Placentia Population

1930–2026

55,203

2026 projection

4.8% since 2020 (increase)

010K20K30K40K50K60K19401960198020002020

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 Placentia. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202655,203+2920.53%
202554,911+1,0802.01%
202453,831+7041.33%
202353,127+5030.96%
202252,624+4150.79%
202152,209-4530.86%
202052,662+1,0662.07%
201951,596-4280.82%
201852,024-3960.76%
201752,420-2610.50%

Showing 10 of 25 years.

Placentia Demographics

39.1median age

Median age

Female39.5 yrs
Male38.8 yrs

Adults

40,542
8,277 seniors · 20%32,265 other adults

Sex

Female 51.6% · 27,240Male 48.4% · 25,586

Population by age

MaleFemale85+ years, male: 43985+ years, female: 68380–84 years, male: 48680–84 years, female: 65175–79 years, male: 64775–79 years, female: 86570–74 years, male: 1,10770–74 years, female: 1,09165–69 years, male: 1,00965–69 years, female: 1,29960–64 years, male: 1,52260–64 years, female: 1,62555–59 years, male: 2,08755–59 years, female: 2,22150–54 years, male: 1,43750–54 years, female: 2,02845–49 years, male: 1,55345–49 years, female: 1,21040–44 years, male: 2,12440–44 years, female: 1,79635–39 years, male: 1,36435–39 years, female: 1,87230–34 years, male: 1,84430–34 years, female: 2,04025–29 years, male: 1,72225–29 years, female: 1,33720–24 years, male: 1,76420–24 years, female: 1,56415–19 years, male: 2,03015–19 years, female: 1,59910–14 years, male: 1,70910–14 years, female: 1,9005–9 years, male: 1,5475–9 years, female: 1,8370–4 years, male: 1,1950–4 years, female: 1,62285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 528 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

Placentia Income

$115,929median household income

Median household income

$115,929

Half of households earn more, half earn less

Median earnings

$60,585

Typical yearly pay for a worker 25 or older.

Poverty rate

7.9%

About 1 in 13 residents

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

Placentia Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%53%49%
Never married33%36%30%
Divorced10%7%13%
Widowed5%3%7%
Separated2%2%2%

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

Sources

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

Population

American Community Survey, 2024 5-year