Bennett County, SD ZIP Codes
4 ZIP codes cover all or part of Bennett County, South Dakota: 57551, 57714, 57560 and 57574. The Census Bureau counts 3,345 residents in the county, with a median household income of $53,750 and a median home value of $156,400. Its largest communities include Martin and Allen.
Bennett County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 3,345 |
| Households | 920 |
| Median household income | $53,750 |
| Median home value | $156,400 |
| Median age | 27.4 |
| Median rent | $617 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 3,692 |
| Households (sum of ZIP codes) | 1,021 |
| Median household income, range across ZIP codes | $70,096 (57551) to $70,096 (57551) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,096 |
| Homeowners | 59.9% |
| Households with kids under 18 | 40.6% |
| Moved in the past year | 2.2% |
| Carrier routes in EDDM2GO's route library | 5 routes, 91 homes (3 of 4 ZIP codes) |
Top facts
- Most residents: 57551 (2,084 people)
- Highest homeownership: 57551 (64.9% own their home)
- Most households with kids: 57714 (65.9% of households)
- Most new movers: 57551 (2.6% moved in last year)
- Youngest median age: 57714 (21.7 years)
- Highest median home value: 57551 ($161,900)
Every ZIP code in Bennett County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57551 | Martin | 2,084 | 666 | $70,096 | $161,900 | 64.9% | 39.5% | 2.6% | — | — | 100% of its land |
| 57714 | Allen | 1,144 | 182 | — | $111,600 | 32.4% | 65.9% | 0.0% | 1 | 7 | 93% of its land |
| 57560 | Norris | 391 | 135 | — | — | 60.7% | 23.0% | 6.9% | 2 | 47 | 25% of its land |
| 57574 | Bennett County | 73 | 38 | $2,499 | $261,900 | 100.0% | 0.0% | 0.0% | 2 | 37 | 100% of its land |
A ZIP code is listed for Bennett 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
Price a mailing to Bennett County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Bennett County, SD?
- 57551, 57714, 57560 and 57574. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Bennett County?
- 3,345 residents in 920 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Bennett County?
- $53,750 for the county as a whole. Its ZIP codes range from $70,096 (57551) to $70,096 (57551).
- How many carrier routes and mailboxes are in Bennett County?
- For the 3 of 4 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 91 residential and 0 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.