Monticello, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Monticello, Iowa had a total population of 4,071, the 102nd largest city in Iowa, with a median household income of $70,015, which is 7% lower than the state average. The poverty rate is 5.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 0.9%.
Monticello Quick Facts
How Monticello 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 | 4,055 | 4,071 | +0.4% |
| Median household income | $67,788 | $70,015 | +3.3% |
| Median home value | $160,500 | $175,200 | +9.2% |
How Monticello 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+)
Monticello Rankings in Iowa
Explore Iowa Rankings
Other Cities in Jones County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Anamosa | 5,629 | $60,650 | 18.5% | $172,600 |
| Olin | 830 | $51,932 | 20.0% | $108,500 |
| Wyoming | 525 | $73,000 | 12.8% | $105,700 |
| Oxford Junction | 461 | $37,969 | 15.0% | $72,500 |
| Martelle | 457 | $93,333 | 13.1% | $134,400 |
| Onslow | 284 | $65,313 | 29.2% | $100,000 |
| Stone City | 154 | $179,167 | 0.0% | $535,700 |
| Center Junction | 126 | $26,528 | 0.0% | $58,900 |
| Morley | 46 | $37,188 | 30.4% | $83,800 |
Cities Similar to Monticello
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rock Valley | 4,059 | $76,250 | $231,200 | 16.6% | 9.3% |
| Forest City | 4,290 | $69,205 | $143,500 | 29.2% | 12.4% |
| West Liberty | 3,776 | $69,345 | $180,000 | 16.2% | 11.3% |
| Jefferson | 4,152 | $58,895 | $155,800 | 21.1% | 7.3% |
| Albia | 3,663 | $70,455 | $130,300 | 24.7% | 14.6% |
Population Overview
Monticello is a small community located in Iowa, within Jones County. The total population is 4,071. It ranks as the 102nd most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Monticello is 42.6 years. This is 10% higher than the state median of 38.6 years. 11.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Monticello is $70,015. This is 7% lower than the state median of $75,059. It is also 13% lower than the national median of $80,734. The poverty rate stands at 5.9%. This is 46% lower than the state poverty rate of 11.1%. The unemployment rate is 0.9%. This is 76% lower than the state rate of 3.6%. The median home value is $175,200. Housing costs are 16% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.5x, Monticello is one of the most affordable housing markets in the area. 71.1% of occupied housing units are owner-occupied.
Race & Ethnicity
Monticello has a predominantly White (non-Hispanic) population, comprising 92.2% of all residents. Hispanic or Latino residents account for 2.9%. The Hispanic or Latino population (2.9%) is well below the state average of 7.3%. The Asian population (1.1%) is well below the state average of 2.5%.
Education
19.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%.
Data Sources & Methodology
All demographic data for Monticello, 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 Monticello, Iowa?
Monticello, Iowa has a population of 4,071 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Monticello, IA?
The median household income in Monticello is $70,015, which is 13% lower than the national median of $80,734.
What is the poverty rate in Monticello, IA?
The poverty rate in Monticello is 5.9%. This means approximately 238 residents live below the federal poverty line.
What is the racial makeup of Monticello, Iowa?
Monticello's population is 92.2% White, 1.9% Black, 2.9% Hispanic/Latino, and 1.1% Asian.
What is the median home value in Monticello, IA?
The median home value in Monticello is $175,200. The home-value-to-income ratio is 2.5x.
How educated is Monticello, Iowa?
19.7% of adults (25+) in Monticello hold a bachelor's degree or higher, and 6.2% hold a graduate or professional degree.