Sullivan City, Texas Demographics & Population 2026
During the 2020–2024 ACS period, Sullivan City, Texas had a total population of 3,902, the 501st largest city in Texas, with a median household income of $44,464, which is 43% lower than the state average. The poverty rate is 32.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 43% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (32.1%), well above the national average of 12.4%.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
Sullivan City Quick Facts
How Sullivan City 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 | 3,919 | 3,902 | -0.4% |
| Median household income | $44,286 | $44,464 | +0.4% |
| Median home value | $90,800 | $94,600 | +4.2% |
How Sullivan City 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: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
Sullivan City Rankings in Texas
Explore Texas Rankings
Other Cities in Hidalgo County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| McAllen | 145,385 | $61,579 | 20.0% | $190,400 |
| Edinburg | 104,550 | $59,466 | 26.0% | $189,600 |
| Mission | 87,038 | $60,767 | 19.4% | $175,700 |
| Pharr | 80,333 | $52,814 | 27.6% | $121,900 |
| Weslaco | 42,229 | $59,551 | 23.2% | $140,000 |
| San Juan | 36,149 | $56,562 | 22.4% | $126,700 |
| Alamo | 20,255 | $57,096 | 25.3% | $145,100 |
| Alton | 20,214 | $52,715 | 27.5% | $156,300 |
| Donna | 16,833 | $40,438 | 40.7% | $86,100 |
| Mercedes | 16,733 | $46,904 | 28.6% | $111,800 |
Cities Similar to Sullivan City
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Columbus | 3,860 | $49,418 | $241,700 | 27.8% | 31.5% |
| Dimmitt | 4,107 | $45,875 | $85,100 | 21.8% | 18.1% |
| West Columbia | 3,621 | $43,490 | $140,800 | 17.6% | 14.6% |
| Hebbronville | 4,194 | $42,455 | $136,300 | 15.6% | 32.9% |
| Nash | 4,032 | $50,592 | $156,200 | 19.3% | 13.8% |
Population Overview
Sullivan City is a small community located in Texas, within Hidalgo County. The total population is 3,902. It ranks as the 501st most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in Sullivan City is 33.7 years. This is 5% lower than the state median of 35.6 years. With 29.6% of the population under 18, Sullivan City has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Sullivan City is $44,464. This is 43% lower than the state median of $78,476. It is also 45% lower than the national median of $80,734. The poverty rate stands at 32.1%. This is 133% higher than the state poverty rate of 13.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 7.0%. This is 33% higher than the state rate of 5.3%. The median home value is $94,600. Housing costs are 67% lower than the state median of $283,800. With a home-value-to-income ratio of just 2.1x, Sullivan City is one of the most affordable housing markets in the area. 87.8% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 62.6%.
Race & Ethnicity
Sullivan City has a predominantly Hispanic or Latino population, comprising 97.7% of all residents. The Hispanic or Latino population is significantly higher than the state average (97.7% vs 39.7%).
Education
12.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 62% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 56.9%.
Data Sources & Methodology
All demographic data for Sullivan City, Texas 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 Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. 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 Sullivan City, Texas?
Sullivan City, Texas has a population of 3,902 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sullivan City, TX?
The median household income in Sullivan City is $44,464, which is 45% lower than the national median of $80,734.
What is the poverty rate in Sullivan City, TX?
The poverty rate in Sullivan City is 32.1%. This means approximately 1,252 residents live below the federal poverty line.
What is the racial makeup of Sullivan City, Texas?
Sullivan City's population is 0.0% White, 0.0% Black, 97.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Sullivan City, TX?
The median home value in Sullivan City is $94,600. The home-value-to-income ratio is 2.1x.
How educated is Sullivan City, Texas?
12.7% of adults (25+) in Sullivan City hold a bachelor's degree or higher, and 3.2% hold a graduate or professional degree.