City Profile
Oeiras, Piauí
Brazil · Comprehensive city data and intelligence
Oeiras is the oldest municipality in the state of Piauí, Brazil, founded in 1717 and serving as its first capital until 1852. Steeped in colonial history, the city features well-preserved Baroque architecture, historic churches, and cultural landmarks that reflect its rich heritage in Brazil's northeastern interior. Today, it functions as a vital regional hub for commerce, education, and public administration, attracting residents with its blend of historical charm and growing municipal services.
Piauí, located in Brazil's Northeast Region, is characterized by diverse landscapes, from a short Atlantic coastline to inland plateaus and dry shrublands. The state's economy, while one of the poorest in Brazil, is growing, with major industries including agribusiness, alternative energy, and healthcare, alongside traditional livestock raising and the production of essential oils, soybeans, and cotton. The climate is generally hot, with variations between humid lowlands and drier uplands. Living costs in cities like the capital, Teresina, are relatively low, with the average cost of living being around $592 per month, and the lifestyle is often described as warm and culturally rich, with a focus on music, dance, and local festivals.
How this 61/100 was calculated five components, with every reading behind them
| Component | Readings used | Points | Weight | Contributes |
|---|---|---|---|---|
| Safety | Safety score: 70 / 100 | 70.0 | 30% | 21.0 |
| Affordability | Cost of living index (100 = national baseline): 42.0 | 100.0 | 25% | 25.0 |
| Economy & jobs | Median household income: $7,200 Income needed to live here: no usable reading Unemployment rate: 8.5% | 18.8 | 20% | 3.8 |
| Growth | Population growth rate: 0.4% Job growth rate: 1.1% | 38.5 | 15% | 5.8 |
| Business climate assessment | Business climate assessment: 55 / 100 | 55.0 | 10% | 5.5 |
| Overall score | 61.0 | |||
Provenance.
These figures were produced by the research pass recorded as
Tier 1 (fast) (q=52, partial — below threshold), last refreshed
16 October 2026.
They are researched estimates drawn from public sources, not a licensed data feed.
Each component is scored against fixed published endpoints, so this number is comparable with any other city and does not move as the dataset grows. Scoring framework 2026.10 — full methodology, weights and accepted ranges.
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Cost of Living
The cost of living in Oeiras is significantly lower than major Brazilian metropolitan areas and well below the U.S. average, aligning closely with the broader economic conditions of interior Piauí. Essential goods, local produce, and housing remain affordable, though imported goods and specialized services carry standard regional markups. Utilities and transportation costs are manageable, making it an economical choice for retirees and public sector workers.
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The local economy of Oeiras is primarily driven by public administration, education, healthcare, and regional agriculture and livestock production. Small-scale commerce and retail also play a substantial role in employing the local workforce, serving surrounding rural communities. While high-paying corporate tech jobs are scarce, remote work adoption and public sector employment provide steady economic baselines.
The average salary in Oeiras is $650 per year. You would need approximately $550 to live comfortably.
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Most residents get around Oeiras on foot, by bicycle, or via local mototaxis and cars, given the manageable scale of the city. Public bus networks connect nearby districts, though personal vehicle ownership is common for regional travel. Traffic congestion is minimal outside of peak hours around the commercial center.
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