Census tract · Iron County
Census Tract 1803, Iron County, Wisconsin
Census Tract 1803, GEOID 55051180300, in Iron County, Wisconsin, mostly within Mercer (town) (57% of its census blocks). 2,124 residents in the ACS 2020-2024 5-year estimates (±161); the 2020 Census counted 2,169.
Residents, 2020-2024
2,124
±161 (90% margin)
2020 Census count: 2,169
Median household income
$63,375
±$4,045 (90% margin)
Iron County: $60,625
Median home value
$296,800
±$27,435 (90% margin)
Iron County: $165,900
Median gross rent
not published
Iron County: $662
Where is Census Tract 1803?
Census Tract 1803 is one of 4 census tracts in Iron County, Wisconsin. It covers 335.80 square miles of land, 6 residents per square mile in 2020. Its GEOID, 55051180300, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mercer (town) | 57% |
| Sherman (town), Iron County | 23% |
| Oma (town) | 18% |
| Mercer | 11% |
| Carey (town) | 2% |
6 census tracts border Census Tract 1803: Tract 9507 in Ashland County ($61,250), Tract 1801 ($54,234), Tract 1802 ($66,806), Tract 9701 in Price County ($66,458), Tract 9400 in Vilas County ($57,321) and Tract 9506.01 in Vilas County ($74,803). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 1803?
The 2020-2024 American Community Survey puts Census Tract 1803's population at 2,124 (±161) in 1,109 households; the 2020 Census counted 2,169 residents and 2,841 housing units.
| Measure | Tract 1803 | Mercer (town) |
|---|---|---|
| Total population | 2,124 ±161 | 1,485 |
| Households | 1,109 ±89 | 755 |
| Average household size | 1.91 ±0.11 | 1.97 |
| Housing units | 2,797 ±81 | 1,837 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 1803?
The median resident of Census Tract 1803 is 63.8 years old; 10.5% are under 18 and 46.0% are 65 or older. The largest group is non-Hispanic white residents at 94.8%, then non-Hispanic residents of two or more races at 4.5%. 1.3% of residents were born outside the United States.
| Measure | Tract 1803 | Mercer (town) |
|---|---|---|
| Median age | 63.8 ±1.1 | 63.4 |
| Under 18 years | 10.5% ±2.9 pts | 11.4% |
| 65 years and over | 46.0% ±3.9 pts | 44.4% |
| Hispanic or Latino (any race) | 0.6% ±0.6 pts | 0.7% |
| White alone, not Hispanic | 94.8% ±2.6 pts | 95.3% |
| Black or African American alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Asian alone, not Hispanic | 0.1% ±0.2 pts | 0.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Two or more races, not Hispanic | 4.5% ±2.6 pts | 4.0% |
| Some other race alone, not Hispanic | 0.0% ±1.1 pts | 0.0% |
| Born outside the United States | 1.3% ±0.7 pts | 1.3% |
| Speak a language other than English at home (age 5+) | 2.5% ±1.4 pts | 2.3% |
| Civilian veterans (age 18+) | 12.0% ±2.6 pts | 11.8% |
| With a disability | 15.1% ±3.1 pts | 14.9% |
| No health insurance coverage | 2.0% ±0.9 pts | 1.3% |
| High school graduate or higher (age 25+) | 94.4% ±2.0 pts | 93.4% |
| Bachelor's degree or higher (age 25+) | 34.5% ±4.6 pts | 33.9% |
| Graduate or professional degree (age 25+) | 9.1% ±2.1 pts | 7.6% |
| Lived in the same house a year earlier | 93.1% ±2.0 pts | 93.4% |
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 Census Tract 1803 earn?
Half of the 1,109 households in Census Tract 1803 earn less than $63,375 a year (±$4,045), against $60,625 across Iron County: 2nd highest of the county's 3 tracts with a reliable estimate. 9.2% of residents live below the poverty line.
| Measure | Tract 1803 | Mercer (town) |
|---|---|---|
| Median household income | $63,375 ±$4,045 | $63,281 |
| Mean household income | $74,910 ±$4,481 | $72,976 |
| Per capita income | $39,453 ±$2,430 | $37,515 |
| People below the poverty line | 9.2% ±2.4 pts | 9.5% |
| Children under 18 below the poverty line | 24.2% ±11.7 pts | 22.3% |
| Households receiving SNAP | 7.5% ±2.4 pts | 8.9% |
| Households with a computer | 95.3% ±2.3 pts | 94.3% |
| Households with a broadband subscription | 90.6% ±2.6 pts | 89.1% |
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 Census Tract 1803?
Owners occupy 91.3% of Census Tract 1803's occupied homes and renters 8.7%. The median owner-occupied home is valued at $296,800 by its owner (±$27,435).
| Measure | Tract 1803 | Mercer (town) |
|---|---|---|
| Median home value (owner-occupied) | $296,800 ±$27,435 | $287,100 |
| Renters paying 35% or more of income on rent | 22.4% ±10.8 pts | 22.0% |
| Median monthly owner costs, with a mortgage | $1,542 ±$132 | $1,399 |
| Owner-occupied homes | 91.3% ±2.3 pts | 89.9% |
| Renter-occupied homes | 8.7% ±2.3 pts | 10.1% |
| Housing units | 2,797 ±81 | 1,837 |
| Single-family detached homes | 93.1% ±1.8 pts | 91.7% |
| Mobile homes | 2.5% ±1.1 pts | 2.2% |
| Built 2020 or later | 0.9% ±0.6 pts | 0.4% |
| Built 2010 to 2019 | 5.6% ±1.7 pts | 5.3% |
| Built 1939 or earlier | 9.5% ±2.3 pts | 10.0% |
| Households with no vehicle | 2.4% ±1.3 pts | 3.4% |
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 do people in Census Tract 1803 get to work?
75.9% of Census Tract 1803's workers drive alone and 14.2% work from home. The average trip to work takes 26.3 minutes.
| Measure | Tract 1803 | Mercer (town) |
|---|---|---|
| In the labor force (age 16+) | 37.0% ±3.6 pts | 37.7% |
| Unemployment rate | 1.3% ±1.1 pts | 0.6% |
| Drove alone to work | 75.9% ±5.7 pts | 81.8% |
| Carpooled | 6.6% ±3.8 pts | 5.7% |
| Public transportation | 0.0% ±3.2 pts | 0.0% |
| Walked | 0.7% ±1.2 pts | 0.8% |
| Worked from home | 14.2% ±4.6 pts | 10.3% |
| Mean travel time to work | 26.3 min ±3.6 | 26.8 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
How does Census Tract 1803 compare with the other tracts in Iron County?
Among Iron County's tracts with a reliable estimate, Census Tract 1803 ranks as shown below (1 = highest).
| Measure | In Iron County |
|---|---|
| Population | 2nd of 3 |
| Residents per square mile | 2nd of 3 |
| Median household income | 2nd of 3 |
| Per capita income | 1st of 3 |
| Median home value | 1st of 3 |
| Poverty rate | 2nd of 3 |
| Bachelor's degree or higher | 1st of 3 |
| Median age | 1st of 3 |
| Owner-occupied share | 2nd of 3 |
The tracts next to it on Iron County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 1802 | 1st | $66,806±$8,033 · within the margin of this tract |
| Tract 1803 | 2nd | $63,375±$4,045 |
| Tract 1801 | 3rd | $54,234±$4,043 |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 1803?
3 of the 17 figures for Census Tract 1803 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.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections