PlainZIP

Kennebec, SD · standard

ZIP Code 57544

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

419
1/sq mi
$78,750
Median income
$141,700
Median home value
31.0%
Bachelor's or higher

The verdict

Kennebec pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 40%
household income, US ZIPs
23th pct
home value, US ZIPs
1
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57544 against every reporting US ZIP.

ZIP code 57544 is a sparsely populated ZIP (a standard USPS delivery area) in Kennebec, Lyman County, South Dakota, home to just 419 residents across 838.0 square miles, a density of 1 people per square mile, in the Chicago time zone.

ZIP 57544 lands in the middle-income range, with a median household income of $78,750 (3% above the South Dakota average), while per-capita income is $52,531. The poverty rate stands at 4.8% and the unemployment rate at 1.2%. On housing, the median home value is $141,700 (26% below the state average) with median rent at $675 per month, and 79.2% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 31.0% of adults hold a bachelor's degree or higher, the median age is 40.1, and the average commute is -. Use the benchmarks above to see where 57544 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 57544, Kennebec, 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

419

Population

838.0

Area (sq mi)

1

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 57544?

40.1

Median Age

45.8%

Male

54.2%

Female

0.0%

Foreign-Born

White 87.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 11.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.2%
Hispanic or Latino 0.0%

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?

$78,750

Median Household Income

+3% vs state

$52,531

Per Capita Income

4.8%

Poverty Rate

1.2%

Unemployment Rate

How ZIP 57544 ranks nationally

Kennebec, SD household income vs. every US ZIP code

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

$78,750 Top 40% higher than 60% 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 73.2%
Bachelor's Degree or Higher 31.0%

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

What does housing look like?

199

Total Housing Units

192

Occupied Units

7

Vacant Units

2.19

Avg Household Size

Occupancy Type

Owner 79.2%
Renter 20.8%

$141,700

Median Home Value

-26% vs state

$675

Median Rent

1968

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 57544, employing approximately 119 people with a combined annual payroll of $5,910,000.

15

Businesses

119

Employees

$5.9M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 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 Lyman County

57548 standard
Lower Brule, SD
Pop: 1,380
57568 standard
Presho, SD
Pop: 689
57365 standard
Oacoma, SD
Pop: 522
57569 standard
Reliance, SD
Pop: 445
57576 standard
Vivian, SD
Pop: 204

Related Areas

Lyman County Kennebec, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57544 in? ▼
ZIP code 57544 (Kennebec) 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 57544? ▼
ZIP code 57544 in Kennebec, SD has a population of 419 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57544? ▼
The median household income in ZIP 57544 is $78,750, which is 3% above the national average of $76,288.
What is the average home value in ZIP 57544? ▼
The median home value in ZIP 57544 is $141,700, which is 49% below the national average of $278,155.
What is the demographic makeup of ZIP 57544? ▼
The largest racial group in ZIP 57544 is White at 87.4%.
How many businesses are in ZIP code 57544? ▼
ZIP code 57544 has 15 business establishments employing approximately 119 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 57544? ▼
In ZIP code 57544, 73.2% of residents aged 25+ have a high school diploma or higher, and 31.0% 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 57544? ▼
In ZIP code 57544, approximately 79.2% of occupied housing units are owner-occupied and 20.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57544? ▼
The poverty rate in ZIP code 57544 is 4.8% 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.