Demographics of Park County, Montana

Park County, Montana had 18,214 people on July 1, 2025, by the Census Bureau’s estimate: +985 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Park County, in four figures

18,214
Population: July 1, 2025, Vintage 2025 estimate.; +5.7%
Change since July 2020: +985 people.; 46.0 ±0.4
Median age: ACS 2020–⁠2024.; $70,047 ±$6,130
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Park County, Montana's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Park County, Montana'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).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Park County, Montana's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Park County, Montana'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	17,229	100.0	100.0
2021	17,531	101.8	100.2
2022	17,790	103.3	100.7
2023	17,970	104.3	101.6
2024	18,173	105.5	102.5
2025	18,214	105.7	103.1

3 more columns on a wider screen

Population of Park County, Montana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	17,229	+34	−16	0	+54
2021	17,531	+302	−74	+7	+384
2022	17,790	+259	−48	+6	+277
2023	17,970	+180	−32	+8	+201
2024	18,173	+203	−29	+29	+200
2025	18,214	+41	−29	+12	+57

Age, 2020–2024

The median age is 46.0 ±0.4: for men 46.1 ±0.5 and for women 46.0 ±0.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Park County by age, ACS 2020–2024
Age	People	Share	Montana	United States
Under 5	797 ±49	4.5% ±0.3	5.2% ±<0.1	5.6% ±<0.1
5 to 17	2,193 ±201	12.4% ±1.1	15.8% ±0.2	16.3% ±<0.1
18 to 24	934 ±243	5.3% ±1.4	9.0% ±0.2	9.1% ±<0.1
25 to 44	4,666 ±311	26.3% ±1.8	25.8% ±0.2	26.9% ±<0.1
45 to 64	4,760 ±298	26.9% ±1.7	24.1% ±0.2	24.8% ±<0.1
65 and over	4,360 ±322	24.6% ±1.8	20.1% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $70,047 ±$6,130, and income per person $46,469 ±$3,479, in 2024 dollars. The median is $72,509 ±$761 in Montana and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Park County by income, ACS 2020–2024
Household income	Households	Share	Montana	United States
Under $25,000	1,349 ±253	16.1% ±3.0	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	1,547 ±277	18.5% ±3.3	19.4% ±0.5	16.7% ±<0.1
$50,000 to $74,999	1,550 ±280	18.5% ±3.3	17.3% ±0.4	15.5% ±<0.1
$75,000 to $99,999	996 ±223	11.9% ±2.6	13.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	1,498 ±269	17.9% ±3.2	17.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	552 ±136	6.6% ±1.6	8.2% ±0.3	9.6% ±<0.1
$200,000 or more	874 ±221	10.4% ±2.6	9.0% ±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).

2 more columns on a wider screen

Poverty rate in Park County by age, ACS 2020–2024
Age	Below poverty	Rate	Montana	United States
All ages	2,168 ±468	12.3% ±2.7	11.5% ±0.3	12.5% ±0.1
Under 18	579 ±195	19.5% ±6.3	12.7% ±0.6	16.1% ±0.1
18 to 59	999 ±238	11.1% ±2.6	11.7% ±0.4	11.6% ±0.1
60 and over	590 ±175	10.5% ±3.0	10.3% ±0.4	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Park County, ACS 2020–2024
Measure	Park County	Montana	United States
Housing units	9,635 ±42	528,419 ±3,257	143,775,355 ±10,234
Occupied	86.8% ±2.2	86.8% ±0.5	89.9% ±0.1
Vacant	13.2% ±2.3	13.2% ±0.3	10.1% ±0.1
Owner occupied	69.4% ±3.8	69.2% ±0.6	65.2% ±0.3
Renter occupied	30.6% ±3.9	30.8% ±0.4	34.8% ±0.1
Median home value	$467,500 ±$21,633	$375,800 ±$3,433	$332,700 ±$236
Median gross rent	$976 ±$84	$1,081 ±$14	$1,413 ±$2
Median year built	1980 ±4	1981 ±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

2 more columns on a wider screen

People in Park County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Montana	United States
Hispanic or Latino	638 ±0	3.6% ±<0.1	4.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	16,101 ±183	90.9% ±1.0	83.6% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	0 to 82	0% to 0.5%	0.4% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	16 to 54	0.1% to 0.3%	0.8% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	19 to 169	0.1% to 1.0%	5.3% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 18	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 18	0% to 0.1%	0.5% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	797 ±196	4.5% ±1.1	4.7% ±0.2	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).

2 more columns on a wider screen

People in Park County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Montana	United States
Born in the state	6,424 ±599	36.3% ±3.4	52.1% ±0.5	57.3% ±<0.1
Born in another state	10,638 ±609	60.1% ±3.4	44.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	76 to 334	0.4% to 1.9%	0.8% ±0.1	1.7% ±<0.1
Born abroad	443 ±123	2.5% ±0.7	2.3% ±0.1	14.1% ±<0.1
Naturalized citizens	248 ±89	1.4% ±0.5	1.2% ±0.1	7.4% ±<0.1
Not citizens	195 ±89	1.1% ±0.5	1.1% ±0.1	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%.

Park County among the counties of Montana

11th of 56 by population, July 2025. Every one is listed on the Montana page.

Counties of Montana near Park County in population, July 2025
County	July 2025	Change since 2020
Lewis and Clark County	75,331	+5.8%
Ravalli County	48,582	+9.4%
Silver Bow County	36,118	+2.6%
Lake County	33,392	+6.9%
Lincoln County	22,328	+13.1%
Park County	18,214	+5.7%
Hill County	16,167	−0.5%
Sanders County	14,062	+12.9%
Glacier County	13,463	−2.0%
Jefferson County	13,329	+9.8%
Big Horn County	12,752	−2.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — 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

Data retrieved September 25, 2026