Waldo County, Maine
Located in Maine, Waldo County has a population of 40,192 residents and a median age of 47.4 years, making it the #1,201 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.0%. The median home value is $257,700, and the median household income is $72,782, which is 3% below the national median.
Demographics
Waldo County has a population of 40,192, making it the #1,201 most populous county in the US. The median age is 47.4 years, which is 21.9% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Waldo County is $72,782, ranking #987 out of 3,222 counties — 3.1% below the national median. The poverty rate is 12.0% and unemployment stands at 3.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Waldo County is $257,700 (-8.6% vs national). Renters pay a median of $1,021/mo and the homeownership rate is 81.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Waldo County, 34.4% of adults age 25+ hold a bachelor's degree or higher, which is 2.0% above the national average, ranking #500 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Waldo County is 76.5 years. 14.2% of adults report poor or fair health and 10.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.3% of adults in Waldo County smoke , 33.5% are obese , and 22.4% report excessive drinking. The drug overdose death rate is 42.5 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 21.3 per 100,000. Motor vehicle deaths occur at a rate of 20.4 per 100,000.
Suicide Rate Trend
Families & Children
18.5% of children in Waldo County live in poverty . The teen birth rate is 13.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Waldo County is 77.0%. The mean commute time is 28.8 min, which is 4.2% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Waldo County voted Democratic with a margin of 3.4%. The vote was 50.4% Dem / 47% Rep. Compared to 2020, the margin shifted 1.4 toward Republicans .
Vote Share Over Time
About Waldo County, Maine
Waldo County, Maine has a total population of 40,192, making it the 1,201st most populous county in the United States. The median age in Waldo County is 47.4 years, which is 21.9% above the national median of 38.9 years.
The median household income in Waldo County is $72,782, which ranks #987 of 3,222 counties nationwide. This is 3.1% below the national median of $75,149. The poverty rate is 12.0%, lower than the national rate of 12.6%. The unemployment rate stands at 3.7%.
The median home value in Waldo County is $257,700, 8.6% below the national median. Renters in Waldo County pay a median gross rent of $1,021 per month. The homeownership rate is 81.9%, compared to the national rate of 64.4%.
In Waldo County, 34.4% of residents aged 25 and older hold a bachelor's degree or higher, 2.0% above the national average of 33.7%. Health insurance coverage stands at 90.8% of the population. The average commute time for workers is 28.8 min.
Waldo County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.8% of the population, followed by Two or More Races (4.0%) and Hispanic or Latino (1.6%).
All data for Waldo County, Maine comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.