Data sources

Published by Maine Office of Cannabis Policy

The monthly licensee CSV: every adult-use license with its type, status, location, and issue dates. We count distinct license numbers.

View the original source ↗ · last pulled July 5, 2026

Published by Federal Reserve Bank of St. Louis (FRED) · original data from U.S. Census Bureau, Building Permits Survey; U.S. Bureau of Economic Analysis

Three Maine series: all private housing units authorized (MEBPPRIV) and single-family units (MEBP1FH), monthly back to 1988, plus per-capita personal income (MEPCPI), annual back to 1929.

View the original source ↗ · last pulled July 5, 2026

Published by Maine Office of Cannabis Policy

Adult-use product testing results: overall sample fail rate and failures by analyte category (pesticides, microbials, etc.), by year.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Census Bureau, Population Estimates Program

Annual population for each Maine county since 2010, with components of change: births, deaths, and domestic vs. international migration.

View the original source ↗ · last pulled July 5, 2026

Published by MaineHousing & Maine DECD (portal built by HR&A Advisors) · original data from U.S. Census Bureau (ACS), Zillow (ZHVI), Maine Judicial Branch (evictions), MaineHousing program data

21 statewide datasets: population and income, home values, rents, vacancy, eviction filings, cost burden, deed-restricted supply, and 2030 production needs.

View the original source ↗ · last pulled July 5, 2026

Published by Maine Dept. of Environmental Protection, GIS Unit

Four datasets: response spill locations, registered petroleum storage tanks, remediation sites, and PFAS groundwater results (wells over Maine's 20 ppt standard). Locations not yet mapped by DEP are excluded by the source.

View the original source ↗ · last pulled July 5, 2026

Published by Maine Commission on Governmental Ethics and Election Practices

Registered candidates, itemized contributions, and expenditures for the 2026 election cycle (2025–2026 filings) from the disclosure system's bulk exports.

View the original source ↗ · last pulled July 15, 2026

Published by U.S. Centers for Disease Control and Prevention

County-level prevalence of chronic and behavioral health measures (CDC PLACES, model-based) and provisional drug-overdose deaths over time (CDC VSRR).

View the original source ↗ · last pulled July 5, 2026

Published by NOAA — National Centers for Environmental Information & CO-OPS

Maine statewide average temperature and precipitation since 1895, and mean sea level at the Portland tide gauge since 1912.

View the original source ↗ · last pulled July 5, 2026

Published by AirNow — U.S. EPA and partner agencies · original data from State and federal monitoring stations reporting to AirNow

Daily Air Quality Index readings by pollutant for Maine reporting areas (Portland, Bangor, Acadia, Androscoggin County).

View the original source ↗ · last pulled July 17, 2026

Published by U.S. Bureau of Labor Statistics & Maine Dept. of Labor

Maine statewide average weekly wage by industry sector and the overall wage trend, from the Quarterly Census of Employment and Wages annual averages.

View the original source ↗ · last pulled July 5, 2026

Published by Maine Dept. of Labor, Center for Workforce Research and Information · original data from U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (LAUS) program

Statewide seasonally-adjusted estimates back to 1976, plus county, labor-market-area, and town estimates (not seasonally adjusted).

View the original source ↗ · last pulled July 5, 2026

Published by Zillow Research

The statewide Zillow Home Value Index: the smoothed, seasonally adjusted typical value for the middle third of the market (all homes), monthly. It's an index of estimated value, not recorded sale prices.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Department of Housing and Urban Development (HUD)

HUD's Point-in-Time Counts by State workbook, Maine row for each year back to 2007: total homeless, sheltered and unsheltered, plus the chronically homeless, veterans, and people in families.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Census Bureau, American Community Survey

Five statewide Maine measures a year since 2010: high-school and bachelor's attainment for adults 25+, average household size, the share of households with children, and the non-White-alone share, which we derive. The Census published no 1-year estimates for 2020.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Census Bureau, Population Estimates Program

Single-year-of-age civilian population estimates for Maine, rolled into 10-year bands, with median age and the under-18 and 65+ shares. Civilian only, so active-duty military are excluded; the source groups everyone 85 and over.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Bureau of Economic Analysis (BEA)

Maine's GDP by industry (SAGDP2): the all-industry total plus 20 detailed sectors, in millions of current dollars back to 1997. Current dollars, so year-over-year change includes inflation; sectors BEA withholds for confidentiality are left out rather than zeroed.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Bureau of Labor Statistics

Maine's statewide detailed-occupation estimates: employment, median and mean annual wage, and location quotient. Occupations where BLS withholds employment or the median wage are dropped, so this isn't a complete list of Maine occupations.

View the original source ↗ · last pulled July 5, 2026

Published by FBI Crime Data Explorer

Nine offense categories from 2010 on — violent crime, property crime, homicide, rape, robbery, aggravated assault, burglary, larceny, and motor vehicle theft — as annual Maine counts and rates alongside the U.S. rate per 100k. Years without all 12 months reported are dropped, so the current year never appears.

