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Kennebec, SD
Town in Lyman County, South Dakota. ZIP codes: 57544.
Population
296
Land area
0.9sq mi
People per sq mi
347
ZIP codes
1
Kennebec and its ZIP codes
Kennebec at a glance
- Kennebec is about 29 times as dense as South Dakota as a whole.
Local data for Kennebec, SD
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Lyman County. PPP loans are for Kennebec.
Unemployment rate
3.1%
Aug 2026, +0.7 pts in a year
Average annual pay
$40,362
1,346 jobs, 2025
Income per person
$52,419
BEA, 2024
Federal spending
$65.93M
FY 2026, $17,731 per person
PPP loans
$1.9M
88 loans, 195 jobs reported
Environment and hazard risk
Kennebec, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: cold wave
Storm events since 1996
855
Countywide, mostly thunderstorm wind
Flood insurance policies
2
0.1% of homes, county
July high / Jan low
90° / 9°F
20.8 inches of rain a year
Health statistics
Share of adults in Kennebec, SD, CDC PLACES estimates
Obesity
33.3%
U.S. 33.3% about the same
Diabetes
11.0%
U.S. 12.1% -1.1 pts
Smoking
12.8%
U.S. 12.8% about the same
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
ZIP codes in Kennebec
1 in or overlapping Kennebec. Population shown
Cities near Kennebec
| Name | Distance | Land area (sq mi) |
|---|---|---|
| PreshoCity | 9.8 mi | 0.7 |
| RelianceTown | 13 mi | 1.1 |
| West BruleCensus-designated place | 16 mi | 1.2 |
| Lower BruleCensus-designated place | 18 mi | 0.4 |
| VivianCensus-designated place | 22 mi | 1.7 |
| HamillCensus-designated place | 23 mi | 1.2 |
| Fort ThompsonCensus-designated place | 25 mi | 10.4 |
| IdealCensus-designated place | 25 mi | 0.5 |
| OacomaTown | 26 mi | 2.6 |
| ChamberlainCity | 28 mi | 4.5 |
Frequently asked questions
- What county is Kennebec, SD in?
- Kennebec is in Lyman County, South Dakota.
- What ZIP codes are in Kennebec, SD?
- ZIP codes in or overlapping Kennebec include 57544.
- What is the population of Kennebec, SD?
- About 296 people live in Kennebec, based on American Community Survey 5-year estimates.
- What cities are near Kennebec?
- Nearby places include Presho (9.8 mi), Reliance (13 mi), West Brule (16 mi), Lower Brule (18 mi), Vivian (22 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023