Census tract · Polk County
Census Tract 117.02, Polk County, Iowa
Census Tract 117.02, GEOID 19153011702, in Polk County, Iowa, mostly within Johnston (76% of its census blocks). 4,290 residents in the ACS 2020-2024 5-year estimates (±585); the 2020 Census counted 3,906.
Residents, 2020-2024
4,290
±585 (90% margin)
2020 Census count: 3,906
Median household income
$85,422
±$7,866 (90% margin)
Polk County: $83,576
Median home value
$302,200
±$33,293 (90% margin)
Polk County: $262,100
Median gross rent
$1,368
±$63 (90% margin)
Polk County: $1,149
Where is Census Tract 117.02?
Census Tract 117.02 is one of 112 census tracts in Polk County, Iowa. It covers 3.48 square miles of land, 1,124 residents per square mile in 2020. Its GEOID, 19153011702, names it uniquely (how tract numbers and GEOIDs work).
6 census tracts border Census Tract 117.02: Tract 7.02 ($79,196), Tract 8.01 ($76,786), Tract 104.09 ($97,604), Tract 105 ($95,397), Tract 114.06 ($93,417) and Tract 117.04 ($154,928). 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 117.02?
The 2020-2024 American Community Survey puts Census Tract 117.02's population at 4,290 (±585) in 1,883 households; the 2020 Census counted 3,906 residents and 1,948 housing units.
| Measure | Tract 117.02 | Johnston |
|---|---|---|
| Total population | 4,290 ±585 | 24,384 |
| Households | 1,883 ±236 | 9,259 |
| Average household size | 2.18 ±0.18 | 2.61 |
| Housing units | 2,074 ±229 | 9,720 |
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 117.02?
The median resident of Census Tract 117.02 is 39.8 years old; 22.6% are under 18 and 24.8% are 65 or older. The largest group is non-Hispanic white residents at 78.6%, then non-Hispanic Black residents at 7.2%. 10.6% of residents were born outside the United States.
| Measure | Tract 117.02 | Johnston |
|---|---|---|
| Median age | 39.8 ±6.7 | 37.4 |
| Under 18 years | 22.6% ±5.0 pts | 30.5% |
| 65 years and over | 24.8% ±5.3 pts | 15.3% |
| Hispanic or Latino (any race) | 4.1% ±2.6 pts | 2.7% |
| White alone, not Hispanic | 78.6% ±7.8 pts | 75.9% |
| Black or African American alone, not Hispanic | 7.2% ±4.7 pts | 10.6% |
| Asian alone, not Hispanic | 7.1% ±6.3 pts | 7.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.4 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 2.3% ±1.9 pts | 3.4% |
| Some other race alone, not Hispanic | 0.4% ±0.7 pts | 0.1% |
| Born outside the United States | 10.6% ±5.4 pts | 9.5% |
| Speak a language other than English at home (age 5+) | 16.3% ±8.1 pts | 12.4% |
| Civilian veterans (age 18+) | 6.2% ±2.6 pts | 5.0% |
| With a disability | 10.9% ±3.8 pts | 7.2% |
| No health insurance coverage | 5.0% ±3.0 pts | 1.7% |
| High school graduate or higher (age 25+) | 91.2% ±4.2 pts | 96.9% |
| Bachelor's degree or higher (age 25+) | 49.0% ±6.4 pts | 57.8% |
| Graduate or professional degree (age 25+) | 15.0% ±6.2 pts | 22.0% |
| Lived in the same house a year earlier | 87.2% ±5.3 pts | 89.9% |
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 117.02 earn?
Half of the 1,883 households in Census Tract 117.02 earn less than $85,422 a year (±$7,866), against $83,576 across Polk County: 47th highest of the county's 109 tracts with a reliable estimate. 6.7% of residents live below the poverty line.
| Measure | Tract 117.02 | Johnston |
|---|---|---|
| Median household income | $85,422 ±$7,866 | $106,551 |
| Mean household income | $100,064 ±$9,529 | $150,204 |
| Per capita income | $43,807 ±$5,615 | $57,529 |
| People below the poverty line | 6.7% ±3.2 pts | 10.2% |
| Children under 18 below the poverty line | 1.6% ±2.2 pts | 18.0% |
| Households receiving SNAP | 5.7% ±4.2 pts | 6.8% |
| Households with a computer | 99.1% ±1.1 pts | 97.0% |
| Households with a broadband subscription | 91.5% ±4.3 pts | 93.2% |
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 117.02?