View the original source ↗ · last pulled July 5, 2026

Published by NOAA Fisheries (National Marine Fisheries Service) · original data from Atlantic Coastal Cooperative Statistics Program (ACCSP)

Maine commercial landings from the Fisheries One Stop Shop: pounds landed and ex-vessel (dockside) value by species and year, back to 1950. Landings withheld for confidentiality stay in statewide totals but are excluded from the most-valuable-species ranking.

View the original source ↗ · last pulled July 5, 2026

Published by USDA National Agricultural Statistics Service (NASS)

Maine state-level QuickStats: annual production value by commodity, plus the number of farms and acres in farms. Values NASS withholds to avoid identifying individual operations are left out rather than zeroed, and the farm counts blend the 5-year Census of Agriculture with annual survey estimates.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Energy Information Administration (EIA)

Maine's State Energy Data System: residential prices for electricity, heating oil, natural gas, and kerosene, plus primary energy consumption by source. Where available we bridge the SEDS reporting lag with recent monthly and weekly prices from EIA's API.

View the original source ↗ · last pulled July 5, 2026

Published by Maine Revenue Services

The monthly cannabis sales workbook: medical and adult-use taxable sales by month back to 2019, plus adult-use sales and excise tax. Maine Revenue Services posts with about a two-month lag, so the newest month or two is always absent.

View the original source ↗ · last pulled July 5, 2026

Published by Centers for Medicare & Medicaid Services (CMS)

CMS state performance-indicator data for Maine: total Medicaid and CHIP enrollment plus the adult and child splits, monthly back to 2017. We keep the most-final figure for each month. CMS counts full-benefit enrollment, a tighter basis than the DHHS all-member snapshot, so the two don't match.

View the original source ↗ · last pulled July 5, 2026

Published by Maine DHHS, Office of MaineCare Services

The “MaineCare Members At A Glance” snapshot: members in each of the 16 counties plus out-of-state, and the printed statewide total. We refuse to publish unless the county counts sum exactly to that total.

View the original source ↗ · last pulled June 14, 2026

Published by U.S. Centers for Disease Control and Prevention (NCHS)

NCHS state trend tables: Maine's marriage and divorce rates per 1,000 people for 1990, 1995, and 2000–2023. Counts are by state of occurrence, not residence, and nothing is published for 1991–94 or 1996–99.

View the original source ↗ · last pulled July 5, 2026

Published by U.S. Department of Labor, Women's Bureau · original data from State childcare market-rate surveys, run under U.S. Dept. of Health and Human Services (ACF) Child Care and Development Fund rules

The National Database of Childcare Prices state workbook: Maine's median weekly full-time price for center-based care by age group. Our chart annualizes it (×52). Maine's usable series starts in 2012, and these are prices providers charge, not what families pay after subsidies.

View the original source ↗ · last pulled July 14, 2026

Published by NAEP Nation's Report Card (NCES) & Urban Institute Education Data Portal · original data from U.S. Dept. of Education, National Center for Education Statistics — Common Core of Data (enrollment and finance)

NAEP average scale scores in math and reading, grades 4 and 8, Maine against national public, for assessment years 2009–2024 (NAEP is biennial, so the years are unevenly spaced). Plus Maine public-school fall enrollment and per-pupil spending, which we compute ourselves as current expenditures divided by fall membership.

View the original source ↗ · last pulled July 14, 2026

Published by Annie E. Casey Foundation, KIDS COUNT Data Center · original data from Maine OCFS, Maine DHHS, Maine CDC, Maine DOE, and Feeding America, depending on the indicator

Eleven Maine indicators by county and year: child maltreatment and foster-care removal, SNAP and TANF receipt, food insecurity, elevated blood lead and lead screening, low birthweight, two-year-old immunization, fourth-grade reading, and chronic absenteeism. Suppressed values are left out rather than zeroed, and Maine's fourth-grade reading assessment changed in 2021 and 2023, so that series isn't comparable across those breaks.

View the original source ↗ · last pulled June 16, 2026

Published by Annie E. Casey Foundation, KIDS COUNT Data Center · original data from Maine Dept. of Health and Human Services (MaineCare administrative enrollment)

KIDS COUNT indicator 7323: children with MaineCare by age group and county back to 2010, as both a count and a share.

View the original source ↗ · last pulled June 14, 2026

Published by Maine Dept. of Transportation, Office of Safety & Mobility · original data from Maine Dept. of Public Safety — uniform police crash reports from state, county, and local agencies

Two annual MaineDOT reports: the statewide crash table (total, fatal, injury, and property-damage-only crashes, people killed and injured, and registered vehicles, 1977 on), and total, moose, and deer collisions per year.

View the original source ↗ · last pulled June 14, 2026