US ZIP Code
57544

Kennebec, SD

Lyman County  ·  South Dakota

● Active
👥 461 Population ↑ 2% since 2019
💰 $71,875 Median HH Income
≈ Avg ↑ 21% since 2019
🎂 32.7 Median Age ↓ 38% since 2019
🏠 $144,300 Median Home Value
▼ 48% below avg ↑ 20% since 2019
🎓 36.8% College Grads
≈ Avg
📊 0.5% Unemployment
▼ 90% below avg ↓ 74% since 2019
ZIP Code Details
ZIP Code57544
CityKennebec
StateSouth Dakota (SD)
CountyLyman County
Area Code605
Elevation1,835 ft
Latitude43.883449
Longitude-99.843986
TimezoneChicago (DST)
FIPS46085
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 44.5% (205) Female 55.5% (256) ♀

Race & Ethnicity

White: 88.9%Other: 1.5%Race
White88.9%
Other1.5%

Age Breakdown

Under 5
8%
5–17
20%
18–24
3%
25–44
37%
45–64
11%
65+
12%

Key Indicators

Median Age32.7 yrs ↓ 38% since 2019
Avg Household Size2.31
Below Poverty8.0% ▼ 20% below avg
College Grads36.8% ≈ Avg
Unemployment0.5% ▼ 90% below avg
HS Graduate139 (44.1%)
Some College10 (3.2%)
Associates50 (15.9%)
Bachelors15 (4.8%)
Graduate Degree101 (32.1%)

Education

HS Grad: 44.1%Some College: 3.2%Associates: 15.9%Bachelors: 4.8%Graduate: 32.1%Edu
HS Grad44.1%
Some College3.2%
Associates15.9%
Bachelors4.8%
Graduate32.1%
Housing & Income

Housing Tenure

Owner: 81.5%Renter: 18.5%Tenure
Owner81.5%
Renter18.5%

Home Value Distribution

Under $50k
20%
$50k–100k
11%
$100k–150k
24%
$150k–200k
17%
$200k–300k
4%
$300k–500k
9%
Over $500k
16%

Financials

Median HH Income$71,875 ≈ Avg ↑ 21% since 2019
Median Home Value$144,300 ▼ 48% below avg ↑ 20% since 2019
Home/Income Ratio2.0x (nat avg ~3.5x)
Median Rent$664/mo ↓ 13% since 2019
Total Units222
Vacant Units22
Avg HH Size2.31

Income Distribution

Under $25k
19%
$25k–50k
14%
$50k–75k
21%
$75k–100k
9%
$100k–150k
30%
$150k–200k
2%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
75%
Walked
9%
Work From Home
16%

Commute Time

Under 15 min
89%
15–30 min
4%
30–45 min
5%
Over 45 min
2%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
18%
1960s–1970s
7%
1980s–1990s
5%
2000+
67%

Summary

Total Units222
Vacant22
Owner Occupied81.5%
Renter Occupied18.5%
Avg HH Size2.31
Frequently Asked Questions
ZIP code 57544 is in Kennebec, SD, in Lyman County.
ZIP code 57544 is located in South Dakota (SD).
ZIP code 57544 is in Lyman County, SD.
ZIP 57544 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57544 is 461 people (ACS 2023).
The median household income in ZIP code 57544 is $71,875 (ACS 2023).
The median home value in ZIP 57544 is $144,300 (ACS 2023).
About ZIP Code 57544

ZIP code 57544 is located in Kennebec, South Dakota, within Lyman County. With a population of 461, this is a sparsely populated ZIP code with a relatively young community — the median age is 32.7 years. Economically, 57544 is a solidly middle-class ZIP code: the median household income of $71,875 is near the national average.

Real estate in ZIP code 57544 represents one of the more affordable housing markets in the country. The median home value of $144,300 is below the national average. Renters can expect to pay around $664 per month in median rent. Homeownership is strong here — 81.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 20% since 2019.

The population of 57544 is primarily White (88.94%). Residents are moderately educated — 36.8% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.0%. Household income has grown by 21% since 2019.

The unemployment rate in 57544 stands at 0.5%, which is well below the national average. About 16% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 57544 in Kennebec, SD is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 461 residents, a median household income of $71,875, and a median home value of $144,300, it offers a clear picture of life in this part of South Dakota.