U.S. State Guides
Deep-dive guides on geography, demographics, and history for all 50 U.S. states. Each guide includes data, maps, etymology, and context you won't find elsewhere.
Available Guides
State Abbreviations
The full list of all 50 U.S. state abbreviations, with postal codes, capitals, regions, and the most confusing two-letter codes.
State Borders
Which states, countries, and bodies of water border each U.S. state? Maps, border counts, landlocked status, and coastline facts.
Most Common Last Names
The top 20 most common surnames in each state — with etymology, immigrant origins, and "1 in every X residents" stats.
Climate & Weather
Temperature ranges, precipitation patterns, seasons, and weather extremes for each state.
Demographics
Population statistics, largest cities, demographic trends, and key facts.
Economy
GDP, major industries, employment statistics, and economic indicators.
Geography
Terrain, elevation, land area, natural features, and geographic regions.
Start by choosing a state to explore its borders, symbols, and guides.