Community indicators cover a broad range of measures of what makes a region and community appealing to live in, including civic participation such as charitable giving and voting, crime and incarceration rates, population density, air and water quality, and the quality of housing. Compared to its peer counties and the state and nation, Lancaster is stronger in charitable giving, and has generally lower violent crime and incarceration rates. However, Lancaster has higher rates of air and water pollution and greater racial disparities in incarceration than many of its peer counties.

Charitable giving was comparatively strong in Lancaster County. In 2021, the average charitable contribution in Lancaster County was $28,700, above the average for Pennsylvania ($19,500) and the U.S. ($22,500), and higher than in any surrounding county.

In 2023, 80% of voting-age Lancaster County residents were registered to vote, less than the 84% in Pennsylvania as a whole. The county’s voter registration rate decreased 1 percentage points from 2010. All neighboring counties, except for Berks County (77%), had a higher voter registration rate in 2023 than Lancaster

The age of housing stock in an area gives an indication of supply, demand, local construction levels, and the overall quality of housing available. On average, Lancaster County has newer housing stock than the state, but older stock than the nation. Nine percent of Lancaster County’s housing stock has been constructed since the 2010s. This is above the Pennsylvania rate of 5%, and slightly below the national rate of 10%. By contrast, 19% percent of Lancaster County’s housing stock was constructed before the 1940s. This is below the Pennsylvania average of 25%, but above the national average of 12%.

Lancaster County had a 2023 population density of 592 people per square mile, above the Pennsylvania level of 290 and the U.S. level of 95. Of area counties, Lancaster has the second highest population density, behind Chester (733). Parts of the county differ dramatically in population density. In the City of Lancaster, the density is 7,908 people per square mile.

In comparison to peer counties and the state, Lancaster had more challenges to air and water quality. In 2024, 52% of days in Lancaster were healthy air days, above 41% in 2010. The year with the fewest healthy air days was 2014, at 16%. Lancaster lags behind its peer counties in air quality: in 2024, 56%-73% of days in peer counties were healthy air days. The air quality of York, Lebanon, Dauphin, Cumberland and Berks have all increased significantly since 2010.

Lancaster had higher rates of stream pollution than the state as a whole and most neighboring counties. In 2024, 77% of Lancaster’s streams were pollution-impaired for aquatic life, 4.2% were impaired for fish consumption, 66% were impaired for recreation and 1.0% were impaired for water supply. These were significantly above state rates of 22% for aquatic life, 13% for recreation, and 0.2% for water supply, but below the 6% for fish consumption. 

Lancaster’s average daily water use in 2023 was 100 gallons per person, slightly below the statewide average of 104 gallons. While Lancaster County used more water per capita than most surrounding counties, it matched Dauphin County's average of 100 gallons per resident. Other nearby counties, such as Berks, York, Chester, Cumberland, and Lebanon, reported lower daily per capita usage.

Lancaster had lower rates of reported violent crime and incarceration than the state and some neighboring counties. In 2023, there were 1.3 violent crimes reported per 1,000 residents in Lancaster County, lower than the Pennsylvania (2.7) and national (3.6) rates. In 2024, the average Lancaster County jail population was 1.4 county jail inmates per 1,000 residents, down 34% from 2006. This was below the 1.9 incarceration rate of Pennsylvania as a whole and lower than most neighboring counties.

Despite its lower rates, racial disparities in incarceration were evident in Lancaster. In 2023, African Americans in Lancaster were incarcerated at a rate of 83 persons per 10,000 residents, more than nine times the rate of 9 per 10,000 for White residents. Latinos, at 37 per 10,000 residents, were incarcerated at more than four times the rate of White residents. This was greater than the overall disparities in Pennsylvania, where African Americans were incarcerated at nearly six times the rate of whites and Latinos at two times the rate of Whites.