Residential delivery area · South Dakota
ZIP Code 57645: Morristown, SD
ZIP code 57645 uses the postal name Morristown, South Dakota and lies mostly in Corson County (52% of its land), reaching into Grant County and Sioux County (Census 2020 ZIP-county file). About 180 people live there (Census Bureau, ACS 2020-2024). Median household income is $56,667 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Morristown; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- Town
- Morristown · its only residential ZIP
- County
- Corson County (52%); Grant County (27%); Sioux County (21%)
- Census places
- Morristown
- House districts
- SD at large (52%), ND at large (48%) 119th Congress, by share of land
- State
- South Dakota
- Time zone
- Mountain
- Land area
- 302.1 sq mi · under 1 person per sq mi
Where is ZIP code 57645?
57645 centers on 45.907°, -101.716° and covers 302.1 square miles of land plus 0.5 of water. It borders 7 ZIP codes: 57660, 57634, 57638, 58529, 57633, 58533, 57644.
The map draws ZIP code areas only. For the streets inside 57645, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 57645 compare with the rest of Corson County?
| Measure | 57645 | In Corson County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 184 | 12th of 15 | 313th of 375 |
| Median household income | $57k | not ranked | not ranked |
| Median home value | $52k | not ranked | not ranked |
57645's income and home value are not ranked: it has fewer than 1,000 residents (184). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 3% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 57645?
The 2020 Census counted 171 people in 57645; the ACS, which samples households over 2020-2024, estimates 184. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 184±50 (90% margin)
- 2020 Census count
- 171
- Households
- 78
- Median age
- 47.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 57645?
Of the 184 people the ACS estimates in 57645, 24.5% are under 18 and 27.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.6%), then Other or two or more (11.4%).
- Under 1824.5%
- 18 to 6448.4%
- 65 and older27.2%
- White, not Hispanic88.6%
- Other or two or more11.4%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 57645 earn?
Median household income is $56,667 (ACS 2020-2024).
- Median household income
- $56,667±$34,927
- Income per person
- $37,215
- Below the poverty line
- 29.3%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 25.6%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 57645?
- Median home value (owners' estimate)
- $52,100
- Median gross rent
- –
- Homes owned by their occupants
- 83.3%
- Housing units
- 97
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
Which ZIP codes are next to 57645?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57660 | Watauga | 111 | $67k | 10.3 mi |
| 57634 | Keldron | 131 | $88k | 11.7 mi |
| 57638 | Lemmon | 1,852 | $59k | 24.9 mi |
| 58529 | Carson, ND | 721 | $66k | 28.2 mi |
| 57633 | Isabel | 445 | $79k | 33.4 mi |
| 58533 | Elgin, ND | 830 | $36k | 33.9 mi |
| 57644 | Meadow | 388 | $68k | 34.8 mi |
| 57641 | McIntosh | 215 | $84k | 19.5 mi (near) |
| 57659 | Walker | 16 | $103k | 29.9 mi (near) |
| 58564 | Raleigh, ND | 102 | $81k | 30.5 mi (near) |
| 57621 | Bullhead | 294 | $33k | 31.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.