PlainZIP

Letcher, SD · standard

ZIP Code 57359

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

649
2/sq mi
$106,818
Median income
$166,800
Median home value
29.8%
Bachelor's or higher

The verdict

Letcher pairs an upper-quartile household income with below-median home values, in a rural, homeowner-dominated area.

Top 15%
household income, US ZIPs
33th pct
home value, US ZIPs
2
people per sq mi
88%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57359 against every reporting US ZIP.

ZIP code 57359 is a sparsely populated ZIP (a standard USPS delivery area) in Letcher, Aurora County, South Dakota, home to just 649 residents across 432.7 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 57359 lands in the middle-income range, with a median household income of $106,818 (39% above the South Dakota average), while per-capita income is $47,061. Local economic indicators show a 8.3% poverty rate alongside 0.6% unemployment. The typical home here is valued at $166,800 (13% below the state average); renters pay a median of $764 monthly, and 87.6% of units are owner-occupied.

Educational attainment sits below the national norm: 29.8% of adults hold a bachelor's degree or higher, the median age is 38.3, and the average commute is 20 minutes. Use the benchmarks above to see where 57359 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 57359, Letcher, 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

649

Population

432.7

Area (sq mi)

2

People / sq mi

Chicago

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 57359?

38.3

Median Age

56.6%

Male

43.4%

Female

0.9%

Foreign-Born

White 95.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.8%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.2%
Hispanic or Latino 1.7%

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?

$106,818

Median Household Income

+39% vs state

$47,061

Per Capita Income

8.3%

Poverty Rate

0.6%

Unemployment Rate

19.9 min

Mean Commute Time

How ZIP 57359 ranks nationally

Letcher, SD household income vs. every US ZIP code

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

$106,818 Top 15% higher than 85% 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%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $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 56.6%
Bachelor's Degree or Higher 29.8%

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

What does housing look like?

287

Total Housing Units

234

Occupied Units

53

Vacant Units

2.79

Avg Household Size

Occupancy Type

Owner 87.6%
Renter 12.4%

$166,800

Median Home Value

-13% vs state

$764

Median Rent

1957

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 15 business establishments in ZIP 57359, employing approximately 46 people with a combined annual payroll of $2,019,000.

15

Businesses

46

Employees

$2.0M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Other services (except public administration) 3 20.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

More ZIP Codes in Aurora County

57368 standard
Plankinton, SD
Pop: 1,226
57383 standard
White Lake, SD
Pop: 732
57375 standard
Stickney, SD
Pop: 647

Related Areas

Aurora County Letcher, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57359 in? ▼
ZIP code 57359 (Letcher) is located in Aurora County, South Dakota. Aurora County contains multiple ZIP codes, see the full list at /counties/aurora-sd.
What is the population of ZIP code 57359? ▼
ZIP code 57359 in Letcher, SD has a population of 649 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57359? ▼
The median household income in ZIP 57359 is $106,818, which is 40% above the national average of $76,288.
What is the average home value in ZIP 57359? ▼
The median home value in ZIP 57359 is $166,800, which is 40% below the national average of $278,155.
What is the demographic makeup of ZIP 57359? ▼
The largest racial group in ZIP 57359 is White at 95.2%. Hispanic or Latino residents make up 1.7% of the population.
How many businesses are in ZIP code 57359? ▼
ZIP code 57359 has 15 business establishments employing approximately 46 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57359? ▼
In ZIP code 57359, 56.6% of residents aged 25+ have a high school diploma or higher, and 29.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 57359? ▼
The mean commute time for workers in ZIP code 57359 is 19.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 57359? ▼
In ZIP code 57359, approximately 87.6% of occupied housing units are owner-occupied and 12.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57359? ▼
The poverty rate in ZIP code 57359 is 8.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.