Washington County in figures

A profile of Washington County from official statistics: 27 figures in 6 sections, each with its period, its change from a year earlier, its rank among similar places where a ranking exists, and its source.

Figures last updated on 2026-10-12.

People
Work and income
Economy
Prices and housing
Business and tourism
Energy and environment
Sources and citations

People

Population in Washington County was 31,334 in 2025, down 0.4% from 2024, and the 3rd lowest of 16 counties in Maine.

Population31,3342025Down 0.4% from 2024The 3rd lowest of 16 counties in Maine

Median age48.6 years2024Unchanged from 2023The 5th highest of 16 counties in Maine

Population aged 65 and over28.5%2025Up 0.3 percentage points from 2024The 5th highest of 16 counties in Maine

Foreign-born population share3.7%2024Up 0.4 percentage points from 2023

Population density4.7 inhabitants per km²2025Down 0.4% from 2024

Net domestic migration, July to June912025, estimatedCompared with 221 in 2024

Population, 2020 to 2025. persons. Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program).

Sources: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program); U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population; U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs; U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km²; U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Population and demography statistics and rankings

Work and income

Unemployment rate in Washington County was 4.4% (provisional) in August 2026, up 0.3 percentage points from August 2025, and the 2nd highest of 16 counties in Maine.

Unemployment rate4.4%August 2026, provisionalUp 0.3 percentage points from August 2025The 2nd highest of 16 counties in Maine

Median household income$56,0242024Up 7.2% from 2023The lowest of 16 counties in Maine

Per capita personal income$55,9902024Up 4.9% from 2023The 5th lowest of 16 counties in Maine

Poverty rate (US official measure)16.2%2024Down 3.9 percentage points from 2023

Gini index45.92024Down 1.1 points from 2023

Unemployment rate, July 2021 to August 2026. %. Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted.

Sources: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months; U.S. Bureau of Economic Analysis, CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents; U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Labor market statistics and rankings

Economy

GDP (US dollars) in Washington County was $1.47 billion in 2024, up 2.1% from 2023, and the 2nd lowest of 16 counties in Maine.

Gross domestic product (GDP), US dollars$1.47 billion2024Up 2.1% from 2023The 2nd lowest of 16 counties in Maine

GDP per capita, US dollars$46,9752024Up 2.4% from 2023The 3rd lowest of 16 counties in Maine

Real GDP growth-0.1%2024Down 3.5 percentage points from 2023Tied for the 2nd lowest of 16 counties in Maine

Gross domestic product (GDP), US dollars, 2001 to 2024. USD million. Source: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions).

Sources: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions); Invokely, GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1); U.S. Bureau of Economic Analysis, CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. Economy statistics and rankings

Prices and housing

Median home value in Washington County was $161,800 in 2024, up 10% from 2023, and the 2nd lowest of 16 counties in Maine.

Median home value$161,8002024Up 10% from 2023The 2nd lowest of 16 counties in Maine

County house price annual change, sales and refinances6.48%2025Up 3.54 percentage points from 2024The 5th highest of 16 counties in Maine

Median gross rent (monthly)$7832024Up 2% from 2023The lowest of 16 counties in Maine

Homeownership rate (US, housing units)79.7%2024Up 1.6 percentage points from 2023

Housing units authorized by building permits1072025, estimatedUp 10.3% from 2024

Median home value, 2021 to 2024. USD. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units; Federal Housing Finance Agency, FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent; U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs; U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. Housing statistics and rankings

Business and tourism

Employer firms in Washington County were 619 in 2023, up 1.1% from 2022, and the 2nd lowest of 16 counties in Maine.

Employer firms6192023Up 1.1% from 2022The 2nd lowest of 16 counties in Maine

Establishment entry rate10.213%2023Down 0.15 percentage points from 2022The 3rd highest of 16 counties in Maine

Establishment exit rate9.078%2023Up 0.45 percentage points from 2022The 6th highest of 16 counties in Maine

Job creation rate18.463%2023Up 3.96 percentage points from 2022

Farms3412022No 2021 figure to compare

Employer firms, 1999 to 2023. count. Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties.

Sources: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties; U.S. Census Bureau, Business Dynamics Statistics: establishment entry rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Census Bureau, Business Dynamics Statistics: establishment exit rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Census Bureau, Business Dynamics Statistics: job creation rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Department of Agriculture, National Agricultural Statistics Service, Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Companies statistics and rankings

Energy and environment

Median Air Quality Index (US EPA) in Washington County was 34 in 2025, unchanged from 2024, and the 3rd lowest of 13 counties in Maine in 2000.

Median Air Quality Index (US EPA)342025Unchanged from 2024The 3rd lowest of 13 counties in Maine in 2000

Share of days with good air quality (US EPA AQI)91.5%2025Down 4.7 percentage points from 2024The 6th lowest of 13 counties in Maine in 2000

Average annual temperature44.1 °F2025Down 2.5 °F from 2024The 7th lowest of 16 counties in Maine

Median Air Quality Index (US EPA), 2001 to 2025. index. Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: median daily AQI.

Sources: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: median daily AQI; U.S. Environmental Protection Agency, EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts; NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December average temperature, counties. Environment and emissions statistics and rankings

Sources and citations

Each figure comes from the table cited here. Cite the publisher; these citations include any notice the publisher requires.

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.
U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.
U.S. Census Bureau. American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat. Retrieved 2026-10-09.
U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
U.S. Bureau of Labor Statistics. Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted. https://download.bls.gov/pub/time.series/la/la.data.0.CurrentU25-29. Retrieved 2026-10-08.
U.S. Census Bureau. American Community Survey 5-year estimates, table B19013: median household income in the past 12 months. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19013.dat. Retrieved 2026-10-08.
U.S. Bureau of Economic Analysis. CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAINC1.zip. Retrieved 2026-10-11.
U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2024/2024-state-and-county/est24all.txt. Retrieved 2026-10-08.
U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-10.
U.S. Bureau of Economic Analysis. CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions). https://apps.bea.gov/regional/zip/CAGDP1.zip. Retrieved 2026-10-08.
Invokely calculation from GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1). https://invokely.ai/docs/methodology#gdp_per_capita_usd. Retrieved 2026-10-09.
U.S. Bureau of Economic Analysis. CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAGDP11.zip. Retrieved 2026-10-08.
U.S. Census Bureau. American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25077.dat. Retrieved 2026-10-09.
Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.
U.S. Census Bureau. American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25064.dat. Retrieved 2026-10-09.
U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-09.
U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.
U.S. Census Bureau. Business Dynamics Statistics: establishment entry rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
U.S. Census Bureau. Business Dynamics Statistics: establishment exit rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
U.S. Census Bureau. Business Dynamics Statistics: job creation rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
Source: USDA National Agricultural Statistics Service, Census of Agriculture. Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Retrieved through Data Commons (datacommons.org). https://www.nass.usda.gov/AgCensus/. Retrieved 2026-10-11. Retrieved through Data Commons (https://datacommons.org).
U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: median daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: good days as a share of days with an AQI, calculated with stored counts. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.

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