Census tract · Cerro Gordo County
Census Tract 9516, Cerro Gordo County, Iowa
Census Tract 9516, GEOID 19033951600, in Cerro Gordo County, Iowa, entirely within Mason City. 4,317 residents in the ACS 2020-2024 5-year estimates (±643); the 2020 Census counted 4,502.
Residents, 2020-2024
4,317
±643 (90% margin)
2020 Census count: 4,502
Median household income
$67,968
±$4,408 (90% margin)
Cerro Gordo County: $68,189
Median home value
$160,600
±$10,338 (90% margin)
Cerro Gordo County: $166,400
Median gross rent
$936
±$131 (90% margin)
Cerro Gordo County: $850
Where is Census Tract 9516?
Census Tract 9516 is one of 12 census tracts in Cerro Gordo County, Iowa. It covers 1.44 square miles of land, 3,131 residents per square mile in 2020. Its GEOID, 19033951600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mason City | 100% |
3 census tracts border Census Tract 9516: Tract 9501.02 ($53,684), Tract 9504.02 ($55,417) and Tract 9514 ($103,750). 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 9516?
The 2020-2024 American Community Survey puts Census Tract 9516's population at 4,317 (±643) in 1,962 households; the 2020 Census counted 4,502 residents and 2,242 housing units.
| Measure | Tract 9516 | Mason City |
|---|---|---|
| Total population | 4,317 ±643 | 27,050 |
| Households | 1,962 ±238 | 12,698 |
| Average household size | 2.16 ±0.17 | 2.07 |
| Housing units | 2,115 ±200 | 14,240 |
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 9516?
The median resident of Census Tract 9516 is 44.4 years old; 22.3% are under 18 and 24.7% are 65 or older. The largest group is non-Hispanic white residents at 86.6%, then Hispanic or Latino residents (of any race) at 5.2%. 3.5% of residents were born outside the United States.
| Measure | Tract 9516 | Mason City |
|---|---|---|
| Median age | 44.4 ±12.0 | 42.5 |
| Under 18 years | 22.3% ±5.3 pts | 20.4% |
| 65 years and over | 24.7% ±4.8 pts | 23.0% |
| Hispanic or Latino (any race) | 5.2% ±3.8 pts | 7.0% |
| White alone, not Hispanic | 86.6% ±5.6 pts | 84.9% |
| Black or African American alone, not Hispanic | 1.8% ±2.9 pts | 2.9% |
| Asian alone, not Hispanic | 0.6% ±0.5 pts | 1.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.6 pts | 0.3% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 3.3% ±2.8 pts | 1.0% |
| Two or more races, not Hispanic | 2.5% ±2.6 pts | 2.6% |
| Some other race alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Born outside the United States | 3.5% ±2.2 pts | 3.3% |
| Speak a language other than English at home (age 5+) | 4.4% ±2.4 pts | 4.8% |
| Civilian veterans (age 18+) | 10.5% ±3.9 pts | 8.7% |
| With a disability | 14.0% ±4.9 pts | 14.3% |
| No health insurance coverage | 3.4% ±2.3 pts | 5.6% |
| High school graduate or higher (age 25+) | 92.1% ±3.7 pts | 93.6% |
| Bachelor's degree or higher (age 25+) | 25.5% ±8.9 pts | 20.8% |
| Graduate or professional degree (age 25+) | 9.6% ±6.9 pts | 7.3% |
| Lived in the same house a year earlier | 93.7% ±4.2 pts | 86.7% |
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 9516 earn?
Half of the 1,962 households in Census Tract 9516 earn less than $67,968 a year (±$4,408), against $68,189 across Cerro Gordo County: 6th highest of the county's 12 tracts with a reliable estimate. 10.9% of residents live below the poverty line.
| Measure | Tract 9516 | Mason City |
|---|---|---|
| Median household income | $67,968 ±$4,408 | $64,804 |
| Mean household income | $81,174 ±$10,511 | $81,218 |
| Per capita income | $36,494 ±$5,029 | $37,494 |
| People below the poverty line | 10.9% ±5.5 pts | 12.0% |
| Children under 18 below the poverty line | 21.2% ±14.6 pts | 17.7% |
| Households receiving SNAP | 5.9% ±4.1 pts | 10.0% |
| Households with a computer | 97.6% ±2.8 pts | 95.8% |
| Households with a broadband subscription | 90.7% ±5.2 pts | 89.0% |
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 9516?
