Waldo County Population

1830–2026

40,775

2026 projection

2.8% since 2020 (increase)

010K20K30K40K50K1850190019502000

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 Waldo County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202640,775+820.20%
202540,693+820.20%
202440,611+1360.34%
202340,475+2790.69%
202240,196+2080.52%
202139,988+3220.81%
202039,666-890.22%
201939,755+770.19%
201839,678-1130.28%
201739,791+3230.82%

Showing 10 of 34 years.

Waldo County Demographics

47.4median age

Median age

Female48.4 yrs
Male46.5 yrs

Adults

33,068
10,091 seniors (65+) · 31% of adults22,977 other adults

Sex

Female 50.4% · 20,263Male 49.6% · 19,929

Population by age

MaleFemale85+ years, male: 26385+ years, female: 42480–84 years, male: 47480–84 years, female: 59675–79 years, male: 97475–79 years, female: 98270–74 years, male: 1,25770–74 years, female: 1,54765–69 years, male: 1,81765–69 years, female: 1,75760–64 years, male: 1,60860–64 years, female: 1,74255–59 years, male: 1,39255–59 years, female: 1,40250–54 years, male: 1,32550–54 years, female: 1,27445–49 years, male: 1,29145–49 years, female: 1,19640–44 years, male: 1,37540–44 years, female: 1,34635–39 years, male: 98135–39 years, female: 1,07130–34 years, male: 1,09230–34 years, female: 1,13525–29 years, male: 97125–29 years, female: 93220–24 years, male: 98120–24 years, female: 91915–19 years, male: 1,13715–19 years, female: 1,15910–14 years, male: 1,26510–14 years, female: 1,1475–9 years, male: 8615–9 years, female: 7860–4 years, male: 8650–4 years, female: 84885+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 402 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

Waldo County Income

$72,782median household income

Median household income

$72,782

Half of households earn more, half earn less

Median earnings

$46,261

Typical yearly pay for a worker 25 or older.

Poverty rate

12%

About 1 in 8 residents

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

Waldo County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%55%51%
Never married27%29%25%
Divorced14%13%15%
Widowed6%3%9%
Separated<1%<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