Checked
Seneca, WI
Census-designated place in Crawford County, Wisconsin. ZIP codes: 54654.
Population
372
Land area
0.8sq mi
People per sq mi
442
ZIP codes
1
Seneca and its ZIP codes
Seneca at a glance
- Seneca is about 4.1 times as dense as Wisconsin as a whole.
Local data for Seneca, WI
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Crawford County. PPP loans are for Seneca.
Unemployment rate
3.5%
Aug 2026, +0.2 pts in a year
Average annual pay
$46,850
6,560 jobs, 2025
Income per person
$52,463
BEA, 2024
Federal spending
$130M
FY 2026, $8,059 per person
PPP loans
$277K
4 loans, 53 jobs reported
Environment and hazard risk
Seneca, WI, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: landslide
Storm events since 1996
480
Countywide, mostly hail
Flood insurance policies
72
1.0% of homes, county
July high / Jan low
83° / 7°F
37.7 inches of rain a year
Health statistics
Share of adults in Seneca, WI, CDC PLACES estimates
Obesity
39.0%
U.S. 33.3% +5.7 pts
Diabetes
11.9%
U.S. 12.1% about the same
Smoking
15.7%
U.S. 12.8% +2.9 pts
Uninsured (18-64)
7.2%
U.S. 11.1% -3.9 pts
ZIP codes in Seneca
1 in or overlapping Seneca. Population shown
Cities near Seneca
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Mount SterlingVillage | 3.7 mi | 1.4 |
| LynxvilleVillage | 4.8 mi | 1.4 |
| Bell CenterVillage | 6.9 mi | 5.5 |
| Gays MillsVillage | 6.9 mi | 4.9 |
| SteubenVillage | 7.4 mi | 6.2 |
| EastmanVillage | 8.1 mi | 3.6 |
| FerryvilleVillage | 9 mi | 2.1 |
| Harpers Ferry, IACity | 11 mi | 0.6 |
| Soldiers GroveVillage | 13 mi | 3.6 |
| WauzekaVillage | 13 mi | 4.8 |
| WoodmanVillage | 14 mi | 0.2 |
| BoscobelCity | 15 mi | 3.2 |
| Lansing, IACity | 15 mi | 1.1 |
| ReadstownVillage | 16 mi | 1.7 |
| De SotoVillage | 17 mi | 1.2 |
| Waterville, IACity | 18 mi | 0.4 |
Frequently asked questions
- What county is Seneca, WI in?
- Seneca is in Crawford County, Wisconsin.
- What ZIP codes are in Seneca, WI?
- ZIP codes in or overlapping Seneca include 54654.
- What is the population of Seneca, WI?
- About 372 people live in Seneca, based on American Community Survey 5-year estimates.
- What cities are near Seneca?
- Nearby places include Mount Sterling (3.7 mi), Lynxville (4.8 mi), Bell Center (6.9 mi), Gays Mills (6.9 mi), Steuben (7.4 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023