County ProfileSD
Brookings County
Population: 34,375 · 8 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
34,375
People
Median age
28
Housing
Total households
13,798
Income
Median household income
$70,064
Housing
Total housing units
15,179
Employment
Employment rate
66.3%
Education
Bachelor’s degree or higher
42.5%
Healthcare
Insured population
94.9%
County details
Local time 04:35:47(CT)| Name | Brookings |
|---|---|
| Total ZIP codes | 8total |
| ZIP codes (by type) | 6 Standard1 PO Box1 Unique |
| Area code | 605 |
| Timezone | Central Time (CT) |
| Coordinates | 44.3766745, -96.7977971 |
| Land area | 792.2 sq miles(2,051.8 km²) |
Map of Brookings county, South Dakota with ZIP codes
Cities and Communities in Brookings County
Compare the largest cities in Brookings 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 Brookings County
Review the most populated postal areas across Brookings County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
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