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Waldo County, ME
4 cities and towns and 18 ZIP codes in Waldo County, Maine.
Population
40,192
Land area
730sq mi
People per sq mi
55
ZIP codes
18
Cities and towns in Waldo County
Waldo County at a glance
- The median household income is $72,782, close to the Maine median.
- A typical owner-occupied home is valued at $257,700 (13% below Maine) and median rent is $1,021 a month.
- Its largest cities are Belfast (6,986), Searsport (1,218) and Winterport (1,057).
Local data for Waldo County, ME
Counts from official public data
Housing and community stats
Waldo County, ME, American Community Survey 2020-2024
Median household income
$72,782
Poverty rate
12.0%
Median home value
$257,700
Prices +7.1% in a year
Median rent
$1,021/mo
Homeownership
81.9%
Bachelor's or higher
34.4%
Median age
47.4
Average commute
26.6 min
Largest reported origins and ancestries: Irish Americans (6,511), German Americans (4,154), French Americans (3,078).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.4%
Sep 2026, +0.3 pts in a year
Average annual pay
$56,626
11,300 jobs, 2025
Income per person
$59,514
BEA, 2024
Federal spending
$332M
FY 2026, $8,395 per person
PPP loans
$58.3M
1,229 loans, 7,629 jobs reported
Campaign donations
$403K
Itemized, 2026 cycle
How people get to work
Waldo County, ME, workers 16 and older. American Community Survey 5-year estimates
- Drove alone72.0%
- Carpooled7.8%
- Public transit0.5%
- Walked3.3%
- Bicycle0.1%
- Taxi, ride-hailing, motorcycle or other0.8%
- Worked from home15.6%
Average one-way commute: 26.6 minutes for people who do not work from home.
Environment and hazard risk
Waldo County, ME, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: winter weather
Storm events since 1996
704
Most often heavy snow
Flood insurance policies
133
0.8% of homes, county
July high / Jan low
77° / 10°F
48.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone43 historic places
Health statistics
Share of adults in Waldo County, ME, CDC PLACES estimates
Obesity
34.3%
U.S. 33.3% +1.0 pts
Diabetes
11.7%
U.S. 12.1% about the same
Smoking
15.4%
U.S. 12.8% +2.6 pts
Uninsured (18-64)
8.1%
U.S. 11.1% -3.0 pts
Cities, towns and ZIP codes in Waldo County
Population shown
Frequently asked questions
- What is the largest city in Waldo County, ME?
- Belfast is the largest city or town in Waldo County, with about 6,986 residents.
- How many ZIP codes are in Waldo County?
- Waldo County includes 18 ZIP Code Tabulation Areas, including 04354, 04438, 04496, 04848, 04849.
- What is the population of Waldo County, ME?
- About 40,192 people live in Waldo County, based on American Community Survey 5-year estimates.
- What counties border Waldo County?
- Waldo County borders Penobscot County, Kennebec County, Hancock County, Somerset County, Knox County, Lincoln County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023