City · Iowa

West Union, Iowa

West Union, city, in Fayette County, Iowa. West Union had 2,424 residents on July 1, 2025 by the Census Bureau's estimate, down 2.4% since 2020; the 2020 Census counted 2,490 and the ACS 2020-2024 5-year estimates put it at 2,489 (±282). GEOID 1984765.

Residents, July 2025 estimate

2,424

Census Bureau estimate (no margin published)
2020 Census count: 2,490 · ACS 2020-2024: 2,489 ±282

Median household income

$53,617

±$6,600 (90% margin)
Iowa: $75,059

Median home value

$121,000

±$16,659 (90% margin)
Iowa: $208,000

Median gross rent

$967

±$66 (90% margin)
Iowa: $972

Where is West Union and what county is it in?

West Union is a city in Fayette County, Iowa. It covers 2.7 square miles of land, 906 residents per square mile in 2020.

West Union (marked with a dot) in Fayette County, Iowa. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in West Union, and is it growing?

The Census Bureau estimates that 2,424 people lived in West Union on July 1, 2025, down 2.4% since 2020, while Iowa grew 1.5%. The 2020 Census counted 2,490 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 2,489 (±282).

  • July 2020→2021 −18 (2,458)
  • 2021→2022 −11 (2,447)
  • 2022→2023 −4 (2,443)
  • 2023→2024 −13 (2,430)
  • 2024→2025 −6 (2,424)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure West UnionFayette CountyIowa Change since 2015-2019
Total population 2,489 ±282 19,288 3,210,507 no clear change
Households 1,106 ±136 8,342 1,315,707 no clear change
Average household size 2.12 ±0.16 2.22 2.36 no clear change
Housing units 1,303 ±137 9,320 1,437,699 no clear change

West Union's population since 2000

From 2,549 in 2000 to 2,424 in 2025: down 4.9%. The 2000, 2010 and 2020 figures are census counts, each for West Union as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 2,549
  • 2005 (estimate) 2,516
  • 2010 Census 2,486
  • 2015 (estimate) 2,404
  • 2020 Census 2,490
  • 2025 (estimate) 2,424

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in West Union?

The median resident of West Union is 41.7 years old; 25.8% are under 18 and 26.5% are 65 or older. The largest group is non-Hispanic white residents at 86.0%, then Hispanic or Latino residents (of any race) at 9.3%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure West UnionFayette CountyIowa Change since 2015-2019
Median age 41.7 ±5.9 43.9 38.6 no clear change
Under 18 years 25.8% ±4.6 pts 21.4% 22.9% –
65 years and over 26.5% ±3.7 pts 22.9% 18.1% –
Male 48.6% ±4.4 pts 50.3% 50.2% –
Hispanic or Latino (any race) 9.3% ±4.6 pts 3.1% 7.3% no clear change
White alone, not Hispanic 86.0% ±5.3 pts 91.0% 82.3% no clear change
Black or African American alone, not Hispanic 0.7% ±0.7 pts 0.8% 3.8% –
Asian alone, not Hispanic 2.7% ±3.1 pts 0.9% 2.5% –
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.1 pts 0.3% 0.2% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±1.0 pts 0.0% 0.2% –
Two or more races, not Hispanic 1.3% ±1.4 pts 3.7% 3.5% –
Some other race alone, not Hispanic 0.0% ±1.0 pts 0.1% 0.3% –
Born outside the United States 4.3% ±3.5 pts 2.1% 5.9% –
Speak a language other than English at home (age 5+) 12.7% ±6.0 pts 3.8% 9.1% –
Civilian veterans (age 18+) 6.3% ±2.3 pts 8.4% 6.5% –
With a disability 15.6% ±3.7 pts 15.8% 12.6% –
No health insurance coverage 7.4% ±4.3 pts 5.6% 5.0% no clear change
High school graduate or higher (age 25+) 91.2% ±3.8 pts 93.1% 93.3% –
Bachelor's degree or higher (age 25+) 23.6% ±5.4 pts 20.7% 31.4% no clear change
Graduate or professional degree (age 25+) 7.7% ±2.8 pts 6.0% 10.5% –
Lived in the same house a year earlier 85.8% ±4.2 pts 89.5% 87.1% –
Moved from another state in the past year 2.0% ±1.9 pts 2.3% 2.2% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in West Union earn?