Owners occupy 55.2% of Census Tract 117.02's occupied homes and renters 44.8%. The median owner-occupied home is valued at $302,200 by its owner (±$33,293). The median renter pays $1,368 a month including utilities, and 28.4% of renters pay 35% or more of their income on rent.
| Measure | Tract 117.02 | Johnston |
|---|---|---|
| Median home value (owner-occupied) | $302,200 ±$33,293 | $369,100 |
| Median gross rent | $1,368 ±$63 | $1,338 |
| Renters paying 35% or more of income on rent | 28.4% ±10.5 pts | 40.8% |
| Median monthly owner costs, with a mortgage | $1,843 ±$262 | $2,361 |
| Owner-occupied homes | 55.2% ±8.1 pts | 70.8% |
| Renter-occupied homes | 44.8% ±8.1 pts | 29.2% |
| Housing units | 2,074 ±229 | 9,720 |
| Single-family detached homes | 37.1% ±7.3 pts | 56.4% |
| Mobile homes | 0.0% ±1.2 pts | 0.0% |
| Built 2020 or later | 0.4% ±0.6 pts | 3.3% |
| Built 2010 to 2019 | 24.1% ±7.0 pts | 26.8% |
| Built 1939 or earlier | 0.0% ±1.2 pts | 0.7% |
| Households with no vehicle | 5.6% ±3.5 pts | 2.5% |
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 117.02 get to work?
91.3% of Census Tract 117.02's workers drive alone and 6.0% work from home. The average trip to work takes 19.1 minutes.
| Measure | Tract 117.02 | Johnston |
|---|---|---|
| In the labor force (age 16+) | 65.2% ±4.1 pts | 71.2% |
| Unemployment rate | 2.5% ±2.1 pts | 2.1% |
| Drove alone to work | 91.3% ±4.1 pts | 78.9% |
| Carpooled | 2.6% ±2.6 pts | 5.4% |
| Public transportation | 0.0% ±0.2 pts | 0.0% |
| Walked | 0.0% ±1.2 pts | 0.9% |
| Worked from home | 6.0% ±3.0 pts | 14.0% |
| Mean travel time to work | 19.1 min ±1.6 | 19.7 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 117.02 compare with the other tracts in Polk County?
Among Polk County's tracts with a reliable estimate, Census Tract 117.02 ranks as shown below (1 = highest).
| Measure | In Polk County | In Johnston |
|---|---|---|
| Population | 49th of 111 | 3rd of 6 |
| Residents per square mile | 91st of 112 | 4th of 6 |
| Median household income | 47th of 109 | 5th of 6 |
| Per capita income | 53rd of 111 | 5th of 6 |
| Median home value | 34th of 109 | 5th of 6 |
| Median gross rent | 24th of 107 | 4th of 5 |
| Poverty rate | 56th of 68 | 2nd of 2 |
| Bachelor's degree or higher | 35th of 111 | 5th of 6 |
| Median age | 34th of 111 | 3rd of 6 |
| Owner-occupied share | 88th of 111 | 5th of 6 |
The tracts next to it on Polk County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9.02 | 44th | $89,712±$16,733 · within the margin of this tract |
| Tract 111.12 | 45th | $87,404±$16,933 · within the margin of this tract |
| Tract 39.02 | 46th | $85,899±$7,811 · within the margin of this tract |
| Tract 117.02 | 47th | $85,422±$7,866 |
| Tract 106.02 | 48th | $82,347±$20,239 · within the margin of this tract |
| Tract 30.01 | 49th | $82,313±$17,428 · within the margin of this tract |
| Tract 108.03 | 50th | $82,267±$11,756 · 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 117.02?
1 of the 18 figures for Census Tract 117.02 on this page carries a coefficient of variation over 40% and is 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