dunn Center | 482 | $93k | 15.1 mi |
| 58642 | Manning | 422 | $102k | 17.8 mi |
| 58634 | Grassy Butte | 402 | $158k | 21.4 mi |
| 58757 | Mandaree | 986 | $82k | 22.9 mi |
| 58627 | Fairfield | 189 | $93k | 22.9 mi |
| 58854 | Watford City | 9,368 | $99k | 28.3 mi |
| 58636 | Halliday | 918 | $62k | 26.5 mi (near) |
| 58847 | Keene | 209 | $85k | 30.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.