Half of West Union's 1,106 households earn less than $53,617 a year (±$6,600), against $60,165 in Fayette County and $75,059 in Iowa. In 2015-2019 it was $59,381 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure West UnionFayette CountyIowa Change since 2015-2019
Median household income $53,617 ±$6,600 $60,165 $75,059 no clear change
Mean household income $68,332 ±$8,705 $80,301 $98,187 –
Per capita income $29,792 ±$2,982 $35,469 $40,877 −$6,319
People below the poverty line 11.6% ±5.5 pts 12.0% 11.1% no clear change
Children under 18 below the poverty line 24.4% ±15.6 pts 15.6% 12.9% no clear change
Households receiving SNAP 7.4% ±4.0 pts 8.3% 8.8% –
Households with a computer 86.6% ±5.9 pts 90.7% 94.7% –
Households with a broadband subscription 82.4% ±6.0 pts 85.3% 88.9% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in West Union?

Owners occupy 62.2% of West Union's occupied homes and renters 37.8%. The median owner-occupied home is valued at $121,000 by its owner (±$16,659). The median renter pays $967 a month including utilities, and 33.6% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure West UnionFayette CountyIowa Change since 2015-2019
Median home value (owner-occupied) $121,000 ±$16,659 $136,800 $208,000 no clear change
Median gross rent $967 ±$66 $881 $972 +$305
Renters paying 35% or more of income on rent 33.6% ±15.3 pts 36.1% 35.2% no clear change
Median monthly owner costs, with a mortgage $1,103 ±$150 $1,239 $1,533 –
Owner-occupied homes 62.2% ±7.1 pts 76.5% 71.7% no clear change
Renter-occupied homes 37.8% ±7.1 pts 23.5% 28.3% –
Housing units 1,303 ±137 9,320 1,437,699 no clear change
Homeowner vacancy rate 0.7% ±1.1 pts 0.7% 0.8% –
Rental vacancy rate 11.5% ±9.1 pts 5.9% 5.7% –
Single-family detached homes 78.1% ±5.8 pts 84.5% 72.2% –
Mobile homes 7.4% ±4.1 pts 5.6% 3.2% –
Built 2020 or later 0.0% ±1.9 pts 0.1% 1.7% –
Built 2010 to 2019 1.9% ±1.3 pts 4.0% 9.2% –
Built 1939 or earlier 35.2% ±6.3 pts 41.0% 23.5% –
Households with no vehicle 11.4% ±6.0 pts 5.7% 5.4% –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is West Union building?

Builders took permits for 0 new housing units in West Union in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 4.2 across Iowa.

  • 2019 2 units
  • 2020 1 units
  • 2021 0 units
  • 2022 3 units
  • 2023 0 units
  • 2024 2 units
  • 2025 0 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in West Union work and get to work?

85.9% of West Union's workers drive alone. The average trip to work takes 18.5 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure West UnionFayette CountyIowa Change since 2015-2019
In the labor force (age 16+) 56.9% ±5.2 pts 60.7% 66.4% –
Unemployment rate 1.4% ±1.4 pts 3.2% 3.6% –
Drove alone to work 85.9% ±4.4 pts 79.4% 76.0% –
Carpooled 3.8% ±2.4 pts 7.4% 7.8% –
Public transportation 0.0% ±2.2 pts 0.3% 0.7% –
Walked 4.7% ±2.5 pts 4.5% 2.9% –
Worked from home 4.8% ±3.2 pts 7.3% 11.3% –
Mean travel time to work 18.5 min ±2.7 22.5 min 19.8 min +3.6 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in West Union?

1 census tract lies mostly in West Union, and 1 more reaches into it (2020 census blocks).

Census tracts in West Union, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in West Union
Tract 801Fayette County2,633 $54,202 $125,00084%
Tract 807Fayette County2,624 $81,167 $168,8000%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in West Union) · Census block assignment files

How does West Union compare with other places in Iowa?

By the Census Bureau's July 2025 estimates, West Union is the 7,004th-most populous of the 19,476 U.S. incorporated places that have one and the 142nd-most populous of 939 in Iowa.

West Union ranks 257th of 279 places in Iowa with 1,000 or more residents and a reliable estimate, by median household income.

West Union's rank in Iowa (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate142nd939
Growth 2020-2025 (PEP)212th275
Residents per square mile184th279
Median household income257th279
Per capita income248th279
Median home value228th279
Median gross rent61st266
Poverty rate96th232
Bachelor's degree or higher150th279
Median age95th279
Owner-occupied share253rd279
Travel time to work179th279

West Union's figures with every place in Iowa (CSV)

Every place in Iowa, sortable · Compare West Union with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for West Union?

15 of the 57 figures for West Union on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for West Union are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in West Union.