Tyndall, SD · standard
ZIP Code 57066
Bon Homme County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,508
- 5/sq mi Low-density area
- $56,389
- Median income Below-median income area
- $112,000
- Median home value Below-median home value
- 28.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Tyndall pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 23rd pct
- household income, US ZIPs
- 14th pct
- home value, US ZIPs
- 5
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57066 against every reporting US ZIP.
ZIP code 57066 covers 301.6 square miles in Tyndall, Bon Homme County, South Dakota (a standard USPS delivery area), with a modest 1,508 residents on file, a density of 5 people per square mile, in the Chicago time zone.
ZIP 57066 reports a modest median household income of $56,389 (26% below the average South Dakota ZIP), while per-capita income is $34,825. The poverty rate is 8.3%, with unemployment at 2.4%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $112,000 (42% below the average South Dakota ZIP), and median rent is $753; owner occupancy is 87.8%.
Educational attainment sits below the national norm: 28.0% of adults hold a bachelor's degree or higher, the median age is 50.8, and the average commute is 18 minutes. The page also surfaces 2 ZIP codes within roughly 10 miles and 4 more in Bon Homme County, so 57066 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 57066
Top 5 sectors by establishment count in Tyndall, SD
Which industries have the most business establishments in ZIP 57066.
- Retail trade
Retail trade
14 establishments
- Health care and social assistance
Health care and social assistance
6 establishments
- Other services (except public administration)
Other services (except public administration)
6 establishments
- Accommodation and food services 4
Accommodation and food services
4 establishments
- Wholesale trade 3
Wholesale trade
3 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 57066, Tyndall, 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
1,508
Population
301.6
Area (sq mi)
5
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 57066?
50.8
Median Age
52.1%
Male
47.9%
Female
0.1%
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?
$56,389
Median Household Income
-26% vs state ZIP avg
$34,825
Per Capita Income
8.3%
Poverty Rate
2.4%
Unemployment Rate
18.0 min
Mean Commute Time
How ZIP 57066 ranks among South Dakota ZIPs
Tyndall, 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)
$56,389 15th percentile higher than 15% 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
810housing units
810
Total Housing Units
624
Occupied Units
186
Vacant Units
2.15
Avg Household Size
Occupancy Type
$112,000
Median Home Value
-42% vs state ZIP avg
$753
Median Rent
1954
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 50 business establishments in ZIP 57066, employing approximately 451 people with a combined annual payroll of $18,373,000.
50
Businesses
451
Employees
$18.4M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 14 | 28.0% |
| Health care and social assistance | 6 | 12.0% |
| Other services (except public administration) | 6 | 12.0% |
| Accommodation and food services | 4 | 8.0% |
| Wholesale trade | 3 | 6.0% |
| Finance and insurance | 3 | 6.0% |
| Professional, scientific, and technical services | 3 | 6.0% |
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 57066 vs 57062 →
ZIP 57066 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57062
Springfield (57062)
2,410 residents
- 57059
Scotland (57059)
1,522 residents
- 57066
Tyndall (57066)
1,508 residents
What this shows Among its immediate neighbors, ZIP 57066 ranks #3 by population - useful context the national average alone can't give.
ZIP 57066 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 57062
Springfield (57062)
$62,321 median income
- 57059
Scotland (57059)
$59,779 median income
- 57066
Tyndall (57066)
$56,389 median income
What this shows By household income, ZIP 57066 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 57066, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,508 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Bon Homme County
Related Areas
Frequently Asked Questions
What county is ZIP code 57066 in?
ZIP code 57066 (Tyndall) is located in Bon Homme County, South Dakota. Bon Homme County contains multiple ZIP codes, see the full list at /counties/bon-homme-sd.
What is the population of ZIP code 57066?
ZIP code 57066 in Tyndall, SD has a population of 1,508 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57066?
The median household income in ZIP 57066 is $56,389, which is 26% below the national average of $76,288.
What is the average home value in ZIP 57066?
The median home value in ZIP 57066 is $112,000, which is 60% below the national average of $278,155.
What is the demographic makeup of ZIP 57066?
The largest racial group in ZIP 57066 is White at 95.0%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 57066?
ZIP code 57066 has 50 business establishments employing approximately 451 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 57066?
The top industries by establishment count in ZIP 57066 are: Retail trade (14), Health care and social assistance (6), Other services (except public administration) (6). There are 7 industry sectors represented in total.
What is the education level in ZIP code 57066?
In ZIP code 57066, 61.8% of residents aged 25+ have a high school diploma or higher, and 28.0% 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 57066?
The mean commute time for workers in ZIP code 57066 is 18.0 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 57066?
In ZIP code 57066, approximately 87.8% of occupied housing units are owner-occupied and 12.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57066?
The poverty rate in ZIP code 57066 is 8.3% 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 57066's numbers, next.
- See how ZIP 57066 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Tyndall, SD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.