Brown County, SD ZIP Codes
16 ZIP codes cover all or part of Brown County, South Dakota. The Census Bureau counts 37,877 residents in the county, with a median household income of $70,898 and a median home value of $221,100. Median household income ranges from $68,835 in 57401 to $84,948 in 57445. Its largest communities include Aberdeen, Groton, Warner, Prairiewood Village and Hecla.
Brown County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 37,877 |
| Households | 16,285 |
| Median household income | $70,898 |
| Median home value | $221,100 |
| Median age | 37.8 |
| Median rent | $777 |
All 16 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 40,105 |
| Households (sum of ZIP codes) | 17,143 |
| Median household income, range across ZIP codes | $68,835 (57401) to $84,948 (57445) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,759 |
| Homeowners | 68.2% |
| Households with kids under 18 | 28.0% |
| Moved in the past year | 12.7% |
| Carrier routes in EDDM2GO's route library | 8 routes, 1,191 homes (6 of 16 ZIP codes) |
Top facts
- Highest median household income in Brown County: 57445 ($84,948)
- Most residents: 57401 (31,939 people)
- Highest homeownership: 57445 (76.8% own their home)
- Most households with kids: 58436 (32.6% of households)
- Most new movers: 58436 (22.1% moved in last year)
- Youngest median age: 58436 (34.7 years)
- Highest median home value: 57401 ($226,200)
Every ZIP code in Brown County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57401 | Aberdeen | 31,939 | 13,894 | $68,835 | $226,200 | 64.7% | 27.7% | 13.4% | — | — | 100% of its land |
| 57445 | Groton | 2,072 | 865 | $84,948 | $193,800 | 76.8% | 27.5% | 8.6% | — | — | 100% of its land |
| 58436 | Ellendale | 1,697 | 628 | $69,286 | $164,100 | 74.4% | 32.6% | 22.1% | 2 | 588 | 5% of its land |
| 57441 | Frederick | 670 | 240 | $108,009 | $152,100 | 87.9% | 43.8% | 8.5% | — | — | 100% of its land |
| 57479 | Warner | 625 | 232 | $102,222 | $256,300 | 94.8% | 45.3% | 2.3% | — | — | 100% of its land |
| 57432 | Claremont | 507 | 151 | $112,765 | $77,600 | 98.0% | 17.2% | 1.2% | 1 | 144 | 76% of its land |
| 57434 | Conde | 506 | 215 | $73,393 | — | 93.5% | 16.3% | 17.2% | 2 | 164 | 17% of its land |
| 57427 | Bath | 384 | 161 | $83,977 | $363,700 | 81.4% | 19.3% | 14.2% | — | — | 100% of its land |
| 57449 | Brown County | 357 | 110 | $150,000 | — | 40.9% | 49.1% | 11.5% | — | — | 100% of its land |
| 57433 | Columbia | 318 | 177 | $50,417 | — | 98.9% | 27.1% | 0.6% | — | — | 100% of its land |
| 57481 | Westport | 271 | 121 | $68,125 | $215,600 | 95.0% | 27.3% | 0.7% | — | — | 56% of its land |
| 57460 | Mansfield | 257 | 112 | $139,500 | $233,900 | 88.4% | 25.9% | 0.0% | 1 | 124 | 59% of its land |
| 57474 | Stratford | 237 | 84 | $100,833 | $204,700 | 96.4% | 40.5% | 0.8% | 1 | 101 | 82% of its land |
| 57446 | Hecla | 223 | 134 | $44,375 | $50,400 | 94.8% | 2.2% | 1.8% | 1 | 112 | 100% of its land |
| 57426 | Brown County | 42 | 19 | $78,875 | — | 100.0% | 15.8% | 0.0% | — | — | 100% of its land |
| 57439 | Ferney | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
A ZIP code is listed for Brown County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Aberdeen — 28,189 residents · 1 ZIP code
- Groton — 1,691 residents · 1 ZIP code
- Warner — 512 residents · 1 ZIP code
- Prairiewood Village — 474 residents · 1 ZIP code
- Hecla — 182 residents · 1 ZIP code
- Columbia — 161 residents · 1 ZIP code
- Frederick — 160 residents · 1 ZIP code
- Claremont — 106 residents · 1 ZIP code
- Westport — 93 residents · 1 ZIP code
- Bath — 91 residents · 1 ZIP code
- Bath Corner — 72 residents · 1 ZIP code
- Stratford — 62 residents · 1 ZIP code
- Grassland Colony — 15 residents · 1 ZIP code
- Hutterville Colony — 13 residents · 1 ZIP code
- Mansfield — 12 residents · 1 ZIP code
- Wetonka — 7 residents · 1 ZIP code
- Newport Colony — 0 residents · 1 ZIP code
- Ferney — 0 residents · 2 ZIP codes
- Long Lake Colony — 0 residents · 2 ZIP codes
Price a mailing to Brown County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Brown County, SD?
- 57401, 57445, 58436, 57441, 57479, 57432, 57434, 57427, 57449, 57433, 57481, 57460, 57474, 57446, 57426 and 57439. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Brown County?
- 37,877 residents in 16,285 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Brown County?
- $70,898 for the county as a whole. Its ZIP codes range from $68,835 (57401) to $84,948 (57445).
- Which Brown County ZIP code has the highest median household income?
- 57445, at $84,948, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Brown County?
- For the 6 of 16 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 1,191 residential and 42 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.