Franklin County Population

1820–2026

36,878

2026 projection

2.2% since 2020 (decrease)

010K20K30K40K50K60K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Franklin County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202636,878-380.10%
202536,916-380.10%
202436,954-1510.41%
202337,105-890.24%
202237,194-2660.71%
202137,460-2340.62%
202037,694-8362.17%
201938,530-2070.53%
201838,737-2870.74%
201739,024-660.17%

Showing 10 of 35 years.

Franklin County Demographics

43.4median age

Median age

Female44.7 yrs
Male40.7 yrs

Adults

29,083
7,835 seniors (65+) · 27% of adults21,248 other adults

Sex

Female 50.3% · 18,783Male 49.7% · 18,540

Population by age

MaleFemale85+ years, male: 31685+ years, female: 54380–84 years, male: 35880–84 years, female: 61475–79 years, male: 69575–79 years, female: 76770–74 years, male: 1,02470–74 years, female: 96065–69 years, male: 1,19165–69 years, female: 1,36760–64 years, male: 1,22060–64 years, female: 1,28655–59 years, male: 1,30855–59 years, female: 1,32650–54 years, male: 1,27850–54 years, female: 1,22745–49 years, male: 1,14845–49 years, female: 1,19440–44 years, male: 85640–44 years, female: 1,42235–39 years, male: 1,27535–39 years, female: 76030–34 years, male: 1,12230–34 years, female: 1,04125–29 years, male: 1,07225–29 years, female: 1,06320–24 years, male: 1,02420–24 years, female: 94115–19 years, male: 1,15215–19 years, female: 1,02710–14 years, male: 1,37710–14 years, female: 1,2325–9 years, male: 1,0735–9 years, female: 9600–4 years, male: 1,0510–4 years, female: 1,05385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 373 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Franklin County Income

$56,740median household income

Median household income

$56,740

Half of households earn more, half earn less

Median earnings

$42,394

Typical yearly pay for a worker 25 or older.

Poverty rate

17.5%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Franklin County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%48%49%
Never married25%30%20%
Divorced16%15%18%
Widowed8%4%13%
Separated2%3%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201