Skip to main content
County ProfileWA

Franklin County

Population: 96,749 · 6 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
96,749
People
Median age
30.9
Housing
Total households
29,890
Income
Median household income
$86,714
Housing
Total housing units
31,183
Employment
Employment rate
62.1%
Education
Bachelor’s degree or higher
21.1%
Healthcare
Insured population
86.8%
County details
Local time 02:21:36(PT)
NameFranklin
Total ZIP codes6total
ZIP codes (by type)
4 Standard2 PO Box
Area code509
TimezonePacific Time (PT)
Coordinates46.5375019, -118.9038912
Land area1,241.6 sq miles(3,215.7 km²)

Map of Franklin county, Washington with ZIP codes

Map of Franklin County, Washington and ZIP codes

Cities and Communities in Franklin County

Compare the largest cities in Franklin County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Pasco77,108$85,5862ZIPs
Connell5,441$77,7211ZIPs
Eltopia1,0611ZIPs
Mesa385$83,0561ZIPs
Kahlotus147$94,6881ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Franklin County

Review the most populated postal areas across Franklin County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
99301Pasco$87,95185,272
99326Connell$82,5006,277
99343Mesa$59,4513,206
99330Eltopia$140,0931,061
99335Kahlotus$91,667240
99302Pasco

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS