PlainZIP

Lower Brule, SD · standard

ZIP Code 57548

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

1,380
5/sq mi
$35,750
Median income
$33,900
Median home value
9.1%
Bachelor's or higher

The verdict

Lower Brule pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, renter-heavy area.

4th pct
household income, US ZIPs
0th pct
home value, US ZIPs
5
people per sq mi
34%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57548 against every reporting US ZIP.

ZIP code 57548 is a sparsely populated ZIP (a standard USPS delivery area) in Lower Brule, Lyman County, South Dakota, home to just 1,380 residents across 300.0 square miles, a density of 5 people per square mile, in the Chicago time zone.

ZIP 57548 sits on the lower end of the income spectrum: median household income is $35,750 (53% below the South Dakota average), while per-capita income is $12,263. 49.5% of residents live below the poverty line, and the unemployment rate reads 7.8%. The typical home here is valued at $33,900 (82% below the state average); renters pay a median of $504 monthly, and 33.9% of units are owner-occupied.

Formal educational attainment runs low here: just 9.1% of adults hold a bachelor's degree or higher, the median age is 24, and the average commute is 9 minutes. To put 57548 in local context, 1 ZIP codes within roughly 10 miles appear further down this page alongside 5 additional ZIPs in Lyman County, for a geography-aware comparison.

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 57548, Lower Brule, 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

1,380

Population

300.0

Area (sq mi)

5

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 57548?

24.0

Median Age

52.5%

Male

47.5%

Female

0.6%

Foreign-Born

White 7.2%
African American 0.1%
Asian 0.1%
American Indian or Alaska Native 91.2%
Native Hawaiian or Pacific Islander 0.9%
Two or More Ethnicities 0.3%
Hispanic or Latino 0.3%

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?

$35,750

Median Household Income

-53% vs state

$12,263

Per Capita Income

49.5%

Poverty Rate

7.8%

Unemployment Rate

9.0 min

Mean Commute Time

How ZIP 57548 ranks nationally

Lower Brule, SD household income vs. every US ZIP code

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

$35,750 4th percentile higher than 4% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $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 52.9%
Bachelor's Degree or Higher 9.1%

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

What does housing look like?

324

Total Housing Units

251

Occupied Units

73

Vacant Units

5.48

Avg Household Size

Occupancy Type

Owner 33.9%
Renter 66.1%

$33,900

Median Home Value

-82% vs state

$504

Median Rent

1980

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 57548, employing approximately 19 people with a combined annual payroll of $1,154,000.

6

Businesses

19

Employees

$1.2M

Annual Payroll

0

Industry Sectors

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 57548 vs 57346 →

ZIP Code City Population Distance
57346 Stephan, SD 68 11.4 mi

More ZIP Codes in Lyman County

57568 standard
Presho, SD
Pop: 689
57365 standard
Oacoma, SD
Pop: 522
57569 standard
Reliance, SD
Pop: 445
57544 standard
Kennebec, SD
Pop: 419
57576 standard
Vivian, SD
Pop: 204

Related Areas

Lyman County Lower Brule, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57548 in? ▼
ZIP code 57548 (Lower Brule) is located in Lyman County, South Dakota. Lyman County contains multiple ZIP codes, see the full list at /counties/lyman-sd.
What is the population of ZIP code 57548? ▼
ZIP code 57548 in Lower Brule, SD has a population of 1,380 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57548? ▼
The median household income in ZIP 57548 is $35,750, which is 53% below the national average of $76,288.
What is the average home value in ZIP 57548? ▼
The median home value in ZIP 57548 is $33,900, which is 88% below the national average of $278,155.
What is the demographic makeup of ZIP 57548? ▼
The largest racial group in ZIP 57548 is American Indian or Alaska Native at 91.2%. Hispanic or Latino residents make up 0.3% of the population.
How many businesses are in ZIP code 57548? ▼
ZIP code 57548 has 6 business establishments employing approximately 19 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57548? ▼
In ZIP code 57548, 52.9% of residents aged 25+ have a high school diploma or higher, and 9.1% 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 57548? ▼
The mean commute time for workers in ZIP code 57548 is 9.0 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 57548? ▼
In ZIP code 57548, approximately 33.9% of occupied housing units are owner-occupied and 66.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57548? ▼
The poverty rate in ZIP code 57548 is 49.5% 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.