La Plata County Population

1880–2026

56,866

2026 projection

2.1% since 2020 (increase)

010K20K30K40K50K60K18801900192019401960198020002020

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 La Plata County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202656,866-320.06%
202556,898-320.06%
202456,930+5220.93%
202356,408-1680.30%
202256,576+4120.73%
202156,164+4850.87%
202055,679-7611.35%
201956,440-710.13%
201856,511+7941.43%
201755,717+2580.47%

Showing 10 of 29 years.

La Plata County Demographics

43.2median age

Median age

Female43.9 yrs
Male42.5 yrs

Adults

46,464
11,728 seniors (65+) · 25% of adults34,736 other adults

Sex

Female 49.5% · 27,882Male 50.5% · 28,449

Population by age

MaleFemale85+ years, male: 33185+ years, female: 45980–84 years, male: 46180–84 years, female: 56275–79 years, male: 1,11075–79 years, female: 1,11370–74 years, male: 1,61470–74 years, female: 1,62765–69 years, male: 2,25065–69 years, female: 2,20160–64 years, male: 2,04360–64 years, female: 1,95755–59 years, male: 1,83055–59 years, female: 2,12950–54 years, male: 1,73150–54 years, female: 1,71945–49 years, male: 1,93645–49 years, female: 1,73640–44 years, male: 2,12040–44 years, female: 1,89335–39 years, male: 1,85435–39 years, female: 1,96430–34 years, male: 1,86330–34 years, female: 1,78325–29 years, male: 1,60125–29 years, female: 1,46020–24 years, male: 1,71920–24 years, female: 1,61115–19 years, male: 1,90315–19 years, female: 1,78610–14 years, male: 1,84710–14 years, female: 1,2345–9 years, male: 1,1275–9 years, female: 1,4830–4 years, male: 1,1090–4 years, female: 1,16585+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 563 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

La Plata County Income

$86,056median household income

Median household income

$86,056

Half of households earn more, half earn less

Median earnings

$52,267

Typical yearly pay for a worker 25 or older.

Poverty rate

11.7%

About 1 in 9 residents

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

La Plata County Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%55%54%
Never married28%30%26%
Divorced12%12%13%
Widowed4%2%7%
Separated1%1%1%

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