Groton, SD ZIP Codes
One ZIP code serves Groton, South Dakota: 57445. Together they are home to 2,072 residents in 865 households.
Groton city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 1,691 |
| Households | 625 |
| Median household income | $89,861 |
| Median home value | $190,600 |
| Median age | 33.9 |
| Median rent | $981 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,072 |
| Households (sum of ZIP codes) | 865 |
| Median household income, range across ZIP codes | $84,948 (57445) to $84,948 (57445) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $84,948 |
| Homeowners | 76.8% |
| Households with kids under 18 | 27.5% |
| Moved in the past year | 8.6% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Groton
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57445 | Groton | 2,072 | 865 | $84,948 | $193,800 | 76.8% | 27.5% | 8.6% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Groton when at least 10% of its land lies inside Groton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Groton. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Groton.
Counties
- Brown County — 16 ZIP codes
Price a mailing to Groton ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Groton, SD?
- 57445. A ZIP code is listed for Groton when at least 10% of its land lies inside Groton city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Groton.
- What is the population of Groton, SD?
- The Census Bureau counts 1,691 residents inside Groton city limits (ACS 2020–2024). The 1 ZIP code that serve Groton hold 2,072 residents in all.
- What is the median household income in Groton, SD?
- $89,861 inside Groton city limits, per the Census Bureau. Across its ZIP codes the medians run from $84,948 to $84,948.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.