Checked
Willow Lake, SD
City in Clark County, South Dakota.
Population
433
Land area
0.4sq mi
People per sq mi
1,163
ZIP codes
0
Willow Lake and its ZIP codes
Willow Lake at a glance
- Willow Lake is about 97 times as dense as South Dakota as a whole.
Local data for Willow Lake, SD
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Clark County. PPP loans are for Willow Lake.
Unemployment rate
1.4%
Sep 2026, -0.4 pts in a year
Average annual pay
$47,196
1,205 jobs, 2025
Income per person
$87,398
BEA, 2024
Federal spending
$50.2M
FY 2026, $13,085 per person
Environment and hazard risk
Willow Lake, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: cold wave
Storm events since 1996
595
Countywide, mostly hail
Flood insurance policies
10
0.7% of homes, county
July high / Jan low
82° / 5°F
25.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Willow Lake, SD, CDC PLACES estimates
Obesity
34.9%
U.S. 33.3% +1.6 pts
Diabetes
12.0%
U.S. 12.1% about the same
Smoking
17.3%
U.S. 12.8% +4.5 pts
Uninsured (18-64)
10.4%
U.S. 11.1% -0.7 pts
Cities near Willow Lake
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Mayfield ColonyCensus-designated place | 5.4 mi | 0.3 |
| Collins ColonyCensus-designated place | 6.4 mi | 0.3 |
| ViennaTown | 8.8 mi | 0.8 |
| BryantCity | 8.8 mi | 0.5 |
| BancroftTown | 11 mi | 0.2 |
| NaplesTown | 12 mi | 0.1 |
| ErwinTown | 14 mi | 0.5 |
| HazelTown | 16 mi | 0.2 |
| Shamrock ColonyCensus-designated place | 16 mi | 0.6 |
| Fordham ColonyCensus-designated place | 16 mi | 0.4 |
| Silver Lake ColonyCensus-designated place | 16 mi | 0.2 |
| De SmetCity | 17 mi | 1.2 |
| ClarkCity | 18 mi | 1.4 |
| HenryTown | 19 mi | 1.5 |
| Clark ColonyCensus-designated place | 20 mi | 0.3 |
| IroquoisCity | 21 mi | 0.6 |
Frequently asked questions
- What county is Willow Lake, SD in?
- Willow Lake is in Clark County, South Dakota.
- What is the population of Willow Lake, SD?
- About 433 people live in Willow Lake, based on American Community Survey 5-year estimates.
- What cities are near Willow Lake?
- Nearby places include Mayfield Colony (5.4 mi), Collins Colony (6.4 mi), Vienna (8.8 mi), Bryant (8.8 mi), Bancroft (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023