Demographics of Post Falls city, Idaho

Post Falls city, Idaho had 46,715 people on July 1, 2025, by the Census Bureau’s estimate: +7,395 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Post Falls city, in four figures

46,715
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 43,391 ±35.; +18.8%
Change since July 2020: +7,395 people.; 35.0 ±1.5
Median age: ACS 2020–⁠2024.; $82,183 ±$7,061
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Post Falls city, Idaho's population grew 18.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Post Falls city, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Post Falls city, Idaho's population grew 18.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Post Falls city, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	39,320	100.0	100.0
2021	42,730	108.7	100.2
2022	44,237	112.5	100.7
2023	44,880	114.1	101.6
2024	45,815	116.5	102.5
2025	46,715	118.8	103.1

Population of Post Falls city, Idaho on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	39,320	—
2021	42,730	+3,410
2022	44,237	+1,507
2023	44,880	+643
2024	45,815	+935
2025	46,715	+900

Age, 2020–2024

The median age is 35.0 ±1.5: for men 35.0 ±1.8 and for women 35.1 ±1.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Post Falls city by age, ACS 2020–2024
Age	People	Share	Idaho	United States
Under 5	3,100 ±443	7.1% ±1.0	5.9% ±<0.1	5.6% ±<0.1
5 to 17	8,291 ±781	19.1% ±1.8	18.2% ±0.2	16.3% ±<0.1
18 to 24	3,746 ±645	8.6% ±1.5	9.8% ±0.1	9.1% ±<0.1
25 to 44	12,871 ±986	29.7% ±2.3	26.1% ±0.2	26.9% ±<0.1
45 to 64	8,874 ±876	20.5% ±2.0	23.0% ±0.2	24.8% ±<0.1
65 and over	6,509 ±733	15.0% ±1.7	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $82,183 ±$7,061, and income per person $35,254 ±$2,061, in 2024 dollars. The median is $77,800 ±$743 in Idaho and $80,734 ±$166 in the United States.

Households by income

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Households in Post Falls city by income, ACS 2020–2024
Household income	Households	Share	Idaho	United States
Under $25,000	2,090 ±484	13.1% ±3.0	12.5% ±0.3	14.6% ±<0.1
$25,000 to $49,999	2,313 ±483	14.4% ±3.0	17.6% ±0.4	16.7% ±<0.1
$50,000 to $74,999	2,990 ±470	18.7% ±2.9	18.1% ±0.4	15.5% ±<0.1
$75,000 to $99,999	2,419 ±407	15.1% ±2.5	14.7% ±0.4	12.6% ±<0.1
$100,000 to $149,999	3,765 ±614	23.5% ±3.7	19.3% ±0.4	17.5% ±<0.1
$150,000 to $199,999	1,423 ±316	8.9% ±1.9	8.7% ±0.3	9.6% ±<0.1
$200,000 or more	1,009 ±254	6.3% ±1.6	9.2% ±0.3	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Post Falls city by age, ACS 2020–2024
Age	Below poverty	Rate	Idaho	United States
All ages	4,746 ±1,070	11.1% ±2.5	10.6% ±0.3	12.5% ±0.1
Under 18	1,328 ±452	12.0% ±3.9	12.4% ±0.5	16.1% ±0.1
18 to 59	2,411 ±611	10.4% ±2.6	10.4% ±0.3	11.6% ±0.1
60 and over	1,007 ±280	11.7% ±3.0	9.1% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Post Falls city, ACS 2020–2024
Measure	Post Falls city	Idaho	United States
Housing units	16,862 ±565	795,014 ±223	143,775,355 ±10,234
Occupied	94.9% ±1.4	89.7% ±0.3	89.9% ±0.1
Vacant	5.1% ±1.7	10.3% ±0.3	10.1% ±0.1
Owner occupied	64.1% ±3.5	72.1% ±0.4	65.2% ±0.3
Renter occupied	35.9% ±3.4	27.9% ±0.4	34.8% ±0.1
Median home value	$477,400 ±$18,264	$418,600 ±$2,550	$332,700 ±$236
Median gross rent	$1,469 ±$92	$1,238 ±$16	$1,413 ±$2
Median year built	2005 ±1	1991 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Post Falls city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Idaho	United States
Hispanic or Latino	3,060 ±635	7.1% ±1.5	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	36,605 ±1,025	84.4% ±2.4	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	16 to 174	< 0.1% to 0.4%	0.7% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	241 ±94	0.6% ±0.2	1.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	145 to 537	0.3% to 1.2%	0.7% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 182	0% to 0.4%	0.6% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,964 ±844	6.8% ±1.9	4.2% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Post Falls city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Idaho	United States
Born in the state	12,625 ±1,040	29.1% ±2.4	43.9% ±0.3	57.3% ±<0.1
Born in another state	29,357 ±1,090	67.7% ±2.5	49.1% ±0.3	26.9% ±<0.1
Born a citizen outside the states	518 ±175	1.2% ±0.4	1.0% ±0.1	1.7% ±<0.1
Born abroad	891 ±258	2.1% ±0.6	5.9% ±0.2	14.1% ±<0.1
Naturalized citizens	599 ±200	1.4% ±0.5	2.7% ±0.1	7.4% ±<0.1
Not citizens	136 to 448	0.3% to 1.0%	3.2% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Post Falls city among the places of Idaho

9th of 36 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Idaho page.

Places of Idaho near Post Falls city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Idaho Falls city	67,725 ±50
Caldwell city	66,516 ±50
Pocatello city	57,635 ±38
Coeur d'Alene city	56,447 ±45
Twin Falls city	54,164 ±45
Post Falls city	43,391 ±35
Rexburg city	40,543 ±33
Lewiston city	34,651 ±45
Eagle city	32,855 ±39
Kuna city	27,158 ±31
Moscow city	26,286 ±22

Elsewhere on the site

Reported crime in Post Falls city, Idaho

Rankings this appears in

No. 3 Places in Idaho by median household income
No. 4 Places in Idaho by poverty rate
No. 5 Places in Idaho by median home value
No. 5 Places in Idaho by median rent
No. 8 Places in Idaho by per capita income
No. 10 Places in Idaho by median age

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026