Spain's regional cost differences are smaller than people assume and its regional tax differences are larger. Both matter, and the second one is the part with no equivalent back home.
By city
| Madrid | Barcelona | Valencia | Seville | |
|---|---|---|---|---|
| 1-bed rental | €1,000–1,500 | €1,100–1,600 | €700–1,000 | €650–950 |
| Utilities | €100–170 | €100–170 | €90–150 | €90–160 |
| Groceries, couple | €350–450 | €350–450 | €320–420 | €300–400 |
| Menú del día | €13–18 | €13–18 | €11–15 | €10–14 |
| Couple, monthly | €2,400–3,200 | €2,500–3,300 | €1,800–2,400 | €1,700–2,300 |
Valencia has become the value recommendation and deserves it: a third cheaper than Madrid, a beach, a comparable climate, and a large enough international community that you are not isolated.
Seville is cheaper again but the summer is severe — regularly over 40°C in July and August, which is a genuine quality-of-life factor rather than a footnote.
The taxes with no US equivalent
This is where Spain differs from what most arrivals model.
Wealth tax. Levied on net worth above a threshold, at rates and allowances set by each autonomous community. Madrid has historically applied a full regional rebate; other regions levy it in full. There is also a national solidarity tax on large fortunes.
Because it is regional, where in Spain you live changes your tax bill independently of your income. This is unusual and it is why wealthier arrivals concentrate in Madrid.
Modelo 720. An annual declaration of foreign assets where holdings in any category — accounts, securities, property — exceed €50,000. The penalty regime was formerly severe enough that the EU Court of Justice struck it down, and while it has been softened, the filing obligation remains and people miss it.
Income tax is progressive and reaches the high 40s in most regions. Spain is not a low-tax country, and arrivals coming for the lifestyle should model that rather than assuming southern Europe means cheap.
Americans additionally keep filing US returns and FBAR wherever they live.
Healthcare
Private insurance with no copayments is a requirement for the non-lucrative and digital nomad visas — expect €50–200 a month depending on age, from Sanitas, Adeslas or DKV.
Once you hold residency and are registered, the public system is excellent and effectively free at the point of use. Most people keep private cover alongside it for faster specialist access, which is the same pattern as Portugal.
What is cheap and what is not
Cheap: the menú del día, which is a three-course weekday lunch with a drink for €10–18 and the best value meal in Europe. Wine. Fresh produce from a municipal market. Public transport — a Madrid monthly pass is around €55, less for under-26s and over-65s.
Not cheap: electricity, which is high per unit and matters in Andalusian summers with air conditioning. Cars and fuel. Anything imported. And rent in central Madrid or Barcelona, where the same local frustration about foreign demand exists as in Lisbon.
The practical conclusion
If your income is fixed and you want it to go furthest: Valencia, Málaga, Seville or a smaller city, and check the wealth tax position of the autonomous community before signing anything. The income thresholds for visas are national, so a given income stretches dramatically further outside the two big cities.