PlainZIP

Ortley, SD · standard

ZIP Code 57256

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

127
2/sq mi
$66,500
Median income
$225,000
Median home value
13.8%
Bachelor's or higher

The verdict

Ortley pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.

41th pct
household income, US ZIPs
Top 49%
home value, US ZIPs
2
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57256 against every reporting US ZIP.

ZIP code 57256 is a sparsely populated ZIP (a standard USPS delivery area) in Ortley, Roberts County, South Dakota, home to just 127 residents across 74.7 square miles, a density of 2 people per square mile, in the Chicago time zone.

ZIP 57256 reports a modest median household income of $66,500 (13% below the South Dakota average), while per-capita income is $30,628. Local economic indicators show a 14.7% poverty rate alongside 25.0% unemployment. Median home value sits at $225,000 (17% above the state average), median rent at - a month, and owner-occupancy at 86.4%.

Formal educational attainment runs low here: just 13.8% of adults hold a bachelor's degree or higher, the median age is 46.3, and the average commute is -. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Roberts County, so you can benchmark 57256 against its immediate geography rather than a national average alone.

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 57256, Ortley, 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

127

Population

74.7

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 57256?

46.3

Median Age

58.4%

Male

41.6%

Female

1.3%

Foreign-Born

White 95.8%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.3%
Hispanic or Latino 2.9%

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?

$66,500

Median Household Income

-13% vs state

$30,628

Per Capita Income

14.7%

Poverty Rate

25.0%

Unemployment Rate

How ZIP 57256 ranks nationally

Ortley, SD household income vs. every US ZIP code

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

$66,500 41st percentile higher than 41% 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%). This entry sits in this band. $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 50.6%
Bachelor's Degree or Higher 13.8%

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

What does housing look like?

100

Total Housing Units

88

Occupied Units

12

Vacant Units

2.70

Avg Household Size

Occupancy Type

Owner 86.4%
Renter 13.6%

$225,000

Median Home Value

+17% vs state

1963

Median Year Built

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

Nearby ZIP Codes

Want a side-by-side? Compare 57256 vs 57266 →

ZIP 57256 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 57256 ranks #3 by population - useful context the national average alone can't give.

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

ZIP 57256 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 57256 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
57266 Summit, SD 607 4.7 mi
57273 Waubay, SD 1,316 6.2 mi

More ZIP Codes in Roberts County

57262 standard
Sisseton, SD
Pop: 4,963
57260 standard
Rosholt, SD
Pop: 1,093
57279 standard
Wilmot, SD
Pop: 1,058
57257 standard
Peever, SD
Pop: 810
57266 standard
Summit, SD
Pop: 607
57255 standard
New Effington, SD
Pop: 538

Related Areas

Roberts County Ortley, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57256 in? ▼
ZIP code 57256 (Ortley) is located in Roberts County, South Dakota. Roberts County contains multiple ZIP codes, see the full list at /counties/roberts-sd.
What is the population of ZIP code 57256? ▼
ZIP code 57256 in Ortley, SD has a population of 127 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57256? ▼
The median household income in ZIP 57256 is $66,500, which is 13% below the national average of $76,288.
What is the average home value in ZIP 57256? ▼
The median home value in ZIP 57256 is $225,000, which is 19% below the national average of $278,155.
What is the demographic makeup of ZIP 57256? ▼
The largest racial group in ZIP 57256 is White at 95.8%. Hispanic or Latino residents make up 2.9% of the population.
What is the education level in ZIP code 57256? ▼
In ZIP code 57256, 50.6% of residents aged 25+ have a high school diploma or higher, and 13.8% 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 57256? ▼
In ZIP code 57256, approximately 86.4% of occupied housing units are owner-occupied and 13.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57256? ▼
The poverty rate in ZIP code 57256 is 14.7% 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.