Flat Willow Colony vs Roundup

A side-by-side comparison of Flat Willow Colony and Roundup: population, income, housing, and more.

Flat Willow Colony and Roundup are places in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Roundup has the higher population (1,964 vs 0 in Flat Willow Colony). Since 2019, Roundup's population has grown faster (+9.7% vs -100.0%).

Population, income & housing

	Flat Willow Colony	Roundup
Population	0	1,964
Median age	—	45.2 yrs
Median household income	—	$57,632
Median home value	—	$118,300
Median gross rent	—	$886
Housing units	0	1,048
Homeownership rate	—	72.6%
Bachelor's degree or higher	—	13.4%
Unemployment rate	—	5.3%

Trends (ACS 5-year, 2019–2023)

	Flat Willow Colony	Roundup
Population	47 → 0 (-100.0%)	1,790 → 1,964 (+9.7%)
Median household income	—	$34,310 → $57,632 (+68.0%)
Median home value	—	$97,500 → $118,300 (+21.3%)
Median gross rent	—	$767 → $886 (+15.5%)

Flat Willow Colony

Population

470

Roundup

Population

1,7901,964

Median household income

$34,310$57,632

Median home value

$97,500$118,300

Median gross rent

$767$886

Age & race/ethnicity

Age distribution (share)

	Flat Willow Colony	Roundup
Under 5	—	3.2%
5 to 17	—	19.6%
18 to 24	—	6.6%
25 to 34	—	10.6%
35 to 44	—	9.6%
45 to 54	—	11.9%
55 to 64	—	14.3%
65 to 74	—	15.3%
75 and over	—	8.9%

Race & ethnicity (share)

	Flat Willow Colony	Roundup
White (non-Hispanic)	—	88.0%
Black or African American	—	0.0%
American Indian & Alaska Native	—	2.0%
Asian	—	0.0%
Native Hawaiian & Pacific Islander	—	0.0%
Some other race	—	0.0%
Two or more races	—	3.8%
Hispanic or Latino	—	6.3%

Educational attainment (age 25+)

Share of adults 25+

	Flat Willow Colony	Roundup
No high school diploma	—	10.4%
High school graduate	—	48.2%
Some college or associate's	—	28.0%
Bachelor's degree	—	10.6%
Graduate or professional degree	—	2.8%

Commute to work

How workers get to work (share)

	Flat Willow Colony	Roundup
Drove alone	—	62.4%
Carpooled	—	11.4%
Public transit	—	0.0%
Walked	—	4.2%
Bicycle	—	0.0%
Worked from home	—	17.6%
Other means	—	4.4%

Housing

Units in structure (share)

	Flat Willow Colony	Roundup
1-unit, detached	—	81.3%
1-unit, attached	—	2.7%
2 to 4 units	—	1.6%
5 to 19 units	—	0.0%
20 or more units	—	2.4%
Mobile home & other	—	12.0%

Poverty & households

	Flat Willow Colony	Roundup
Poverty rate	—	14.5%
Average household size	—	2.23
Mean commute (minutes)	—	19
Median year structure built	—	1951