Mill Iron, MT Demographics

Population 197 · Census ACS 2020–24

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Mill Iron, MT map of median age by neighborhood
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Population and households in Mill Iron

Household size in Mill Iron

Household size, people per household
PeriodMill IronMontanaU.S.
2006–102.232.412.68
2010–142.442.452.73
2015–192.102.442.71
2020–242.172.442.65
Change−0.06+0.03−0.03
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Households in Mill Iron are small: just 2.17 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Mill Iron

Median age, years
PeriodMill IronMontanaU.S.
2006–1051.039.937.7
2010–1449.440.838.6
2015–1947.141.539.6
2020–2455.441.540.1
Change+4.5+1.6+2.3
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Mill Iron skews older: half of its residents are older than 55.4, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 51.0 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Mill Iron

Single-parent households, % of households
PeriodMill IronMontanaU.S.
2006–104.7%9.4%12.3%
2010–142.9%9.8%12.3%
2015–192.3%8.7%11.6%
2020–242.0%8.8%11.6%
Change−2.8 pts−0.6 pts−0.6 pts
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Single-parent households are relatively rare in Mill Iron: 2.0% of households, against 11.6% nationally.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Mill Iron

Renters in Mill Iron

Renters, % of occupied homes
PeriodMill IronMontanaU.S.
2006–1024.9%31.0%33.3%
2010–1417.6%32.3%35.6%
2015–1928.0%31.9%36.0%
2020–2437.5%30.8%34.8%
Change+12.6 pts−0.1 pts+1.5 pts
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Renting in Mill Iron is about as common as it is nationally: 37.5% of households rent, against 34.8%. Renters make up a bigger share here than in Montana as a whole (30.8%). About eight in ten owners (80.2%) have paid off their mortgages, well above the national share of 39.8%.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Mill Iron

Vacant homes, % of all homes
PeriodMill IronMontanaU.S.
2006–1031.4%13.2%11.4%
2010–1438.5%13.9%11.4%
2015–1920.2%14.1%11.1%
2020–2427.2%12.2%9.6%
Change−4.2 pts−0.9 pts−1.8 pts
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Vacant homes make up 27.2% of the housing in Mill Iron, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Mill Iron

Age of homes, median year built
PeriodMill IronMontanaU.S.
2006–10196119741974
2010–14196519771975
2015–19197619781977
2020–24197819821980
Change+17+7+6
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Homes in Mill Iron are about the same age as the nation's housing: the median home was built in 1978, versus 1980 nationally. Homes here are older than in Montana as a whole, where the median home dates to 1982.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Mill Iron

Rent, per month
PeriodMill IronMontanaU.S.
2006–10$963$703$965
2010–14$586$775$1,040
2015–19$609$870$1,213
2020–24$784$1,189$1,571
Change−$179+$487+$606
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A typical rental in Mill Iron costs $784 a month with utilities, well below the national median of $1,571. Rent takes 27.5% of the typical renter's income, just under the 30% mark often used to define affordable rent.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Mill Iron

Bachelor's degrees in Mill Iron

Bachelor's degrees, % of adults 25+
PeriodMill IronMontanaU.S.
2006–1014.9%28.7%28.4%
2010–1416.3%29.8%29.6%
2015–1920.3%32.2%32.1%
2020–2420.9%35.3%35.6%
Change+6.0 pts+6.6 pts+7.2 pts
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Fewer adults in Mill Iron have a four-year degree than in the country as a whole: 20.9%, against 35.6% nationally.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Mill Iron

High school graduates, % of adults 25+
PeriodMill IronMontanaU.S.
2006–1091.1%91.2%84.9%
2010–1491.7%92.6%86.1%
2015–1992.5%93.6%87.7%
2020–2494.1%94.6%89.3%
Change+3.1 pts+3.4 pts+4.3 pts
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High school completion in Mill Iron is above the national rate: 94.1% of adults have a diploma, against 89.3%. Montana as a whole looks much the same.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Mill Iron

Unemployment, % of the labor force
PeriodMill IronMontanaU.S.
2006–100.6%5.7%8.1%
2010–141.1%6.9%9.4%
2015–191.6%4.2%5.6%
2020–243.1%3.7%5.4%
Change+2.5 pts−2.0 pts−2.7 pts
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The job market in Mill Iron has been strong: just 3.1% of the labor force was out of work and looking, well below the national rate of 5.4%. Montana as a whole looks much the same. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Mill Iron compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Mill Iron2.1755.42.0%37.5%27.2%1978$78420.9%94.1%3.1%
Ekalaka2.1556.72.4%31.8%25.9%1972$71220.7%94.5%6.0%
Webster2.4440.32.8%27.2%21.3%1987$83222.5%99.3%0.5%
Capitol2.1556.81.3%44.7%29.5%1982$84021.7%92.8%0.5%
Gustave2.2246.34.0%23.5%27.6%1973$52130.4%93.8%0.9%
Willard2.4638.92.9%26.7%20.9%1988$84222.7%99.7%0.0%
Camp Crook2.2246.34.0%23.5%27.6%1973$52130.4%93.8%0.9%
Hammond2.1556.81.3%44.7%29.5%1982$84021.7%92.8%0.5%
Ladner2.2246.34.0%23.5%27.6%1973$52130.4%93.8%0.9%
Ridgeway2.1556.81.3%44.7%29.5%1982$84021.7%92.8%0.5%
Baker2.2935.79.2%32.4%20.6%1979$78214.1%99.6%0.0%

All figures 2020–24.

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About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Mill Iron. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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