Louisa County Population

1790–2026

43,672

2026 projection

15.6% since 2020 (increase)

010K20K30K40K50K18001850190019502000

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 Louisa County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202643,672+7481.74%
202542,924+7481.77%
202442,176+1,1402.78%
202341,036+1,0472.62%
202239,989+9612.46%
202139,028+1,2433.29%
202037,785+3080.82%
201937,477+8212.24%
201836,656+8532.38%
201735,803+6011.71%

Showing 10 of 38 years.

Louisa County Demographics

44.8median age

Median age

Female45.9 yrs
Male44.1 yrs

Adults

31,987
8,404 seniors (65+) · 26% of adults23,583 other adults

Sex

Female 50% · 19,974Male 50% · 20,006

Population by age

MaleFemale85+ years, male: 29185+ years, female: 48480–84 years, male: 32680–84 years, female: 43075–79 years, male: 81575–79 years, female: 66870–74 years, male: 1,21970–74 years, female: 1,29865–69 years, male: 1,44265–69 years, female: 1,43160–64 years, male: 1,70860–64 years, female: 1,81555–59 years, male: 1,48055–59 years, female: 1,62150–54 years, male: 1,25350–54 years, female: 1,25645–49 years, male: 1,07245–49 years, female: 1,22040–44 years, male: 1,46840–44 years, female: 1,32535–39 years, male: 1,13035–39 years, female: 1,20530–34 years, male: 1,20630–34 years, female: 1,17225–29 years, male: 1,14625–29 years, female: 1,00820–24 years, male: 99220–24 years, female: 93115–19 years, male: 1,11015–19 years, female: 93710–14 years, male: 1,22510–14 years, female: 1,0955–9 years, male: 1,0055–9 years, female: 1,0850–4 years, male: 1,1180–4 years, female: 99385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 400 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

Louisa County Income

$86,689median household income

Median household income

$86,689

Half of households earn more, half earn less

Median earnings

$50,821

Typical yearly pay for a worker 25 or older.

Poverty rate

10%

About 1 in 10 residents

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

Louisa County Marital Status

58% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married58%59%56%
Never married23%25%21%
Divorced11%11%11%
Widowed6%3%10%
Separated2%2%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year