Timber Lake, SD · standard
ZIP Code 57656
Dewey County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 723
- 1/sq mi Low-density area
- $66,094
- Median income Near-median income area
- $86,300
- Median home value Below-median home value
- 23.8%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Timber Lake pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 40th pct
- household income, US ZIPs
- 6th pct
- home value, US ZIPs
- 1
- people per sq mi
- 71%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57656 against every reporting US ZIP.
ZIP code 57656 is a sparsely populated ZIP (a standard USPS delivery area) in Timber Lake, Dewey County, South Dakota, home to just 723 residents across 1205.0 square miles, a density of 1 people per square mile, in the Denver time zone.
ZIP 57656 reports a modest median household income of $66,094 (14% below the average South Dakota ZIP), while per-capita income is $30,983. The poverty rate is 13.2%, with unemployment at 4.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $86,300 (55% below the average South Dakota ZIP), and median rent is $546; owner occupancy is 71.4%.
Educational attainment sits below the national norm: 23.8% of adults hold a bachelor's degree or higher, the median age is 28.1, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Dewey County, so 57656 can be compared with both its immediate and county-level context.
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 →
Top industries in ZIP 57656
Top 5 sectors by establishment count in Timber Lake, SD
Which industries have the most business establishments in ZIP 57656.
- Construction
Construction
7 establishments
- Retail trade
Retail trade
5 establishments
- Other services (except public administration)
Other services (except public administration)
5 establishments
- Health care and social assistance
Health care and social assistance
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 57656, Timber Lake, 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
723
Population
1205.0
Area (sq mi)
1
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 57656?
28.1
Median Age
50.8%
Male
49.2%
Female
0.9%
Foreign-Born
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?
$66,094
Median Household Income
-14% vs state ZIP avg
$30,983
Per Capita Income
13.2%
Poverty Rate
4.7%
Unemployment Rate
How ZIP 57656 ranks among South Dakota ZIPs
Timber Lake, SD household income vs. every South Dakota ZIP code
Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$66,094 31st percentile higher than 31% of 337 South Dakota ZIPs
Each bar is a $20K-wide band; taller bars hold more South Dakota 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
416housing units
416
Total Housing Units
371
Occupied Units
45
Vacant Units
2.63
Avg Household Size
Occupancy Type
$86,300
Median Home Value
-55% vs state ZIP avg
$546
Median Rent
1970
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 31 business establishments in ZIP 57656, employing approximately 145 people with a combined annual payroll of $5,792,000.
31
Businesses
145
Employees
$5.8M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 7 | 22.6% |
| Retail trade | 5 | 16.1% |
| Other services (except public administration) | 5 | 16.1% |
| Health care and social assistance | 4 | 12.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 57656 vs 57661 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 57661 | Whitehorse, SD | 88 | 10.7 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57656, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Dewey County
Related Areas
Frequently Asked Questions
What county is ZIP code 57656 in?
ZIP code 57656 (Timber Lake) is located in Dewey County, South Dakota. Dewey County contains multiple ZIP codes, see the full list at /counties/dewey-sd.
What is the population of ZIP code 57656?
ZIP code 57656 in Timber Lake, SD has a population of 723 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57656?
The median household income in ZIP 57656 is $66,094, which is 13% below the national average of $76,288.
What is the average home value in ZIP 57656?
The median home value in ZIP 57656 is $86,300, which is 69% below the national average of $278,155.
What is the demographic makeup of ZIP 57656?
The largest racial group in ZIP 57656 is White at 52.5%. Hispanic or Latino residents make up 1.2% of the population.
How many businesses are in ZIP code 57656?
ZIP code 57656 has 31 business establishments employing approximately 145 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57656?
The top industries by establishment count in ZIP 57656 are: Construction (7), Retail trade (5), Other services (except public administration) (5). There are 4 industry sectors represented in total.
What is the education level in ZIP code 57656?
In ZIP code 57656, 55.6% of residents aged 25+ have a high school diploma or higher, and 23.8% 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 57656?
In ZIP code 57656, approximately 71.4% of occupied housing units are owner-occupied and 28.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57656?
The poverty rate in ZIP code 57656 is 13.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 57656's numbers, next.
- See how ZIP 57656 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Timber Lake, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.