Mercer County, New Jersey
County
Overview
- County Name
- Mercer County
- State
- New Jersey
- FIPS Code
- 34021
- State FIPS
- 34
- County FIPS
- 021
Geography
- Land Area
- 224.48 sq mi
- Water Area
- 4.37 sq mi
- Total Area
- 228.86 sq mi
- Latitude
- 40.282503
- Longitude
- -74.703724
Demographics
- Total Citizen Population
- 329,672
- Citizen Voting Age Population (CVAP)
- 252,321
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 268,418 | 81.4% |
| Hispanic | 61,254 | 18.6% |
| White | 162,087 | 49.2% |
| Black | 63,896 | 19.4% |
| Asian | 32,323 | 9.8% |
| American Indian / Alaska Native | 249 | 0.1% |
| Native Hawaiian / Pacific Islander | 47 | 0.0% |
| Two or More Races | 1,475 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 215,640 | 85.5% |
| Hispanic | 36,683 | 14.5% |
| White | 138,028 | 54.7% |
| Black | 51,117 | 20.3% |
| Asian | 25,066 | 9.9% |
| American Indian / Alaska Native | 1,095 | 0.4% |
| Native Hawaiian / Pacific Islander | 55 | 0.0% |
| Two or More Races | 623 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.
Economics
- Total Population (ACS)
- 385,864
- Median Household Income (est.)
- $115,626
- Poverty Rate
- 9.8%
- Population Below Poverty
- 37,849
Population by Race (ACS)
| Group | Population | Share |
|---|
| White | 178,342 | 46.2% |
| Black | 71,211 | 18.5% |
| Asian | 48,018 | 12.4% |
Aggregated from census tract data. Median values are population-weighted estimates. Source: ACS 5-Year Estimates.
Voter Registration
- Total Registered Voters
- 243,026
Registration by Party
| Group | Registered | Share |
|---|
| Democratic | 110,719 | 45.6% |
| Republican | 37,976 | 15.6% |
| Independent / Unaffiliated | 90,751 | 37.3% |
| Other | 385 | 0.2% |
Registration by Gender
| Group | Registered | Share |
|---|
| Male | 110,181 | 45.3% |
| Female | 126,470 | 52.0% |
Registration by Ethnicity
| Group | Registered | Share |
|---|
| White | 121,241 | 49.9% |
| Hispanic | 27,609 | 11.4% |
| Black | 37,963 | 15.6% |
| Asian | 19,716 | 8.1% |
Source: L2 voter file data via Redistricting Data Hub (2022 snapshot, 50 states).
Turnout
- Total Voted
- 97,823
- Overall Turnout Rate
- 40.3%
Turnout by Ethnicity
| Group | Voted | Turnout Rate |
|---|
| White | 58,178 | 48.0% |
| Hispanic | 6,467 | 23.4% |
| Black | 11,386 | 30.0% |
| Asian | 6,795 | 34.5% |
Turnout by Gender
| Group | Voted | Turnout Rate |
|---|
| Male | 44,169 | 40.1% |
| Female | 52,169 | 41.3% |
2022 midterm general election. Source: L2 voter file data via Redistricting Data Hub (50 states).
Education
- High School Diploma or Higher
- 56,315 (21.4%)
- Bachelor's Degree or Higher
- 118,879 (45.5%)
Population age 25 and over. Aggregated from census tract data. Source: ACS 5-Year Estimates.
Housing
- Total Housing Units
- 151,138
- Median Home Value (est.)
- $434,758
- Median Gross Rent (est.)
- $1,782
Aggregated from census tract data. Median values are population-weighted estimates. Source: ACS 5-Year Estimates.
Commute to Work
- Drove Alone
- 60.0%
- Public Transit
- 4.7%
- Work From Home
- 18.9%
Workers age 16 and over. Aggregated from census tract data. Source: ACS 5-Year Estimates.
Health Insurance
- Health Insurance Coverage
- 31.7%
Civilian noninstitutionalized population. Aggregated from census tract data. Source: ACS 5-Year Estimates.