County ProfileND
Williams County
Population: 40,950 · 12 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
40,950
People
Median age
31.8
Housing
Total households
15,154
Income
Median household income
$85,595
Housing
Total housing units
20,376
Employment
Employment rate
70%
Education
Bachelor’s degree or higher
24.4%
Healthcare
Insured population
88.5%
County details
Local time 01:49:02(CT)| Name | Williams |
|---|---|
| Total ZIP codes | 12total |
| ZIP codes (by type) | 9 Standard3 PO Box |
| Area code | 701 |
| Timezone | Central Time (CT) |
| Coordinates | 48.3557649, -103.5013332 |
| Land area | 2,077.6 sq miles(5,381 km²) |
Map of Williams county, North Dakota with ZIP codes
Cities and Communities in Williams County
Compare the largest cities in Williams County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Williams County
Review the most populated postal areas across Williams County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 58801 | Williston | $84,702 | 34,921 |
| 58852 | Tioga | $80,595 | 2,822 |
| 58849 | Ray | $82,250 | 1,226 |
| 58843 | Epping | $118,750 | 743 |
| 58853 | Trenton | $107,969 | 485 |
| 58845 | Grenora | $91,806 | 392 |
| 58830 | Alamo | $54,063 | 237 |
| 58795 | Wildrose | $117,344 | 233 |
| 58856 | Zahl | $104,688 | 187 |
| 58755 | Mcgregor | $138,705 | 150 |
| 58802 | Williston | — | — |
| 58803 | Williston | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS