ZIP code
57445
Groton, SD
57445 covers Groton in Brown County, with 2,033 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 57445. Methodology
ZIP code map of 57445
About ZIP code 57445
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 57445. Not ACS. Methodology
People in 57445
Race
- White1,826
- Black or African American2
- American Indian or Alaska Native24
- Asian10
- Other race19
- Two or more races70
Hispanic or Latino (any race): 55
Age
- Under 10282
- 10 to 19283
- 20 to 29150
- 30 to 39229
- 40 to 49219
- 50 to 59275
- 60 to 69247
- 70 to 79158
- 80 and older108
Income and housing in 57445
Education
- High school graduate95.5%
- Bachelor's degree27.1%
- Graduate degree9.2%
Places covering 57445
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Groton70.7%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Brown County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
29.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 57445
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,051 | |
| 2006 | 2,012 | |
| 2007 | 2,149 | |
| 2008 | 2,056 | |
| 2009 | 1,984 | |
| 2010 | 1,985 | |
| 2011 | 2,120 | 2,015 |
| 2012 | 2,080 | 2,080 |
| 2013 | 2,185 | 2,040 |
| 2014 | 2,227 | 1,910 |
| 2015 | 2,219 | 1,910 |
| 2016 | 2,322 | 1,920 |
| 2017 | 2,282 | 1,840 |
| 2018 | 1,985 | 1,850 |
| 2019 | 1,940 | 1,940 |
| 2020 | 2,063 | 1,930 |
| 2021 | 1,811 | 1,920 |
| 2022 | 1,910 | 1,900 |
| 2023 | 2,033 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 57445
12 nearest ZIP centroids (any distance)
- 57439Ferney9.1 miPop 1 · Income —
- 57422Andover9.5 miPop 153 · Income $85,909
- 57427Bath9.9 miPop 512 · Income $82,308
- 57474Stratford14.4 miPop 184 · Income $95,000
- 57433Columbia15.5 miPop 384 · Income $71,215
- 57432Claremont15.6 miPop 210 · Income $82,917
- 57468Pierpont18.1 miPop 273 · Income $68,750
- 57449Houghton18.3 miPop 280 · Income $178,092
- 57479Warner19.2 miPop 659 · Income $96,964
- 57219Bristol19.6 miPop 533 · Income $51,595
- 57454Langford19.9 miPop 702 · Income $66,750
- 57401Aberdeen20.3 miPop 32,064 · Income $68,183
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 57445, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 57445 FAQ
- What city is ZIP code 57445 in?
- 57445 is in Groton, SD.
- What county is 57445 in?
- 57445 is in Brown County.
- What is the median household income in 57445?
- The median household income in 57445 is $76,250.
- Which ZIP codes are near 57445?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 57445.