Knierim, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Knierim, Iowa had a total population of 76, the 895th largest city in Iowa, with a median household income of $89,000, which is 19% higher than the state average. The poverty rate is 6.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 54.4% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Housing is very affordable with a home-value-to-income ratio of just 1.3x.
Knierim Quick Facts
How Knierim Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 83 | 76 | -8.4% |
| Median household income | $85,313 | $89,000 | +4.3% |
How Knierim Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
Knierim Rankings in Iowa
Explore Iowa Rankings
Other Cities in Calhoun County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Rockwell City | 2,401 | $56,741 | 10.4% | $88,500 |
| Lake City | 1,693 | $74,167 | 10.9% | $100,900 |
| Manson | 1,645 | $66,250 | 8.9% | $116,900 |
| Twin Lakes | 579 | $109,712 | 4.0% | $561,500 |
| Pomeroy | 542 | $53,542 | 13.1% | $70,200 |
| Lytton | 357 | $62,708 | 7.6% | $65,600 |
| Lohrville | 277 | $46,250 | 14.1% | $52,100 |
| Somers | 149 | $52,750 | 33.6% | $75,600 |
| Rinard | 62 | $69,375 | 19.4% | $55,000 |
| Jolley | 19 | N/A | 52.6% | N/A |
Cities Similar to Knierim
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Trenton | 75 | N/A | N/A | 0.0% | 0.0% |
| Leando | 74 | N/A | N/A | N/A | 13.5% |
| St. Olaf | 76 | $98,125 | $84,000 | 12.5% | 8.1% |
| Zwingle | 76 | $78,750 | $175,000 | 1.8% | 38.2% |
| Unionville | 78 | $82,813 | $95,000 | 7.7% | 5.1% |
A note before these figures: with a population of 76, Knierim's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Knierim is a small community located in Iowa, within Calhoun County. The total population is 76. It ranks as the 895th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Knierim is 49.3 years. This is 28% higher than the state median of 38.6 years. With 32.9% of the population under 18, Knierim has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Knierim is $89,000. This is 19% higher than the state median of $75,059. It is also 10% higher than the national median of $80,734. The poverty rate stands at 6.6%. This is 41% lower than the state poverty rate of 11.1%. The unemployment rate is 6.7%. This is 86% higher than the state rate of 3.6%. The median home value is $112,500. Housing costs are 46% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.3x, Knierim is one of the most affordable housing markets in the area. 88.5% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 71.7%.
Race & Ethnicity
Knierim has a predominantly White (non-Hispanic) population, comprising 97.4% of all residents.
Education
54.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Knierim in the top 10% of all cities in the state for educational attainment. This is 73% higher than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 32.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Knierim, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Knierim, Iowa?
Knierim, Iowa has a population of 76 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Knierim, IA?
The median household income in Knierim is $89,000, which is 10% higher than the national median of $80,734.
What is the poverty rate in Knierim, IA?
The poverty rate in Knierim is 6.6%. This means approximately 5 residents live below the federal poverty line.
What is the racial makeup of Knierim, Iowa?
Knierim's population is 97.4% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Knierim, IA?
The median home value in Knierim is $112,500. The home-value-to-income ratio is 1.3x.
How educated is Knierim, Iowa?
54.4% of adults (25+) in Knierim hold a bachelor's degree or higher, and 32.6% hold a graduate or professional degree.