Delta County Population

1890–2026

32,062

2026 projection

3.2% since 2020 (increase)

05K10K15K20K25K30K35K1900192019401960198020002020

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 Delta County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202632,062-1160.36%
202532,178-1160.36%
202432,294+5081.60%
202331,786+2110.67%
202231,575+1610.51%
202131,414+3521.13%
202031,062+410.13%
201931,021+1860.60%
201830,835+3191.05%
201730,516+1640.54%

Showing 10 of 28 years.

Delta County Demographics

48.1median age

Median age

Female50.4 yrs
Male46 yrs

Adults

25,569
8,973 seniors (65+) · 35% of adults16,596 other adults

Sex

Female 49.9% · 15,771Male 50.1% · 15,827

Population by age

MaleFemale85+ years, male: 50985+ years, female: 59180–84 years, male: 42680–84 years, female: 61375–79 years, male: 68875–79 years, female: 65470–74 years, male: 1,33670–74 years, female: 1,25865–69 years, male: 1,36665–69 years, female: 1,53260–64 years, male: 1,18860–64 years, female: 1,52255–59 years, male: 1,00955–59 years, female: 87750–54 years, male: 78750–54 years, female: 88645–49 years, male: 88145–49 years, female: 82240–44 years, male: 1,04540–44 years, female: 91035–39 years, male: 84335–39 years, female: 82230–34 years, male: 75630–34 years, female: 68425–29 years, male: 76525–29 years, female: 63920–24 years, male: 82420–24 years, female: 73015–19 years, male: 92615–19 years, female: 82610–14 years, male: 1,10210–14 years, female: 9305–9 years, male: 6945–9 years, female: 7180–4 years, male: 6820–4 years, female: 75785+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 316 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

Delta County Income

$57,774median household income

Median household income

$57,774

Half of households earn more, half earn less

Median earnings

$44,082

Typical yearly pay for a worker 25 or older.

Poverty rate

14%

About 1 in 7 residents

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

Delta County 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%51%50%
Never married23%27%18%
Divorced17%16%18%
Widowed8%4%12%
Separated1%2%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