visualizedata.org
Find a place

Demo page: real public data, in a page layout that is still being designed. Numbers are as the sources published them on the build date shown at the bottom.

Maryland / Harford County

How's Harford County?

One question about Harford County, Maryland, each answered from public data, with the method and the raw numbers one click away. More topics for this place are on the way.

Compare with every other county: climate

Harford County year by year

Yearly figures for every US county, latest complete year 2025:wages and jobs from the Bureau of Labor Statistics; air quality from the EPA, where a monitor reads it.

Jobs and pay

IndicatorLatest1 yr5 yr10 yrAmong countiesTrend
Average weekly wage2025 · jobs covered by unemployment insurance, before tax, not adjusted for inflation$1,321+0.2%+14.4%+37.1%Highest quartile346 of 3,221 counties in 2025 · 9 of 24 in Maryland
Jobs located here2025 · by where the job is, not where the worker lives96.1K jobs+1.0%+7.6%+6.8%Highest quartile313 of 3,221 counties in 2025 · 8 of 24 in Maryland

Air quality

IndicatorLatest1 yr5 yr10 yrAmong countiesTrend
Days with good air2025 · AQI 50 or below, counties with a monitor reading at least 180 days75.5% of days+3.3 pts−4.6 pts+20.2 pts3rd quartile504 of 916 counties in 2025 · 14 of 16 in Maryland
Median daily AQI2025 · the middle day of the year; 0–50 is good, 51–100 moderate42 AQI0.0 AQI+1.0 AQI−6.0 AQI2nd quartile310 of 916 counties in 2025 · 3 of 16 in Maryland

4 indicators. Change is a percent change for totals and levels, and a difference in points or units for rates and shares. "Among counties" ranks Harford County against every US county with a figure for the same year (1 is the highest value, which is not always the best). In the strip each tick is one of them, the dot is Harford County and the taller gray tick is the United States as a whole, where there is a national figure. A year is shown only once it is complete. Each indicator's page ranks every state.