Monterey County Population

1850–2026

434.01K

2026 projection

1.5% since 2020 (decrease)

0100K200K300K400K500K186018801900192019401960198020002020

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 Monterey County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026434,011+2820.07%
2025433,729+2820.07%
2024433,447-6600.15%
2023434,107-1,7770.41%
2022435,884-3,1780.72%
2021439,062-1,4310.32%
2020440,493+7,1131.64%
2019433,380+210.00%
2018433,359-4440.10%
2017433,803+3670.08%

Showing 10 of 32 years.

Monterey County Demographics

35.5median age

Median age

Female35.9 yrs
Male35.2 yrs

Adults

325,339
65,068 seniors (65+) · 20% of adults260,271 other adults

Sex

Female 49% · 214,371Male 51% · 223,242

Population by age

MaleFemale85+ years, male: 3,49885+ years, female: 4,93180–84 years, male: 2,84080–84 years, female: 3,88975–79 years, male: 5,32475–79 years, female: 6,29670–74 years, male: 8,42970–74 years, female: 8,81165–69 years, male: 10,04565–69 years, female: 11,00560–64 years, male: 11,71960–64 years, female: 11,20555–59 years, male: 12,25355–59 years, female: 12,36750–54 years, male: 13,38350–54 years, female: 11,99045–49 years, male: 13,82345–49 years, female: 12,17840–44 years, male: 15,86640–44 years, female: 13,72735–39 years, male: 15,24235–39 years, female: 13,44230–34 years, male: 15,84930–34 years, female: 14,10925–29 years, male: 15,17825–29 years, female: 13,99120–24 years, male: 15,89620–24 years, female: 14,49115–19 years, male: 16,89815–19 years, female: 16,49310–14 years, male: 16,76810–14 years, female: 16,2175–9 years, male: 15,8585–9 years, female: 15,0010–4 years, male: 14,3730–4 years, female: 14,22885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K15K15K

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 4,376 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

Monterey County Income

$97,230median household income

Median household income

$97,230

Half of households earn more, half earn less

Median earnings

$47,788

Typical yearly pay for a worker 25 or older.

Poverty rate

12.7%

About 1 in 8 residents

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

Monterey County Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%46%45%
Never married40%43%37%
Divorced8%7%9%
Widowed4%2%6%
Separated2%1%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