Owners occupy 65.2% of Census Tract 9516's occupied homes and renters 34.8%. The median owner-occupied home is valued at $160,600 by its owner (±$10,338). The median renter pays $936 a month including utilities.
| Measure | Tract 9516 | Mason City |
|---|---|---|
| Median home value (owner-occupied) | $160,600 ±$10,338 | $142,000 |
| Median gross rent | $936 ±$131 | $882 |
| Renters paying 35% or more of income on rent | 4.2% ±7.1 pts | 31.3% |
| Median monthly owner costs, with a mortgage | $1,329 ±$104 | $1,236 |
| Owner-occupied homes | 65.2% ±8.7 pts | 65.5% |
| Renter-occupied homes | 34.8% ±8.7 pts | 34.5% |
| Housing units | 2,115 ±200 | 14,240 |
| Single-family detached homes | 82.6% ±6.7 pts | 75.8% |
| Mobile homes | 0.0% ±1.2 pts | 1.5% |
| Built 2020 or later | 0.0% ±1.2 pts | 0.7% |
| Built 2010 to 2019 | 0.0% ±1.2 pts | 3.5% |
| Built 1939 or earlier | 21.7% ±8.6 pts | 30.0% |
| Households with no vehicle | 2.8% ±2.5 pts | 5.5% |
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 9516 get to work?
77.4% of Census Tract 9516's workers drive alone. The average trip to work takes 14.7 minutes.
| Measure | Tract 9516 | Mason City |
|---|---|---|
| In the labor force (age 16+) | 61.6% ±7.1 pts | 63.5% |
| Unemployment rate | 6.1% ±5.8 pts | 2.8% |
| Drove alone to work | 77.4% ±8.2 pts | 81.0% |
| Carpooled | 8.7% ±4.2 pts | 8.6% |
| Public transportation | 0.0% ±1.3 pts | 0.9% |
| Walked | 8.7% ±7.0 pts | 4.2% |
| Worked from home | 4.8% ±3.6 pts | 4.3% |
| Mean travel time to work | 14.7 min ±3.9 | 13.5 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 9516 compare with the other tracts in Cerro Gordo County?
Among Cerro Gordo County's tracts with a reliable estimate, Census Tract 9516 ranks as shown below (1 = highest).
| Measure | In Cerro Gordo County | In Mason City |
|---|---|---|
| Population | 2nd of 12 | 1st of 7 |
| Residents per square mile | 1st of 12 | 1st of 7 |
| Median household income | 6th of 12 | 2nd of 7 |
| Per capita income | 7th of 12 | 3rd of 7 |
| Median home value | 7th of 12 | 3rd of 7 |
| Median gross rent | 3rd of 11 | 3rd of 7 |
| Poverty rate | 6th of 10 | 4th of 6 |
| Bachelor's degree or higher | 6th of 12 | 2nd of 7 |
| Median age | 6th of 12 | 3rd of 7 |
| Owner-occupied share | 9th of 12 | 4th of 7 |
The tracts next to it on Cerro Gordo County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 9506 | 3rd | $96,350±$13,496 |
| Tract 9507 | 4th | $78,398±$6,050 |
| Tract 9508 | 5th | $73,580±$24,318 · within the margin of this tract |
| Tract 9516 | 6th | $67,968±$4,408 |
| Tract 9502.01 | 7th | $67,893±$9,492 · within the margin of this tract |
| Tract 9502.02 | 8th | $67,791±$9,397 · within the margin of this tract |
| Tract 9510 | 9th | $63,563±$7,851 · 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 9516?
4 of the 18 figures for Census Tract 9516 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