Morristown, SD · standard

ZIP Code 57645

Corson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

217
0/sq mi
$56,667
Median income
$52,100
Median home value
25.6%
Bachelor's or higher

The verdict

Morristown pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

24th pct
household income, US ZIPs
1th pct
home value, US ZIPs
0
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57645 against every reporting US ZIP.

ZIP code 57645 is a sparsely populated ZIP (a standard USPS delivery area) in Morristown, Corson County, South Dakota, home to just 217 residents across 723.3 square miles, a density of 0 people per square mile, in the Denver time zone.

ZIP 57645 reports a modest median household income of $56,667 (26% below the South Dakota average), while per-capita income is $37,215. The poverty rate stands at 29.3% and the unemployment rate at 0.0%. The typical home here is valued at $52,100 (73% below the state average); renters pay a median of - monthly, and 83.3% of units are owner-occupied.

Educational attainment sits below the national norm: 25.6% of adults hold a bachelor's degree or higher, the median age is 47, and the average commute is -. Use the benchmarks above to see where 57645 sits relative to South Dakota and the national baseline rather than viewing the numbers in isolation.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57645, Morristown, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

217

Population

723.3

Area (sq mi)

0

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57645?

47.0

Median Age

50.0%

Male

50.0%

Female

0.0%

Foreign-Born

White 88.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 8.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.3%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$56,667

Median Household Income

-26% vs state

$37,215

Per Capita Income

29.3%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 57645 ranks nationally

Morristown, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$56,667 24th percentile higher than 24% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 57.1%
Bachelor's Degree or Higher 25.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

97

Total Housing Units

78

Occupied Units

19

Vacant Units

2.36

Avg Household Size

Occupancy Type

Owner 83.3%
Renter 16.7%

$52,100

Median Home Value

-73% vs state

1938

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

More ZIP Codes in Corson County

Frequently Asked Questions

What county is ZIP code 57645 in?
ZIP code 57645 (Morristown) is located in Corson County, South Dakota. Corson County contains multiple ZIP codes, see the full list at /counties/corson-sd.
What is the population of ZIP code 57645?
ZIP code 57645 in Morristown, SD has a population of 217 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57645?
The median household income in ZIP 57645 is $56,667, which is 26% below the national average of $76,288.
What is the average home value in ZIP 57645?
The median home value in ZIP 57645 is $52,100, which is 81% below the national average of $278,155.
What is the demographic makeup of ZIP 57645?
The largest racial group in ZIP 57645 is White at 88.6%.
What is the education level in ZIP code 57645?
In ZIP code 57645, 57.1% of residents aged 25+ have a high school diploma or higher, and 25.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57645?
In ZIP code 57645, approximately 83.3% of occupied housing units are owner-occupied and 16.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57645?
The poverty rate in ZIP code 57645 is 29.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.