Post Falls Population

1900–2026

48,338

2026 projection

25.6% since 2020 (increase)

010K20K30K40K50K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Post Falls. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202648,338+1,6233.47%
202546,715+9001.96%
202445,815+9352.08%
202344,880+6431.45%
202244,237+1,5073.53%
202142,730+4,24511.03%
202038,485+2,0305.57%
201936,455+1,6044.60%
201834,851+1,3714.09%
201733,480+1,7465.50%

Showing 10 of 28 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Post Falls is growing faster than Kootenai County, Idaho, and the U.S.

  • Post Falls+18.8%
  • Kootenai County+11.0%
  • Idaho+9.8%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Post Falls Demographics

35median age

Median age

Female35.1 yrs
Male35 yrs

Adults

32,000
6,509 seniors (65+) · 20% of adults25,491 other adults

Sex

Female 50.5% · 21,905Male 49.5% · 21,486

Population by age

MaleFemale85+ years, male: 33785+ years, female: 50780–84 years, male: 39680–84 years, female: 33375–79 years, male: 36075–79 years, female: 57770–74 years, male: 83770–74 years, female: 95265–69 years, male: 97965–69 years, female: 1,23160–64 years, male: 87360–64 years, female: 1,41455–59 years, male: 1,24955–59 years, female: 1,06650–54 years, male: 1,20450–54 years, female: 92345–49 years, male: 1,21245–49 years, female: 93340–44 years, male: 1,70140–44 years, female: 1,35335–39 years, male: 1,59335–39 years, female: 1,68530–34 years, male: 1,72530–34 years, female: 1,70525–29 years, male: 1,43325–29 years, female: 1,67620–24 years, male: 1,43420–24 years, female: 1,38115–19 years, male: 1,57815–19 years, female: 1,61210–14 years, male: 1,44910–14 years, female: 1,5865–9 years, male: 1,5055–9 years, female: 1,4920–4 years, male: 1,6210–4 years, female: 1,47985+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 434 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

Post Falls Income

$82,183median household income

Median household income

$82,183

Half of households earn more, half earn less

Median earnings

$50,660

Typical yearly pay for a worker 25 or older.

Poverty rate

11.1%

About 1 in 9 residents

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

Post Falls 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%52%49%
Never married30%34%27%
Divorced12%11%14%
Widowed5%2%9%
Separated2%1%2%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources