Census tract · Johnson County
Census Tract 15, Johnson County, Iowa
Census Tract 15, GEOID 19103001500, in Johnson County, Iowa, entirely within Iowa City. 2,364 residents in the ACS 2020-2024 5-year estimates (±288); the 2020 Census counted 2,492.
Residents, 2020-2024
2,364
±288 (90% margin)
2020 Census count: 2,492
Median household income
$71,702
±$9,524 (90% margin)
Johnson County: $74,935
Median home value
$245,200
±$19,449 (90% margin)
Johnson County: $308,600
Median gross rent
$1,070
±$103 (90% margin)
Johnson County: $1,122
Where is Census Tract 15?
Census Tract 15 is one of 36 census tracts in Johnson County, Iowa. It covers 0.57 square miles of land, 4,372 residents per square mile in 2020. Its GEOID, 19103001500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Iowa City | 100% |
4 census tracts border Census Tract 15: Tract 12 ($77,557), Tract 14 ($80,897), Tract 16.02 ($36,294) and Tract 17 ($59,458). 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 15?
The 2020-2024 American Community Survey puts Census Tract 15's population at 2,364 (±288) in 1,250 households; the 2020 Census counted 2,492 residents and 1,286 housing units.
| Measure | Tract 15 | Iowa City |
|---|---|---|
| Total population | 2,364 ±288 | 75,752 |
| Households | 1,250 ±124 | 30,816 |
| Average household size | 1.89 ±0.14 | 2.24 |
| Housing units | 1,322 ±123 | 33,863 |
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 15?
The median resident of Census Tract 15 is 42.4 years old; 15.5% are under 18 and 19.9% are 65 or older. The largest group is non-Hispanic white residents at 82.0%, then non-Hispanic residents of two or more races at 7.4%.
| Measure | Tract 15 | Iowa City |
|---|---|---|
| Median age | 42.4 ±3.4 | 26.2 |
| Under 18 years | 15.5% ±2.3 pts | 14.3% |
| 65 years and over | 19.9% ±6.7 pts | 12.3% |
| Hispanic or Latino (any race) | 2.6% ±2.2 pts | 8.1% |
| White alone, not Hispanic | 82.0% ±8.2 pts | 70.4% |
| Black or African American alone, not Hispanic | 6.8% ±4.5 pts | 9.4% |
| Asian alone, not Hispanic | 0.0% ±1.1 pts | 7.1% |
| 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 | 7.4% ±5.2 pts | 4.3% |
| Some other race alone, not Hispanic | 1.3% ±1.9 pts | 0.7% |
| Born outside the United States | 1.5% ±1.9 pts | 12.2% |
| Speak a language other than English at home (age 5+) | 3.0% ±2.5 pts | 18.2% |
| Civilian veterans (age 18+) | 4.6% ±2.5 pts | 3.4% |
| With a disability | 14.3% ±5.7 pts | 11.0% |
| No health insurance coverage | 8.1% ±4.2 pts | 4.5% |
| High school graduate or higher (age 25+) | 97.8% ±1.9 pts | 96.5% |
| Bachelor's degree or higher (age 25+) | 50.9% ±9.0 pts | 60.5% |
| Graduate or professional degree (age 25+) | 16.6% ±6.3 pts | 29.8% |
| Lived in the same house a year earlier | 86.2% ±6.3 pts | 68.7% |
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 15 earn?
Half of the 1,250 households in Census Tract 15 earn less than $71,702 a year (±$9,524), against $74,935 across Johnson County: 18th highest of the county's 36 tracts with a reliable estimate. 10.8% of residents live below the poverty line.
| Measure | Tract 15 | Iowa City |
|---|---|---|
| Median household income | $71,702 ±$9,524 | $58,546 |
| Mean household income | $88,373 ±$13,455 | $90,456 |
| Per capita income | $48,526 ±$5,438 | $37,842 |
| People below the poverty line | 10.8% ±5.5 pts | 26.3% |
| Children under 18 below the poverty line | 23.0% ±18.9 pts | 14.2% |
| Households receiving SNAP | 3.8% ±3.0 pts | 7.0% |
| Households with a computer | 91.7% ±6.3 pts | 97.5% |
| Households with a broadband subscription | 85.2% ±7.3 pts | 86.1% |
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 15?
Owners occupy 69.8% of Census Tract 15's occupied homes and renters 30.2%. The median owner-occupied home is valued at $245,200 by its owner (±$19,449). The median renter pays $1,070 a month including utilities, and 42.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 15 | Iowa City |
|---|---|---|
| Median home value (owner-occupied) | $245,200 ±$19,449 | $285,900 |
| Median gross rent | $1,070 ±$103 | $1,094 |
| Renters paying 35% or more of income on rent | 42.4% ±21.1 pts | 52.1% |
| Median monthly owner costs, with a mortgage | $1,577 ±$62 | $1,813 |
| Owner-occupied homes | 69.8% ±8.8 pts | 47.2% |
| Renter-occupied homes | 30.2% ±8.8 pts | 52.8% |
| Housing units | 1,322 ±123 | 33,863 |
| Single-family detached homes | 82.9% ±6.1 pts | 39.8% |
| Mobile homes | 2.3% ±2.6 pts | 2.1% |
| Built 2020 or later | 0.0% ±1.9 pts | 2.1% |
| Built 2010 to 2019 | 0.5% ±0.9 pts | 16.4% |
| Built 1939 or earlier | 47.4% ±8.8 pts | 11.8% |
| Households with no vehicle | 13.4% ±7.3 pts | 11.0% |
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 15 get to work?
63.3% of Census Tract 15's workers drive alone and 13.1% work from home. The average trip to work takes 20.2 minutes.
| Measure | Tract 15 | Iowa City |
|---|---|---|
| In the labor force (age 16+) | 77.3% ±6.6 pts | 68.4% |
| Unemployment rate | 7.7% ±6.0 pts | 4.6% |
| Drove alone to work | 63.3% ±7.7 pts | 56.2% |
| Carpooled | 4.7% ±2.8 pts | 6.7% |
| Public transportation | 3.7% ±3.4 pts | 6.0% |
| Walked | 11.1% ±5.2 pts | 14.6% |
| Worked from home | 13.1% ±6.0 pts | 12.2% |
| Mean travel time to work | 20.2 min ±3.8 | 17.3 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 15 compare with the other tracts in Johnson County?
Among Johnson County's tracts with a reliable estimate, Census Tract 15 ranks as shown below (1 = highest).
| Measure | In Johnson County | In Iowa City |
|---|---|---|
| Population | 35th of 36 | 18th of 19 |
| Residents per square mile | 11th of 36 | 10th of 19 |
| Median household income | 18th of 36 | 7th of 19 |
| Per capita income | 14th of 36 | 4th of 19 |
| Median home value | 28th of 35 | 14th of 18 |
| Median gross rent | 25th of 36 | 12th of 19 |
| Poverty rate | 20th of 28 | 15th of 18 |
| Bachelor's degree or higher | 24th of 36 | 14th of 19 |
| Median age | 6th of 36 | 3rd of 19 |
| Owner-occupied share | 15th of 34 | 5th of 17 |
The tracts next to it on Johnson County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 105.02 | 15th | $83,194±$12,659 · within the margin of this tract |
| Tract 14 | 16th | $80,897±$14,234 · within the margin of this tract |
| Tract 12 | 17th | $77,557±$21,267 · within the margin of this tract |
| Tract 15 | 18th | $71,702±$9,524 |
| Tract 3.04 | 19th | $70,670±$8,704 · within the margin of this tract |
| Tract 104.02 | 20th | $70,455±$28,855 · within the margin of this tract |
| Tract 23 | 21st | $69,118±$22,092 · within the margin of this tract |
"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 15?
3 of the 18 figures for Census Tract 15 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